diff options
Diffstat (limited to 'drivers')
141 files changed, 1514 insertions, 797 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 3e751b7..a5a3ebc 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -59,15 +59,16 @@ config ATA_ACPI option libata.noacpi=1 config SATA_ZPODD - bool "SATA Zero Power ODD Support" + bool "SATA Zero Power Optical Disc Drive (ZPODD) support" depends on ATA_ACPI default n help - This option adds support for SATA ZPODD. It requires both - ODD and the platform support, and if enabled, will automatically - power on/off the ODD when certain condition is satisfied. This - does not impact user's experience of the ODD, only power is saved - when ODD is not in use(i.e. no disc inside). + This option adds support for SATA Zero Power Optical Disc + Drive (ZPODD). It requires both the ODD and the platform + support, and if enabled, will automatically power on/off the + ODD when certain condition is satisfied. This does not impact + end user's experience of the ODD, only power is saved when + the ODD is not in use (i.e. no disc inside). If unsure, say N. diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index a99112c..6a67b07 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -281,6 +281,8 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x1f37), board_ahci }, /* Avoton RAID */ { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci }, /* Avoton RAID */ { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci }, /* Avoton RAID */ + { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */ + { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */ { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */ { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */ { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */ diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index d2ba439..ffdd32d 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -1547,6 +1547,10 @@ static bool piix_broken_system_poweroff(struct pci_dev *pdev) static int prefer_ms_hyperv = 1; module_param(prefer_ms_hyperv, int, 0); +MODULE_PARM_DESC(prefer_ms_hyperv, + "Prefer Hyper-V paravirtualization drivers instead of ATA, " + "0 - Use ATA drivers, " + "1 (Default) - Use the paravirtualization drivers."); static void piix_ignore_devices_quirk(struct ata_host *host) { diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index beea311..8a52dab 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -1027,7 +1027,7 @@ static void ata_acpi_register_power_resource(struct ata_device *dev) handle = ata_dev_acpi_handle(dev); if (handle) - acpi_dev_pm_remove_dependent(handle, &sdev->sdev_gendev); + acpi_dev_pm_add_dependent(handle, &sdev->sdev_gendev); } static void ata_acpi_unregister_power_resource(struct ata_device *dev) diff --git a/drivers/ata/pata_samsung_cf.c b/drivers/ata/pata_samsung_cf.c index 70b0e01..6ef27e9 100644 --- a/drivers/ata/pata_samsung_cf.c +++ b/drivers/ata/pata_samsung_cf.c @@ -661,18 +661,7 @@ static struct platform_driver pata_s3c_driver = { }, }; -static int __init pata_s3c_init(void) -{ - return platform_driver_probe(&pata_s3c_driver, pata_s3c_probe); -} - -static void __exit pata_s3c_exit(void) -{ - platform_driver_unregister(&pata_s3c_driver); -} - -module_init(pata_s3c_init); -module_exit(pata_s3c_exit); +module_platform_driver_probe(pata_s3c_driver, pata_s3c_probe); MODULE_AUTHOR("Abhilash Kesavan, <a.kesavan@samsung.com>"); MODULE_DESCRIPTION("low-level driver for Samsung PATA controller"); diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 124b2c1..608f82f 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -1511,8 +1511,7 @@ error_exit_with_cleanup: if (hcr_base) iounmap(hcr_base); - if (host_priv) - kfree(host_priv); + kfree(host_priv); return retval; } diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c index 07fb2df..9dcefe4 100644 --- a/drivers/block/nvme.c +++ b/drivers/block/nvme.c @@ -135,6 +135,7 @@ static inline void _nvme_check_size(void) BUILD_BUG_ON(sizeof(struct nvme_id_ctrl) != 4096); BUILD_BUG_ON(sizeof(struct nvme_id_ns) != 4096); BUILD_BUG_ON(sizeof(struct nvme_lba_range_type) != 64); + BUILD_BUG_ON(sizeof(struct nvme_smart_log) != 512); } typedef void (*nvme_completion_fn)(struct nvme_dev *, void *, @@ -237,7 +238,8 @@ static void *free_cmdid(struct nvme_queue *nvmeq, int cmdid, *fn = special_completion; return CMD_CTX_INVALID; } - *fn = info[cmdid].fn; + if (fn) + *fn = info[cmdid].fn; ctx = info[cmdid].ctx; info[cmdid].fn = special_completion; info[cmdid].ctx = CMD_CTX_COMPLETED; @@ -335,6 +337,7 @@ nvme_alloc_iod(unsigned nseg, unsigned nbytes, gfp_t gfp) iod->offset = offsetof(struct nvme_iod, sg[nseg]); iod->npages = -1; iod->length = nbytes; + iod->nents = 0; } return iod; @@ -375,7 +378,8 @@ static void bio_completion(struct nvme_dev *dev, void *ctx, struct bio *bio = iod->private; u16 status = le16_to_cpup(&cqe->status) >> 1; - dma_unmap_sg(&dev->pci_dev->dev, iod->sg, iod->nents, + if (iod->nents) + dma_unmap_sg(&dev->pci_dev->dev, iod->sg, iod->nents, bio_data_dir(bio) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); nvme_free_iod(dev, iod); if (status) { @@ -589,7 +593,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns, result = nvme_map_bio(nvmeq->q_dmadev, iod, bio, dma_dir, psegs); if (result < 0) - goto free_iod; + goto free_cmdid; length = result; cmnd->rw.command_id = cmdid; @@ -609,6 +613,8 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns, return 0; + free_cmdid: + free_cmdid(nvmeq, cmdid, NULL); free_iod: nvme_free_iod(nvmeq->dev, iod); nomem: @@ -835,8 +841,8 @@ static int nvme_identify(struct nvme_dev *dev, unsigned nsid, unsigned cns, return nvme_submit_admin_cmd(dev, &c, NULL); } -static int nvme_get_features(struct nvme_dev *dev, unsigned fid, - unsigned nsid, dma_addr_t dma_addr) +static int nvme_get_features(struct nvme_dev *dev, unsigned fid, unsigned nsid, + dma_addr_t dma_addr, u32 *result) { struct nvme_command c; @@ -846,7 +852,7 @@ static int nvme_get_features(struct nvme_dev *dev, unsigned fid, c.features.prp1 = cpu_to_le64(dma_addr); c.features.fid = cpu_to_le32(fid); - return nvme_submit_admin_cmd(dev, &c, NULL); + return nvme_submit_admin_cmd(dev, &c, result); } static int nvme_set_features(struct nvme_dev *dev, unsigned fid, @@ -906,6 +912,10 @@ static void nvme_free_queue(struct nvme_dev *dev, int qid) spin_lock_irq(&nvmeq->q_lock); nvme_cancel_ios(nvmeq, false); + while (bio_list_peek(&nvmeq->sq_cong)) { + struct bio *bio = bio_list_pop(&nvmeq->sq_cong); + bio_endio(bio, -EIO); + } spin_unlock_irq(&nvmeq->q_lock); irq_set_affinity_hint(vector, NULL); @@ -1230,12 +1240,17 @@ static int nvme_user_admin_cmd(struct nvme_dev *dev, if (length != cmd.data_len) status = -ENOMEM; else - status = nvme_submit_admin_cmd(dev, &c, NULL); + status = nvme_submit_admin_cmd(dev, &c, &cmd.result); if (cmd.data_len) { nvme_unmap_user_pages(dev, cmd.opcode & 1, iod); nvme_free_iod(dev, iod); } + + if (!status && copy_to_user(&ucmd->result, &cmd.result, + sizeof(cmd.result))) + status = -EFAULT; + return status; } @@ -1523,9 +1538,9 @@ static int nvme_dev_add(struct nvme_dev *dev) continue; res = nvme_get_features(dev, NVME_FEAT_LBA_RANGE, i, - dma_addr + 4096); + dma_addr + 4096, NULL); if (res) - continue; + memset(mem + 4096, 0, 4096); ns = nvme_alloc_ns(dev, i, mem, mem + 4096); if (ns) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 910b011..e1d13c4 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -2048,12 +2048,18 @@ static int init_csrows(struct mem_ctl_info *mci) edac_dbg(1, "MC node: %d, csrow: %d\n", pvt->mc_node_id, i); - if (row_dct0) + if (row_dct0) { nr_pages = amd64_csrow_nr_pages(pvt, 0, i); + csrow->channels[0]->dimm->nr_pages = nr_pages; + } /* K8 has only one DCT */ - if (boot_cpu_data.x86 != 0xf && row_dct1) - nr_pages += amd64_csrow_nr_pages(pvt, 1, i); + if (boot_cpu_data.x86 != 0xf && row_dct1) { + int row_dct1_pages = amd64_csrow_nr_pages(pvt, 1, i); + + csrow->channels[1]->dimm->nr_pages = row_dct1_pages; + nr_pages += row_dct1_pages; + } mtype = amd64_determine_memory_type(pvt, i); @@ -2072,9 +2078,7 @@ static int init_csrows(struct mem_ctl_info *mci) dimm = csrow->channels[j]->dimm; dimm->mtype = mtype; dimm->edac_mode = edac_mode; - dimm->nr_pages = nr_pages; } - csrow->nr_pages = nr_pages; } return empty; @@ -2419,7 +2423,6 @@ static int amd64_init_one_instance(struct pci_dev *F2) mci->pvt_info = pvt; mci->pdev = &pvt->F2->dev; - mci->csbased = 1; setup_mci_misc_attrs(mci, fam_type); diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index cdb81aa..27e86d9 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -86,7 +86,7 @@ static void edac_mc_dump_dimm(struct dimm_info *dimm, int number) edac_dimm_info_location(dimm, location, sizeof(location)); edac_dbg(4, "%s%i: %smapped as virtual row %d, chan %d\n", - dimm->mci->mem_is_per_rank ? "rank" : "dimm", + dimm->mci->csbased ? "rank" : "dimm", number, location, dimm->csrow, dimm->cschannel); edac_dbg(4, " dimm = %p\n", dimm); edac_dbg(4, " dimm->label = '%s'\n", dimm->label); @@ -341,7 +341,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num, memcpy(mci->layers, layers, sizeof(*layer) * n_layers); mci->nr_csrows = tot_csrows; mci->num_cschannel = tot_channels; - mci->mem_is_per_rank = per_rank; + mci->csbased = per_rank; /* * Alocate and fill the csrow/channels structs @@ -1235,7 +1235,7 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type, * incrementing the compat API counters */ edac_dbg(4, "%s csrows map: (%d,%d)\n", - mci->mem_is_per_rank ? "rank" : "dimm", + mci->csbased ? "rank" : "dimm", dimm->csrow, dimm->cschannel); if (row == -1) row = dimm->csrow; diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 4f4b613..5899a76 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -143,7 +143,7 @@ static const char *edac_caps[] = { * and the per-dimm/per-rank one */ #define DEVICE_ATTR_LEGACY(_name, _mode, _show, _store) \ - struct device_attribute dev_attr_legacy_##_name = __ATTR(_name, _mode, _show, _store) + static struct device_attribute dev_attr_legacy_##_name = __ATTR(_name, _mode, _show, _store) struct dev_ch_attribute { struct device_attribute attr; @@ -180,9 +180,6 @@ static ssize_t csrow_size_show(struct device *dev, int i; u32 nr_pages = 0; - if (csrow->mci->csbased) - return sprintf(data, "%u\n", PAGES_TO_MiB(csrow->nr_pages)); - for (i = 0; i < csrow->nr_channels; i++) nr_pages += csrow->channels[i]->dimm->nr_pages; return sprintf(data, "%u\n", PAGES_TO_MiB(nr_pages)); @@ -612,7 +609,7 @@ static int edac_create_dimm_object(struct mem_ctl_info *mci, device_initialize(&dimm->dev); dimm->dev.parent = &mci->dev; - if (mci->mem_is_per_rank) + if (mci->csbased) dev_set_name(&dimm->dev, "rank%d", index); else dev_set_name(&dimm->dev, "dimm%d", index); @@ -778,14 +775,10 @@ static ssize_t mci_size_mb_show(struct device *dev, for (csrow_idx = 0; csrow_idx < mci->nr_csrows; csrow_idx++) { struct csrow_info *csrow = mci->csrows[csrow_idx]; - if (csrow->mci->csbased) { - total_pages += csrow->nr_pages; - } else { - for (j = 0; j < csrow->nr_channels; j++) { - struct dimm_info *dimm = csrow->channels[j]->dimm; + for (j = 0; j < csrow->nr_channels; j++) { + struct dimm_info *dimm = csrow->channels[j]->dimm; - total_pages += dimm->nr_pages; - } + total_pages += dimm->nr_pages; } } diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index 9b00072..42c759a 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -53,6 +53,24 @@ config EFI_VARS Subsequent efibootmgr releases may be found at: <http://linux.dell.com/efibootmgr> +config EFI_VARS_PSTORE + bool "Register efivars backend for pstore" + depends on EFI_VARS && PSTORE + default y + help + Say Y here to enable use efivars as a backend to pstore. This + will allow writing console messages, crash dumps, or anything + else supported by pstore to EFI variables. + +config EFI_VARS_PSTORE_DEFAULT_DISABLE + bool "Disable using efivars as a pstore backend by default" + depends on EFI_VARS_PSTORE + default n + help + Saying Y here will disable the use of efivars as a storage + backend for pstore by default. This setting can be overridden + using the efivars module's pstore_disable parameter. + config EFI_PCDP bool "Console device selection via EFI PCDP or HCDP table" depends on ACPI && EFI && IA64 diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index fe62aa3..7acafb8 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -103,6 +103,11 @@ MODULE_VERSION(EFIVARS_VERSION); */ #define GUID_LEN 36 +static bool efivars_pstore_disable = + IS_ENABLED(CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE); + +module_param_named(pstore_disable, efivars_pstore_disable, bool, 0644); + /* * The maximum size of VariableName + Data = 1024 * Therefore, it's reasonable to save that much @@ -165,6 +170,7 @@ efivar_create_sysfs_entry(struct efivars *efivars, static void efivar_update_sysfs_entries(struct work_struct *); static DECLARE_WORK(efivar_work, efivar_update_sysfs_entries); +static bool efivar_wq_enabled = true; /* Return the number of unicode characters in data */ static unsigned long @@ -1309,9 +1315,7 @@ static const struct inode_operations efivarfs_dir_inode_operations = { .create = efivarfs_create, }; -static struct pstore_info efi_pstore_info; - -#ifdef CONFIG_PSTORE +#ifdef CONFIG_EFI_VARS_PSTORE static int efi_pstore_open(struct pstore_info *psi) { @@ -1441,7 +1445,7 @@ static int efi_pstore_write(enum pstore_type_id type, spin_unlock_irqrestore(&efivars->lock, flags); - if (reason == KMSG_DUMP_OOPS) + if (reason == KMSG_DUMP_OOPS && efivar_wq_enabled) schedule_work(&efivar_work); *id = part; @@ -1514,38 +1518,6 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count, return 0; } -#else -static int efi_pstore_open(struct pstore_info *psi) -{ - return 0; -} - -static int efi_pstore_close(struct pstore_info *psi) -{ - return 0; -} - -static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type, int *count, - struct timespec *timespec, - char **buf, struct pstore_info *psi) -{ - return -1; -} - -static int efi_pstore_write(enum pstore_type_id type, - enum kmsg_dump_reason reason, u64 *id, - unsigned int part, int count, size_t size, - struct pstore_info *psi) -{ - return 0; -} - -static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count, - struct timespec time, struct pstore_info *psi) -{ - return 0; -} -#endif static struct pstore_info efi_pstore_info = { .owner = THIS_MODULE, @@ -1557,6 +1529,24 @@ static struct pstore_info efi_pstore_info = { .erase = efi_pstore_erase, }; +static void efivar_pstore_register(struct efivars *efivars) +{ + efivars->efi_pstore_info = efi_pstore_info; + efivars->efi_pstore_info.buf = kmalloc(4096, GFP_KERNEL); + if (efivars->efi_pstore_info.buf) { + efivars->efi_pstore_info.bufsize = 1024; + efivars->efi_pstore_info.data = efivars; + spin_lock_init(&efivars->efi_pstore_info.buf_lock); + pstore_register(&efivars->efi_pstore_info); + } +} +#else +static void efivar_pstore_register(struct efivars *efivars) +{ + return; +} +#endif + static ssize_t efivar_create(struct file *filp, struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t pos, size_t count) @@ -1716,6 +1706,31 @@ static bool variable_is_present(efi_char16_t *variable_name, efi_guid_t *vendor) return found; } +/* + * Returns the size of variable_name, in bytes, including the + * terminating NULL character, or variable_name_size if no NULL + * character is found among the first variable_name_size bytes. + */ +static unsigned long var_name_strnsize(efi_char16_t *variable_name, + unsigned long variable_name_size) +{ + unsigned long len; + efi_char16_t c; + + /* + * The variable name is, by definition, a NULL-terminated + * string, so make absolutely sure that variable_name_size is + * the value we expect it to be. If not, return the real size. + */ + for (len = 2; len <= variable_name_size; len += sizeof(c)) { + c = variable_name[(len / sizeof(c)) - 1]; + if (!c) + break; + } + + return min(len, variable_name_size); +} + static void efivar_update_sysfs_entries(struct work_struct *work) { struct efivars *efivars = &__efivars; @@ -1756,10 +1771,13 @@ static void efivar_update_sysfs_entries(struct work_struct *work) if (!found) { kfree(variable_name); break; - } else + } else { + variable_name_size = var_name_strnsize(variable_name, + variable_name_size); efivar_create_sysfs_entry(efivars, variable_name_size, variable_name, &vendor); + } } } @@ -1958,6 +1976,35 @@ void unregister_efivars(struct efivars *efivars) } EXPORT_SYMBOL_GPL(unregister_efivars); +/* + * Print a warning when duplicate EFI variables are encountered and + * disable the sysfs workqueue since the firmware is buggy. + */ +static void dup_variable_bug(efi_char16_t *s16, efi_guid_t *vendor_guid, + unsigned long len16) +{ + size_t i, len8 = len16 / sizeof(efi_char16_t); + char *s8; + + /* + * Disable the workqueue since the algorithm it uses for + * detecting new variables won't work with this buggy + * implementation of GetNextVariableName(). + */ + efivar_wq_enabled = false; + + s8 = kzalloc(len8, GFP_KERNEL); + if (!s8) + return; + + for (i = 0; i < len8; i++) + s8[i] = s16[i]; + + printk(KERN_WARNING "efivars: duplicate variable: %s-%pUl\n", + s8, vendor_guid); + kfree(s8); +} + int register_efivars(struct efivars *efivars, const struct efivar_operations *ops, struct kobject *parent_kobj) @@ -2006,6 +2053,24 @@ int register_efivars(struct efivars *efivars, &vendor_guid); switch (status) { case EFI_SUCCESS: + variable_name_size = var_name_strnsize(variable_name, + variable_name_size); + + /* + * Some firmware implementations return the + * same variable name on multiple calls to + * get_next_variable(). Terminate the loop + * immediately as there is no guarantee that + * we'll ever see a different variable name, + * and may end up looping here forever. + */ + if (variable_is_present(variable_name, &vendor_guid)) { + dup_variable_bug(variable_name, &vendor_guid, + variable_name_size); + status = EFI_NOT_FOUND; + break; + } + efivar_create_sysfs_entry(efivars, variable_name_size, variable_name, @@ -2025,15 +2090,8 @@ int register_efivars(struct efivars *efivars, if (error) unregister_efivars(efivars); - efivars->efi_pstore_info = efi_pstore_info; - - efivars->efi_pstore_info.buf = kmalloc(4096, GFP_KERNEL); - if (efivars->efi_pstore_info.buf) { - efivars->efi_pstore_info.bufsize = 1024; - efivars->efi_pstore_info.data = efivars; - spin_lock_init(&efivars->efi_pstore_info.buf_lock); - pstore_register(&efivars->efi_pstore_info); - } + if (!efivars_pstore_disable) + efivar_pstore_register(efivars); register_filesystem(&efivarfs_type); diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index a71a54a..5150df6 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -193,7 +193,7 @@ static void of_gpiochip_add_pin_range(struct gpio_chip *chip) if (!np) return; - do { + for (;; index++) { ret = of_parse_phandle_with_args(np, "gpio-ranges", "#gpio-range-cells", index, &pinspec); if (ret) @@ -222,8 +222,7 @@ static void of_gpiochip_add_pin_range(struct gpio_chip *chip) if (ret) break; - - } while (index++); + } } #else diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index c194f4e..e2acfdb 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1634,7 +1634,7 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo; unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo; unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo; - unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) >> 2 | pt->vsync_offset_pulse_width_lo >> 4; + unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4; unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf); /* ignore tiny modes */ @@ -1715,6 +1715,7 @@ set_size: } mode->type = DRM_MODE_TYPE_DRIVER; + mode->vrefresh = drm_mode_vrefresh(mode); drm_mode_set_name(mode); return mode; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 36493ce..98cc147 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -38,11 +38,12 @@ /* position control register for hardware window 0, 2 ~ 4.*/ #define VIDOSD_A(win) (VIDOSD_BASE + 0x00 + (win) * 16) #define VIDOSD_B(win) (VIDOSD_BASE + 0x04 + (win) * 16) -/* size control register for hardware window 0. */ -#define VIDOSD_C_SIZE_W0 (VIDOSD_BASE + 0x08) -/* alpha control register for hardware window 1 ~ 4. */ -#define VIDOSD_C(win) (VIDOSD_BASE + 0x18 + (win) * 16) -/* size control register for hardware window 1 ~ 4. */ +/* + * size control register for hardware windows 0 and alpha control register + * for hardware windows 1 ~ 4 + */ +#define VIDOSD_C(win) (VIDOSD_BASE + 0x08 + (win) * 16) +/* size control register for hardware windows 1 ~ 2. */ #define VIDOSD_D(win) (VIDOSD_BASE + 0x0C + (win) * 16) #define VIDWx_BUF_START(win, buf) (VIDW_BUF_START(buf) + (win) * 8) @@ -50,9 +51,9 @@ #define VIDWx_BUF_SIZE(win, buf) (VIDW_BUF_SIZE(buf) + (win) * 4) /* color key control register for hardware window 1 ~ 4. */ -#define WKEYCON0_BASE(x) ((WKEYCON0 + 0x140) + (x * 8)) +#define WKEYCON0_BASE(x) ((WKEYCON0 + 0x140) + ((x - 1) * 8)) /* color key value register for hardware window 1 ~ 4. */ -#define WKEYCON1_BASE(x) ((WKEYCON1 + 0x140) + (x * 8)) +#define WKEYCON1_BASE(x) ((WKEYCON1 + 0x140) + ((x - 1) * 8)) /* FIMD has totally five hardware windows. */ #define WINDOWS_NR 5 @@ -109,9 +110,9 @@ struct fimd_context { #ifdef CONFIG_OF static const struct of_device_id fimd_driver_dt_match[] = { - { .compatible = "samsung,exynos4-fimd", + { .compatible = "samsung,exynos4210-fimd", .data = &exynos4_fimd_driver_data }, - { .compatible = "samsung,exynos5-fimd", + { .compatible = "samsung,exynos5250-fimd", .data = &exynos5_fimd_driver_data }, {}, }; @@ -581,7 +582,7 @@ static void fimd_win_commit(struct device *dev, int zpos) if (win != 3 && win != 4) { u32 offset = VIDOSD_D(win); if (win == 0) - offset = VIDOSD_C_SIZE_W0; + offset = VIDOSD_C(win); val = win_data->ovl_width * win_data->ovl_height; writel(val, ctx->regs + offset); diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 3b0da03..47a493c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -48,8 +48,14 @@ /* registers for base address */ #define G2D_SRC_BASE_ADDR 0x0304 +#define G2D_SRC_COLOR_MODE 0x030C +#define G2D_SRC_LEFT_TOP 0x0310 +#define G2D_SRC_RIGHT_BOTTOM 0x0314 #define G2D_SRC_PLANE2_BASE_ADDR 0x0318 #define G2D_DST_BASE_ADDR 0x0404 +#define G2D_DST_COLOR_MODE 0x040C +#define G2D_DST_LEFT_TOP 0x0410 +#define G2D_DST_RIGHT_BOTTOM 0x0414 #define G2D_DST_PLANE2_BASE_ADDR 0x0418 #define G2D_PAT_BASE_ADDR 0x0500 #define G2D_MSK_BASE_ADDR 0x0520 @@ -82,7 +88,7 @@ #define G2D_DMA_LIST_DONE_COUNT_OFFSET 17 /* G2D_DMA_HOLD_CMD */ -#define G2D_USET_HOLD (1 << 2) +#define G2D_USER_HOLD (1 << 2) #define G2D_LIST_HOLD (1 << 1) #define G2D_BITBLT_HOLD (1 << 0) @@ -91,13 +97,27 @@ #define G2D_START_NHOLT (1 << 1) #define G2D_START_BITBLT (1 << 0) +/* buffer color format */ +#define G2D_FMT_XRGB8888 0 +#define G2D_FMT_ARGB8888 1 +#define G2D_FMT_RGB565 2 +#define G2D_FMT_XRGB1555 3 +#define G2D_FMT_ARGB1555 4 +#define G2D_FMT_XRGB4444 5 +#define G2D_FMT_ARGB4444 6 +#define G2D_FMT_PACKED_RGB888 7 +#define G2D_FMT_A8 11 +#define G2D_FMT_L8 12 + +/* buffer valid length */ +#define G2D_LEN_MIN 1 +#define G2D_LEN_MAX 8000 + #define G2D_CMDLIST_SIZE (PAGE_SIZE / 4) #define G2D_CMDLIST_NUM 64 #define G2D_CMDLIST_POOL_SIZE (G2D_CMDLIST_SIZE * G2D_CMDLIST_NUM) #define G2D_CMDLIST_DATA_NUM (G2D_CMDLIST_SIZE / sizeof(u32) - 2) -#define MAX_BUF_ADDR_NR 6 - /* maximum buffer pool size of userptr is 64MB as default */ #define MAX_POOL (64 * 1024 * 1024) @@ -106,6 +126,17 @@ enum { BUF_TYPE_USERPTR, }; +enum g2d_reg_type { + REG_TYPE_NONE = -1, + REG_TYPE_SRC, + REG_TYPE_SRC_PLANE2, + REG_TYPE_DST, + REG_TYPE_DST_PLANE2, + REG_TYPE_PAT, + REG_TYPE_MSK, + MAX_REG_TYPE_NR +}; + /* cmdlist data structure */ struct g2d_cmdlist { u32 head; @@ -113,6 +144,42 @@ struct g2d_cmdlist { u32 last; /* last data offset */ }; +/* + * A structure of buffer description + * + * @format: color format + * @left_x: the x coordinates of left top corner + * @top_y: the y coordinates of left top corner + * @right_x: the x coordinates of right bottom corner + * @bottom_y: the y coordinates of right bottom corner + * + */ +struct g2d_buf_desc { + unsigned int format; + unsigned int left_x; + unsigned int top_y; + unsigned int right_x; + unsigned int bottom_y; +}; + +/* + * A structure of buffer information + * + * @map_nr: manages the number of mapped buffers + * @reg_types: stores regitster type in the order of requested command + * @handles: stores buffer handle in its reg_type position + * @types: stores buffer type in its reg_type position + * @descs: stores buffer description in its reg_type position + * + */ +struct g2d_buf_info { + unsigned int map_nr; + enum g2d_reg_type reg_types[MAX_REG_TYPE_NR]; + unsigned long handles[MAX_REG_TYPE_NR]; + unsigned int types[MAX_REG_TYPE_NR]; + struct g2d_buf_desc descs[MAX_REG_TYPE_NR]; +}; + struct drm_exynos_pending_g2d_event { struct drm_pending_event base; struct drm_exynos_g2d_event event; @@ -131,14 +198,11 @@ struct g2d_cmdlist_userptr { bool in_pool; bool out_of_list; }; - struct g2d_cmdlist_node { struct list_head list; struct g2d_cmdlist *cmdlist; - unsigned int map_nr; - unsigned long handles[MAX_BUF_ADDR_NR]; - unsigned int obj_type[MAX_BUF_ADDR_NR]; dma_addr_t dma_addr; + struct g2d_buf_info buf_info; struct drm_exynos_pending_g2d_event *event; }; @@ -188,6 +252,7 @@ static int g2d_init_cmdlist(struct g2d_data *g2d) struct exynos_drm_subdrv *subdrv = &g2d->subdrv; int nr; int ret; + struct g2d_buf_info *buf_info; init_dma_attrs(&g2d->cmdlist_dma_attrs); dma_set_attr(DMA_ATTR_WRITE_COMBINE, &g2d->cmdlist_dma_attrs); @@ -209,11 +274,17 @@ static int g2d_init_cmdlist(struct g2d_data *g2d) } for (nr = 0; nr < G2D_CMDLIST_NUM; nr++) { + unsigned int i; + node[nr].cmdlist = g2d->cmdlist_pool_virt + nr * G2D_CMDLIST_SIZE; node[nr].dma_addr = g2d->cmdlist_pool + nr * G2D_CMDLIST_SIZE; + buf_info = &node[nr].buf_info; + for (i = 0; i < MAX_REG_TYPE_NR; i++) + buf_info->reg_types[i] = REG_TYPE_NONE; + list_add_tail(&node[nr].list, &g2d->free_cmdlist); } @@ -450,7 +521,7 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, DMA_BIDIRECTIONAL); if (ret < 0) { DRM_ERROR("failed to map sgt with dma region.\n"); - goto err_free_sgt; + goto err_sg_free_table; } g2d_userptr->dma_addr = sgt->sgl[0].dma_address; @@ -467,8 +538,10 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev, return &g2d_userptr->dma_addr; -err_free_sgt: +err_sg_free_table: sg_free_table(sgt); + +err_free_sgt: kfree(sgt); sgt = NULL; @@ -506,36 +579,172 @@ static void g2d_userptr_free_all(struct drm_device *drm_dev, g2d->current_pool = 0; } +static enum g2d_reg_type g2d_get_reg_type(int reg_offset) +{ + enum g2d_reg_type reg_type; + + switch (reg_offset) { + case G2D_SRC_BASE_ADDR: + case G2D_SRC_COLOR_MODE: + case G2D_SRC_LEFT_TOP: + case G2D_SRC_RIGHT_BOTTOM: + reg_type = REG_TYPE_SRC; + break; + case G2D_SRC_PLANE2_BASE_ADDR: + reg_type = REG_TYPE_SRC_PLANE2; + break; + case G2D_DST_BASE_ADDR: + case G2D_DST_COLOR_MODE: + case G2D_DST_LEFT_TOP: + case G2D_DST_RIGHT_BOTTOM: + reg_type = REG_TYPE_DST; + break; + case G2D_DST_PLANE2_BASE_ADDR: + reg_type = REG_TYPE_DST_PLANE2; + break; + case G2D_PAT_BASE_ADDR: + reg_type = REG_TYPE_PAT; + break; + case G2D_MSK_BASE_ADDR: + reg_type = REG_TYPE_MSK; + break; + default: + reg_type = REG_TYPE_NONE; + DRM_ERROR("Unknown register offset![%d]\n", reg_offset); + break; + }; + + return reg_type; +} + +static unsigned long g2d_get_buf_bpp(unsigned int format) +{ + unsigned long bpp; + + switch (format) { + case G2D_FMT_XRGB8888: + case G2D_FMT_ARGB8888: + bpp = 4; + break; + case G2D_FMT_RGB565: + case G2D_FMT_XRGB1555: + case G2D_FMT_ARGB1555: + case G2D_FMT_XRGB4444: + case G2D_FMT_ARGB4444: + bpp = 2; + break; + case G2D_FMT_PACKED_RGB888: + bpp = 3; + break; + default: + bpp = 1; + break; + } + + return bpp; +} + +static bool g2d_check_buf_desc_is_valid(struct g2d_buf_desc *buf_desc, + enum g2d_reg_type reg_type, + unsigned long size) +{ + unsigned int width, height; + unsigned long area; + + /* + * check source and destination buffers only. + * so the others are always valid. + */ + if (reg_type != REG_TYPE_SRC && reg_type != REG_TYPE_DST) + return true; + + width = buf_desc->right_x - buf_desc->left_x; + if (width < G2D_LEN_MIN || width > G2D_LEN_MAX) { + DRM_ERROR("width[%u] is out of range!\n", width); + return false; + } + + height = buf_desc->bottom_y - buf_desc->top_y; + if (height < G2D_LEN_MIN || height > G2D_LEN_MAX) { + DRM_ERROR("height[%u] is out of range!\n", height); + return false; + } + + area = (unsigned long)width * (unsigned long)height * + g2d_get_buf_bpp(buf_desc->format); + if (area > size) { + DRM_ERROR("area[%lu] is out of range[%lu]!\n", area, size); + return false; + } + + return true; +} + static int g2d_map_cmdlist_gem(struct g2d_data *g2d, struct g2d_cmdlist_node *node, struct drm_device *drm_dev, struct drm_file *file) { struct g2d_cmdlist *cmdlist = node->cmdlist; + struct g2d_buf_info *buf_info = &node->buf_info; int offset; + int ret; int i; - for (i = 0; i < node->map_nr; i++) { + for (i = 0; i < buf_info->map_nr; i++) { + struct g2d_buf_desc *buf_desc; + enum g2d_reg_type reg_type; + int reg_pos; unsigned long handle; dma_addr_t *addr; - offset = cmdlist->last - (i * 2 + 1); - handle = cmdlist->data[offset]; + reg_pos = cmdlist->last - 2 * (i + 1); + + offset = cmdlist->data[reg_pos]; + handle = cmdlist->data[reg_pos + 1]; + + reg_type = g2d_get_reg_type(offset); + if (reg_type == REG_TYPE_NONE) { + ret = -EFAULT; + goto err; + } + + buf_desc = &buf_info->descs[reg_type]; + + if (buf_info->types[reg_type] == BUF_TYPE_GEM) { + unsigned long size; + + size = exynos_drm_gem_get_size(drm_dev, handle, file); + if (!size) { + ret = -EFAULT; + goto err; + } + + if (!g2d_check_buf_desc_is_valid(buf_desc, reg_type, + size)) { + ret = -EFAULT; + goto err; + } - if (node->obj_type[i] == BUF_TYPE_GEM) { addr = exynos_drm_gem_get_dma_addr(drm_dev, handle, file); if (IS_ERR(addr)) { - node->map_nr = i; - return -EFAULT; + ret = -EFAULT; + goto err; } } else { struct drm_exynos_g2d_userptr g2d_userptr; if (copy_from_user(&g2d_userptr, (void __user *)handle, sizeof(struct drm_exynos_g2d_userptr))) { - node->map_nr = i; - return -EFAULT; + ret = -EFAULT; + goto err; + } + + if (!g2d_check_buf_desc_is_valid(buf_desc, reg_type, + g2d_userptr.size)) { + ret = -EFAULT; + goto err; } addr = g2d_userptr_get_dma_addr(drm_dev, @@ -544,16 +753,21 @@ static int g2d_map_cmdlist_gem(struct g2d_data *g2d, file, &handle); if (IS_ERR(addr)) { - node->map_nr = i; - return -EFAULT; + ret = -EFAULT; + goto err; } } - cmdlist->data[offset] = *addr; - node->handles[i] = handle; + cmdlist->data[reg_pos + 1] = *addr; + buf_info->reg_types[i] = reg_type; + buf_info->handles[reg_type] = handle; } return 0; + +err: + buf_info->map_nr = i; + return ret; } static void g2d_unmap_cmdlist_gem(struct g2d_data *g2d, @@ -561,22 +775,33 @@ static void g2d_unmap_cmdlist_gem(struct g2d_data *g2d, struct drm_file *filp) { struct exynos_drm_subdrv *subdrv = &g2d->subdrv; + struct g2d_buf_info *buf_info = &node->buf_info; int i; - for (i = 0; i < node->map_nr; i++) { - unsigned long handle = node->handles[i]; + for (i = 0; i < buf_info->map_nr; i++) { + struct g2d_buf_desc *buf_desc; + enum g2d_reg_type reg_type; + unsigned long handle; + + reg_type = buf_info->reg_types[i]; + + buf_desc = &buf_info->descs[reg_type]; + handle = buf_info->handles[reg_type]; - if (node->obj_type[i] == BUF_TYPE_GEM) + if (buf_info->types[reg_type] == BUF_TYPE_GEM) exynos_drm_gem_put_dma_addr(subdrv->drm_dev, handle, filp); else g2d_userptr_put_dma_addr(subdrv->drm_dev, handle, false); - node->handles[i] = 0; + buf_info->reg_types[i] = REG_TYPE_NONE; + buf_info->handles[reg_type] = 0; + buf_info->types[reg_type] = 0; + memset(buf_desc, 0x00, sizeof(*buf_desc)); } - node->map_nr = 0; + buf_info->map_nr = 0; } static void g2d_dma_start(struct g2d_data *g2d, @@ -589,10 +814,6 @@ static void g2d_dma_start(struct g2d_data *g2d, pm_runtime_get_sync(g2d->dev); clk_enable(g2d->gate_clk); - /* interrupt enable */ - writel_relaxed(G2D_INTEN_ACF | G2D_INTEN_UCF | G2D_INTEN_GCF, - g2d->regs + G2D_INTEN); - writel_relaxed(node->dma_addr, g2d->regs + G2D_DMA_SFR_BASE_ADDR); writel_relaxed(G2D_DMA_START, g2d->regs + G2D_DMA_COMMAND); } @@ -643,7 +864,6 @@ static void g2d_runqueue_worker(struct work_struct *work) struct g2d_data *g2d = container_of(work, struct g2d_data, runqueue_work); - mutex_lock(&g2d->runqueue_mutex); clk_disable(g2d->gate_clk); pm_runtime_put_sync(g2d->dev); @@ -724,20 +944,14 @@ static int g2d_check_reg_offset(struct device *dev, int i; for (i = 0; i < nr; i++) { - index = cmdlist->last - 2 * (i + 1); + struct g2d_buf_info *buf_info = &node->buf_info; + struct g2d_buf_desc *buf_desc; + enum g2d_reg_type reg_type; + unsigned long value; - if (for_addr) { - /* check userptr buffer type. */ - reg_offset = (cmdlist->data[index] & - ~0x7fffffff) >> 31; - if (reg_offset) { - node->obj_type[i] = BUF_TYPE_USERPTR; - cmdlist->data[index] &= ~G2D_BUF_USERPTR; - } - } + index = cmdlist->last - 2 * (i + 1); reg_offset = cmdlist->data[index] & ~0xfffff000; - if (reg_offset < G2D_VALID_START || reg_offset > G2D_VALID_END) goto err; if (reg_offset % 4) @@ -753,8 +967,60 @@ static int g2d_check_reg_offset(struct device *dev, if (!for_addr) goto err; - if (node->obj_type[i] != BUF_TYPE_USERPTR) - node->obj_type[i] = BUF_TYPE_GEM; + reg_type = g2d_get_reg_type(reg_offset); + if (reg_type == REG_TYPE_NONE) + goto err; + + /* check userptr buffer type. */ + if ((cmdlist->data[index] & ~0x7fffffff) >> 31) { + buf_info->types[reg_type] = BUF_TYPE_USERPTR; + cmdlist->data[index] &= ~G2D_BUF_USERPTR; + } else + buf_info->types[reg_type] = BUF_TYPE_GEM; + break; + case G2D_SRC_COLOR_MODE: + case G2D_DST_COLOR_MODE: + if (for_addr) + goto err; + + reg_type = g2d_get_reg_type(reg_offset); + if (reg_type == REG_TYPE_NONE) + goto err; + + buf_desc = &buf_info->descs[reg_type]; + value = cmdlist->data[index + 1]; + + buf_desc->format = value & 0xf; + break; + case G2D_SRC_LEFT_TOP: + case G2D_DST_LEFT_TOP: + if (for_addr) + goto err; + + reg_type = g2d_get_reg_type(reg_offset); + if (reg_type == REG_TYPE_NONE) + goto err; + + buf_desc = &buf_info->descs[reg_type]; + value = cmdlist->data[index + 1]; + + buf_desc->left_x = value & 0x1fff; + buf_desc->top_y = (value & 0x1fff0000) >> 16; + break; + case G2D_SRC_RIGHT_BOTTOM: + case G2D_DST_RIGHT_BOTTOM: + if (for_addr) + goto err; + + reg_type = g2d_get_reg_type(reg_offset); + if (reg_type == REG_TYPE_NONE) + goto err; + + buf_desc = &buf_info->descs[reg_type]; + value = cmdlist->data[index + 1]; + + buf_desc->right_x = value & 0x1fff; + buf_desc->bottom_y = (value & 0x1fff0000) >> 16; break; default: if (for_addr) @@ -860,9 +1126,23 @@ int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, cmdlist->data[cmdlist->last++] = G2D_SRC_BASE_ADDR; cmdlist->data[cmdlist->last++] = 0; + /* + * 'LIST_HOLD' command should be set to the DMA_HOLD_CMD_REG + * and GCF bit should be set to INTEN register if user wants + * G2D interrupt event once current command list execution is + * finished. + * Otherwise only ACF bit should be set to INTEN register so + * that one interrupt is occured after all command lists + * have been completed. + */ if (node->event) { + cmdlist->data[cmdlist->last++] = G2D_INTEN; + cmdlist->data[cmdlist->last++] = G2D_INTEN_ACF | G2D_INTEN_GCF; cmdlist->data[cmdlist->last++] = G2D_DMA_HOLD_CMD; cmdlist->data[cmdlist->last++] = G2D_LIST_HOLD; + } else { + cmdlist->data[cmdlist->last++] = G2D_INTEN; + cmdlist->data[cmdlist->last++] = G2D_INTEN_ACF; } /* Check size of cmdlist: last 2 is about G2D_BITBLT_START */ @@ -887,7 +1167,7 @@ int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, if (ret < 0) goto err_free_event; - node->map_nr = req->cmd_buf_nr; + node->buf_info.map_nr = req->cmd_buf_nr; if (req->cmd_buf_nr) { struct drm_exynos_g2d_cmd *cmd_buf; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 67e17ce..0e6fe00 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -164,6 +164,27 @@ out: exynos_gem_obj = NULL; } +unsigned long exynos_drm_gem_get_size(struct drm_device *dev, + unsigned int gem_handle, + struct drm_file *file_priv) +{ + struct exynos_drm_gem_obj *exynos_gem_obj; + struct drm_gem_object *obj; + + obj = drm_gem_object_lookup(dev, file_priv, gem_handle); + if (!obj) { + DRM_ERROR("failed to lookup gem object.\n"); + return 0; + } + + exynos_gem_obj = to_exynos_gem_obj(obj); + + drm_gem_object_unreference_unlocked(obj); + + return exynos_gem_obj->buffer->size; +} + + struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, unsigned long size) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 35ebac4..468766b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -130,6 +130,11 @@ int exynos_drm_gem_userptr_ioctl(struct drm_device *dev, void *data, int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +/* get buffer size to gem handle. */ +unsigned long exynos_drm_gem_get_size(struct drm_device *dev, + unsigned int gem_handle, + struct drm_file *file_priv); + /* initialize gem object. */ int exynos_drm_gem_init_object(struct drm_gem_object *obj); diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 13ccbd4..9504b0c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -117,13 +117,12 @@ static struct edid *vidi_get_edid(struct device *dev, } edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH; - edid = kzalloc(edid_len, GFP_KERNEL); + edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL); if (!edid) { DRM_DEBUG_KMS("failed to allocate edid\n"); return ERR_PTR(-ENOMEM); } - memcpy(edid, ctx->raw_edid, edid_len); return edid; } @@ -563,12 +562,11 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data, return -EINVAL; } edid_len = (1 + raw_edid->extensions) * EDID_LENGTH; - ctx->raw_edid = kzalloc(edid_len, GFP_KERNEL); + ctx->raw_edid = kmemdup(raw_edid, edid_len, GFP_KERNEL); if (!ctx->raw_edid) { DRM_DEBUG_KMS("failed to allocate raw_edid.\n"); return -ENOMEM; } - memcpy(ctx->raw_edid, raw_edid, edid_len); } else { /* * with connection = 0, free raw_edid diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index e919aba..2f4f72f 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -818,7 +818,7 @@ static void mixer_win_disable(void *ctx, int win) mixer_ctx->win_data[win].enabled = false; } -int mixer_check_timing(void *ctx, struct fb_videomode *timing) +static int mixer_check_timing(void *ctx, struct fb_videomode *timing) { struct mixer_context *mixer_ctx = ctx; u32 w, h; diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index aae3148..7299ea4 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -103,7 +103,7 @@ static const char *cache_level_str(int type) static void describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) { - seq_printf(m, "%p: %s%s %8zdKiB %02x %02x %d %d %d%s%s%s", + seq_printf(m, "%pK: %s%s %8zdKiB %02x %02x %d %d %d%s%s%s", &obj->base, get_pin_flag(obj), get_tiling_flag(obj), diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 0a8eceb..e9b5789 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -125,6 +125,11 @@ MODULE_PARM_DESC(preliminary_hw_support, "Enable Haswell and ValleyView Support. " "(default: false)"); +int i915_disable_power_well __read_mostly = 0; +module_param_named(disable_power_well, i915_disable_power_well, int, 0600); +MODULE_PARM_DESC(disable_power_well, + "Disable the power well when possible (default: false)"); + static struct drm_driver driver; extern int intel_agp_enabled; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index e95337c..01769e2 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1398,6 +1398,7 @@ extern int i915_enable_fbc __read_mostly; extern bool i915_enable_hangcheck __read_mostly; extern int i915_enable_ppgtt __read_mostly; extern unsigned int i915_preliminary_hw_support __read_mostly; +extern int i915_disable_power_well __read_mostly; extern int i915_suspend(struct drm_device *dev, pm_message_t state); extern int i915_resume(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 2f2daeb..3b11ab0 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -732,6 +732,8 @@ validate_exec_list(struct drm_i915_gem_exec_object2 *exec, int count) { int i; + int relocs_total = 0; + int relocs_max = INT_MAX / sizeof(struct drm_i915_gem_relocation_entry); for (i = 0; i < count; i++) { char __user *ptr = (char __user *)(uintptr_t)exec[i].relocs_ptr; @@ -740,10 +742,13 @@ validate_exec_list(struct drm_i915_gem_exec_object2 *exec, if (exec[i].flags & __EXEC_OBJECT_UNKNOWN_FLAGS) return -EINVAL; - /* First check for malicious input causing overflow */ - if (exec[i].relocation_count > - INT_MAX / sizeof(struct drm_i915_gem_relocation_entry)) + /* First check for malicious input causing overflow in + * the worst case where we need to allocate the entire + * relocation tree as a single array. + */ + if (exec[i].relocation_count > relocs_max - relocs_total) return -EINVAL; + relocs_total += exec[i].relocation_count; length = exec[i].relocation_count * sizeof(struct drm_i915_gem_relocation_entry); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 287b42c..b20d501 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5771,6 +5771,11 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc, num_connectors++; } + if (is_cpu_edp) + intel_crtc->cpu_transcoder = TRANSCODER_EDP; + else + intel_crtc->cpu_transcoder = pipe; + /* We are not sure yet this won't happen. */ WARN(!HAS_PCH_LPT(dev), "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); @@ -5837,11 +5842,6 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, int pipe = intel_crtc->pipe; int ret; - if (IS_HASWELL(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) - intel_crtc->cpu_transcoder = TRANSCODER_EDP; - else - intel_crtc->cpu_transcoder = pipe; - drm_vblank_pre_modeset(dev, pipe); ret = dev_priv->display.crtc_mode_set(crtc, mode, adjusted_mode, diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 6f728e5..d7d4afe 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -820,6 +820,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, struct intel_link_m_n m_n; int pipe = intel_crtc->pipe; enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; + int target_clock; /* * Find the lane count in the intel_encoder private @@ -835,13 +836,22 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, } } + target_clock = mode->clock; + for_each_encoder_on_crtc(dev, crtc, intel_encoder) { + if (intel_encoder->type == INTEL_OUTPUT_EDP) { + target_clock = intel_edp_target_clock(intel_encoder, + mode); + break; + } + } + /* * Compute the GMCH and Link ratios. The '3' here is * the number of bytes_per_pixel post-LUT, which we always * set up for 8-bits of R/G/B, or 3 bytes total. */ intel_link_compute_m_n(intel_crtc->bpp, lane_count, - mode->clock, adjusted_mode->clock, &m_n); + target_clock, adjusted_mode->clock, &m_n); if (IS_HASWELL(dev)) { I915_WRITE(PIPE_DATA_M1(cpu_transcoder), @@ -1930,7 +1940,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) for (i = 0; i < intel_dp->lane_count; i++) if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0) break; - if (i == intel_dp->lane_count && voltage_tries == 5) { + if (i == intel_dp->lane_count) { ++loop_tries; if (loop_tries == 5) { DRM_DEBUG_KMS("too many full retries, give up\n"); diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index acf8aec..ef4744e 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -203,7 +203,13 @@ intel_gpio_setup(struct intel_gmbus *bus, u32 pin) algo->data = bus; } -#define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->gen >= 4) +/* + * gmbus on gen4 seems to be able to generate legacy interrupts even when in MSI + * mode. This results in spurious interrupt warnings if the legacy irq no. is + * shared with another device. The kernel then disables that interrupt source + * and so prevents the other device from working properly. + */ +#define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->gen >= 5) static int gmbus_wait_hw_status(struct drm_i915_private *dev_priv, u32 gmbus2_status, @@ -214,6 +220,9 @@ gmbus_wait_hw_status(struct drm_i915_private *dev_priv, u32 gmbus2 = 0; DEFINE_WAIT(wait); + if (!HAS_GMBUS_IRQ(dev_priv->dev)) + gmbus4_irq_en = 0; + /* Important: The hw handles only the first bit, so set only one! Since * we also need to check for NAKs besides the hw ready/idle signal, we * need to wake up periodically and check that ourselves. */ diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index a3730e0..bee8cb6 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -321,9 +321,6 @@ void intel_panel_enable_backlight(struct drm_device *dev, if (dev_priv->backlight_level == 0) dev_priv->backlight_level = intel_panel_get_max_backlight(dev); - dev_priv->backlight_enabled = true; - intel_panel_actually_set_backlight(dev, dev_priv->backlight_level); - if (INTEL_INFO(dev)->gen >= 4) { uint32_t reg, tmp; @@ -359,12 +356,12 @@ void intel_panel_enable_backlight(struct drm_device *dev, } set_level: - /* Check the current backlight level and try to set again if it's zero. - * On some machines, BLC_PWM_CPU_CTL is cleared to zero automatically - * when BLC_PWM_CPU_CTL2 and BLC_PWM_PCH_CTL1 are written. + /* Call below after setting BLC_PWM_CPU_CTL2 and BLC_PWM_PCH_CTL1. + * BLC_PWM_CPU_CTL may be cleared to zero automatically when these + * registers are set. */ - if (!intel_panel_get_backlight(dev)) - intel_panel_actually_set_backlight(dev, dev_priv->backlight_level); + dev_priv->backlight_enabled = true; + intel_panel_actually_set_backlight(dev, dev_priv->backlight_level); } static void intel_panel_init_backlight(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a1794c6..adca007 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4079,6 +4079,9 @@ void intel_set_power_well(struct drm_device *dev, bool enable) if (!IS_HASWELL(dev)) return; + if (!i915_disable_power_well && !enable) + return; + tmp = I915_READ(HSW_PWR_WELL_DRIVER); is_enabled = tmp & HSW_PWR_WELL_STATE; enable_requested = tmp & HSW_PWR_WELL_ENABLE; diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index a274b99..fe22bb7 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -382,19 +382,19 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) m = n = p = 0; vcomax = 800000; vcomin = 400000; - pllreffreq = 3333; + pllreffreq = 33333; delta = 0xffffffff; permitteddelta = clock * 5 / 1000; - for (testp = 16; testp > 0; testp--) { + for (testp = 16; testp > 0; testp >>= 1) { if (clock * testp > vcomax) continue; if (clock * testp < vcomin) continue; for (testm = 1; testm < 33; testm++) { - for (testn = 1; testn < 257; testn++) { + for (testn = 17; testn < 257; testn++) { computed = (pllreffreq * testn) / (testm * testp); if (computed > clock) @@ -404,11 +404,11 @@ static int mga_g200eh_set_plls(struct mga_device *mdev, long clock) if (tmpdelta < delta) { delta = tmpdelta; n = testn - 1; - m = (testm - 1) | ((n >> 1) & 0x80); + m = (testm - 1); p = testp - 1; } if ((clock * testp) >= 600000) - p |= 80; + p |= 0x80; } } } diff --git a/drivers/gpu/drm/nouveau/core/core/object.c b/drivers/gpu/drm/nouveau/core/core/object.c index 0daab62..3b2e7b63 100644 --- a/drivers/gpu/drm/nouveau/core/core/object.c +++ b/drivers/gpu/drm/nouveau/core/core/object.c @@ -278,7 +278,6 @@ nouveau_object_del(struct nouveau_object *client, u32 _parent, u32 _handle) struct nouveau_object *parent = NULL; struct nouveau_object *namedb = NULL; struct nouveau_handle *handle = NULL; - int ret = -EINVAL; parent = nouveau_handle_ref(client, _parent); if (!parent) @@ -295,7 +294,7 @@ nouveau_object_del(struct nouveau_object *client, u32 _parent, u32 _handle) } nouveau_object_ref(NULL, &parent); - return ret; + return handle ? 0 : -EINVAL; } int diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/therm.h b/drivers/gpu/drm/nouveau/core/include/subdev/therm.h index 6b17b61..0b20fc0 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/therm.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/therm.h @@ -4,7 +4,7 @@ #include <core/device.h> #include <core/subdev.h> -enum nouveau_therm_mode { +enum nouveau_therm_fan_mode { NOUVEAU_THERM_CTRL_NONE = 0, NOUVEAU_THERM_CTRL_MANUAL = 1, NOUVEAU_THERM_CTRL_AUTO = 2, diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/base.c b/drivers/gpu/drm/nouveau/core/subdev/therm/base.c index f794dc8..a00a5a7 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/base.c @@ -134,7 +134,7 @@ nouveau_therm_alarm(struct nouveau_alarm *alarm) } int -nouveau_therm_mode(struct nouveau_therm *therm, int mode) +nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode) { struct nouveau_therm_priv *priv = (void *)therm; struct nouveau_device *device = nv_device(therm); @@ -149,10 +149,15 @@ nouveau_therm_mode(struct nouveau_therm *therm, int mode) (mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0)) return -EINVAL; + /* do not allow automatic fan management if the thermal sensor is + * not available */ + if (priv->mode == 2 && therm->temp_get(therm) < 0) + return -EINVAL; + if (priv->mode == mode) return 0; - nv_info(therm, "Thermal management: %s\n", name[mode]); + nv_info(therm, "fan management: %s\n", name[mode]); nouveau_therm_update(therm, mode); return 0; } @@ -213,7 +218,7 @@ nouveau_therm_attr_set(struct nouveau_therm *therm, priv->fan->bios.max_duty = value; return 0; case NOUVEAU_THERM_ATTR_FAN_MODE: - return nouveau_therm_mode(therm, value); + return nouveau_therm_fan_mode(therm, value); case NOUVEAU_THERM_ATTR_THRS_FAN_BOOST: priv->bios_sensor.thrs_fan_boost.temp = value; priv->sensor.program_alarms(therm); @@ -263,7 +268,7 @@ _nouveau_therm_init(struct nouveau_object *object) return ret; if (priv->suspend >= 0) - nouveau_therm_mode(therm, priv->mode); + nouveau_therm_fan_mode(therm, priv->mode); priv->sensor.program_alarms(therm); return 0; } @@ -313,11 +318,12 @@ nouveau_therm_create_(struct nouveau_object *parent, int nouveau_therm_preinit(struct nouveau_therm *therm) { - nouveau_therm_ic_ctor(therm); nouveau_therm_sensor_ctor(therm); + nouveau_therm_ic_ctor(therm); nouveau_therm_fan_ctor(therm); - nouveau_therm_mode(therm, NOUVEAU_THERM_CTRL_NONE); + nouveau_therm_fan_mode(therm, NOUVEAU_THERM_CTRL_NONE); + nouveau_therm_sensor_preinit(therm); return 0; } diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c b/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c index e24090b..8b3adec 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/ic.c @@ -32,6 +32,7 @@ probe_monitoring_device(struct nouveau_i2c_port *i2c, struct i2c_board_info *info) { struct nouveau_therm_priv *priv = (void *)nouveau_therm(i2c); + struct nvbios_therm_sensor *sensor = &priv->bios_sensor; struct i2c_client *client; request_module("%s%s", I2C_MODULE_PREFIX, info->type); @@ -46,8 +47,9 @@ probe_monitoring_device(struct nouveau_i2c_port *i2c, } nv_info(priv, - "Found an %s at address 0x%x (controlled by lm_sensors)\n", - info->type, info->addr); + "Found an %s at address 0x%x (controlled by lm_sensors, " + "temp offset %+i C)\n", + info->type, info->addr, sensor->offset_constant); priv->ic = client; return true; diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c index 0f5363e..a70d1b7 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/nv40.c @@ -29,54 +29,83 @@ struct nv40_therm_priv { struct nouveau_therm_priv base; }; +enum nv40_sensor_style { INVALID_STYLE = -1, OLD_STYLE = 0, NEW_STYLE = 1 }; + +static enum nv40_sensor_style +nv40_sensor_style(struct nouveau_therm *therm) +{ + struct nouveau_device *device = nv_device(therm); + + switch (device->chipset) { + case 0x43: + case 0x44: + case 0x4a: + case 0x47: + return OLD_STYLE; + + case 0x46: + case 0x49: + case 0x4b: + case 0x4e: + case 0x4c: + case 0x67: + case 0x68: + case 0x63: + return NEW_STYLE; + default: + return INVALID_STYLE; + } +} + static int nv40_sensor_setup(struct nouveau_therm *therm) { - struct nouveau_device *device = nv_device(therm); + enum nv40_sensor_style style = nv40_sensor_style(therm); /* enable ADC readout and disable the ALARM threshold */ - if (device->chipset >= 0x46) { + if (style == NEW_STYLE) { nv_mask(therm, 0x15b8, 0x80000000, 0); nv_wr32(therm, 0x15b0, 0x80003fff); - mdelay(10); /* wait for the temperature to stabilize */ + mdelay(20); /* wait for the temperature to stabilize */ return nv_rd32(therm, 0x15b4) & 0x3fff; - } else { + } else if (style == OLD_STYLE) { nv_wr32(therm, 0x15b0, 0xff); + mdelay(20); /* wait for the temperature to stabilize */ return nv_rd32(therm, 0x15b4) & 0xff; - } + } else + return -ENODEV; } static int nv40_temp_get(struct nouveau_therm *therm) { struct nouveau_therm_priv *priv = (void *)therm; - struct nouveau_device *device = nv_device(therm); struct nvbios_therm_sensor *sensor = &priv->bios_sensor; + enum nv40_sensor_style style = nv40_sensor_style(therm); int core_temp; - if (device->chipset >= 0x46) { + if (style == NEW_STYLE) { nv_wr32(therm, 0x15b0, 0x80003fff); core_temp = nv_rd32(therm, 0x15b4) & 0x3fff; - } else { + } else if (style == OLD_STYLE) { nv_wr32(therm, 0x15b0, 0xff); core_temp = nv_rd32(therm, 0x15b4) & 0xff; - } - - /* Setup the sensor if the temperature is 0 */ - if (core_temp == 0) - core_temp = nv40_sensor_setup(therm); + } else + return -ENODEV; - if (sensor->slope_div == 0) - sensor->slope_div = 1; - if (sensor->offset_den == 0) - sensor->offset_den = 1; - if (sensor->slope_mult < 1) - sensor->slope_mult = 1; + /* if the slope or the offset is unset, do no use the sensor */ + if (!sensor->slope_div || !sensor->slope_mult || + !sensor->offset_num || !sensor->offset_den) + return -ENODEV; core_temp = core_temp * sensor->slope_mult / sensor->slope_div; core_temp = core_temp + sensor->offset_num / sensor->offset_den; core_temp = core_temp + sensor->offset_constant - 8; + /* reserve negative temperatures for errors */ + if (core_temp < 0) + core_temp = 0; + return core_temp; } diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h b/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h index 06b9870..438d982 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/priv.h @@ -102,7 +102,7 @@ struct nouveau_therm_priv { struct i2c_client *ic; }; -int nouveau_therm_mode(struct nouveau_therm *therm, int mode); +int nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode); int nouveau_therm_attr_get(struct nouveau_therm *therm, enum nouveau_therm_attr_type type); int nouveau_therm_attr_set(struct nouveau_therm *therm, @@ -122,6 +122,7 @@ int nouveau_therm_fan_sense(struct nouveau_therm *therm); int nouveau_therm_preinit(struct nouveau_therm *); +void nouveau_therm_sensor_preinit(struct nouveau_therm *); void nouveau_therm_sensor_set_threshold_state(struct nouveau_therm *therm, enum nouveau_therm_thrs thrs, enum nouveau_therm_thrs_state st); diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c index b37624a..470f6a4 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c +++ b/drivers/gpu/drm/nouveau/core/subdev/therm/temp.c @@ -34,10 +34,6 @@ nouveau_therm_temp_set_defaults(struct nouveau_therm *therm) { struct nouveau_therm_priv *priv = (void *)therm; - priv->bios_sensor.slope_mult = 1; - priv->bios_sensor.slope_div = 1; - priv->bios_sensor.offset_num = 0; - priv->bios_sensor.offset_den = 1; priv->bios_sensor.offset_constant = 0; priv->bios_sensor.thrs_fan_boost.temp = 90; @@ -60,11 +56,6 @@ nouveau_therm_temp_safety_checks(struct nouveau_therm *therm) struct nouveau_therm_priv *priv = (void *)therm; struct nvbios_therm_sensor *s = &priv->bios_sensor; - if (!priv->bios_sensor.slope_div) - priv->bios_sensor.slope_div = 1; - if (!priv->bios_sensor.offset_den) - priv->bios_sensor.offset_den = 1; - /* enforce a minimum hysteresis on thresholds */ s->thrs_fan_boost.hysteresis = max_t(u8, s->thrs_fan_boost.hysteresis, 2); s->thrs_down_clock.hysteresis = max_t(u8, s->thrs_down_clock.hysteresis, 2); @@ -106,16 +97,16 @@ void nouveau_therm_sensor_event(struct nouveau_therm *therm, const char *thresolds[] = { "fanboost", "downclock", "critical", "shutdown" }; - uint8_t temperature = therm->temp_get(therm); + int temperature = therm->temp_get(therm); if (thrs < 0 || thrs > 3) return; if (dir == NOUVEAU_THERM_THRS_FALLING) - nv_info(therm, "temperature (%u C) went below the '%s' threshold\n", + nv_info(therm, "temperature (%i C) went below the '%s' threshold\n", temperature, thresolds[thrs]); else - nv_info(therm, "temperature (%u C) hit the '%s' threshold\n", + nv_info(therm, "temperature (%i C) hit the '%s' threshold\n", temperature, thresolds[thrs]); active = (dir == NOUVEAU_THERM_THRS_RISING); @@ -123,7 +114,7 @@ void nouveau_therm_sensor_event(struct nouveau_therm *therm, case NOUVEAU_THERM_THRS_FANBOOST: if (active) { nouveau_therm_fan_set(therm, true, 100); - nouveau_therm_mode(therm, NOUVEAU_THERM_CTRL_AUTO); + nouveau_therm_fan_mode(therm, NOUVEAU_THERM_CTRL_AUTO); } break; case NOUVEAU_THERM_THRS_DOWNCLOCK: @@ -202,7 +193,7 @@ alarm_timer_callback(struct nouveau_alarm *alarm) NOUVEAU_THERM_THRS_SHUTDOWN); /* schedule the next poll in one second */ - if (list_empty(&alarm->head)) + if (therm->temp_get(therm) >= 0 && list_empty(&alarm->head)) ptimer->alarm(ptimer, 1000 * 1000 * 1000, alarm); spin_unlock_irqrestore(&priv->sensor.alarm_program_lock, flags); @@ -225,6 +216,17 @@ nouveau_therm_program_alarms_polling(struct nouveau_therm *therm) alarm_timer_callback(&priv->sensor.therm_poll_alarm); } +void +nouveau_therm_sensor_preinit(struct nouveau_therm *therm) +{ + const char *sensor_avail = "yes"; + + if (therm->temp_get(therm) < 0) + sensor_avail = "no"; + + nv_info(therm, "internal sensor: %s\n", sensor_avail); +} + int nouveau_therm_sensor_ctor(struct nouveau_therm *therm) { diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c index bb54098..936b442 100644 --- a/drivers/gpu/drm/nouveau/nouveau_pm.c +++ b/drivers/gpu/drm/nouveau/nouveau_pm.c @@ -402,8 +402,12 @@ nouveau_hwmon_show_temp(struct device *d, struct device_attribute *a, char *buf) struct drm_device *dev = dev_get_drvdata(d); struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_therm *therm = nouveau_therm(drm->device); + int temp = therm->temp_get(therm); - return snprintf(buf, PAGE_SIZE, "%d\n", therm->temp_get(therm) * 1000); + if (temp < 0) + return temp; + + return snprintf(buf, PAGE_SIZE, "%d\n", temp * 1000); } static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, nouveau_hwmon_show_temp, NULL, 0); @@ -871,7 +875,12 @@ static SENSOR_DEVICE_ATTR(pwm1_max, S_IRUGO | S_IWUSR, nouveau_hwmon_get_pwm1_max, nouveau_hwmon_set_pwm1_max, 0); -static struct attribute *hwmon_attributes[] = { +static struct attribute *hwmon_default_attributes[] = { + &sensor_dev_attr_name.dev_attr.attr, + &sensor_dev_attr_update_rate.dev_attr.attr, + NULL +}; +static struct attribute *hwmon_temp_attributes[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_auto_point1_pwm.dev_attr.attr, &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, @@ -882,8 +891,6 @@ static struct attribute *hwmon_attributes[] = { &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, &sensor_dev_attr_temp1_emergency.dev_attr.attr, &sensor_dev_attr_temp1_emergency_hyst.dev_attr.attr, - &sensor_dev_attr_name.dev_attr.attr, - &sensor_dev_attr_update_rate.dev_attr.attr, NULL }; static struct attribute *hwmon_fan_rpm_attributes[] = { @@ -898,8 +905,11 @@ static struct attribute *hwmon_pwm_fan_attributes[] = { NULL }; -static const struct attribute_group hwmon_attrgroup = { - .attrs = hwmon_attributes, +static const struct attribute_group hwmon_default_attrgroup = { + .attrs = hwmon_default_attributes, +}; +static const struct attribute_group hwmon_temp_attrgroup = { + .attrs = hwmon_temp_attributes, }; static const struct attribute_group hwmon_fan_rpm_attrgroup = { .attrs = hwmon_fan_rpm_attributes, @@ -931,13 +941,22 @@ nouveau_hwmon_init(struct drm_device *dev) } dev_set_drvdata(hwmon_dev, dev); - /* default sysfs entries */ - ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_attrgroup); + /* set the default attributes */ + ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_default_attrgroup); if (ret) { if (ret) goto error; } + /* if the card has a working thermal sensor */ + if (therm->temp_get(therm) >= 0) { + ret = sysfs_create_group(&hwmon_dev->kobj, &hwmon_temp_attrgroup); + if (ret) { + if (ret) + goto error; + } + } + /* if the card has a pwm fan */ /*XXX: incorrect, need better detection for this, some boards have * the gpio entries for pwm fan control even when there's no @@ -979,11 +998,10 @@ nouveau_hwmon_fini(struct drm_device *dev) struct nouveau_pm *pm = nouveau_pm(dev); if (pm->hwmon) { - sysfs_remove_group(&pm->hwmon->kobj, &hwmon_attrgroup); - sysfs_remove_group(&pm->hwmon->kobj, - &hwmon_pwm_fan_attrgroup); - sysfs_remove_group(&pm->hwmon->kobj, - &hwmon_fan_rpm_attrgroup); + sysfs_remove_group(&pm->hwmon->kobj, &hwmon_default_attrgroup); + sysfs_remove_group(&pm->hwmon->kobj, &hwmon_temp_attrgroup); + sysfs_remove_group(&pm->hwmon->kobj, &hwmon_pwm_fan_attrgroup); + sysfs_remove_group(&pm->hwmon->kobj, &hwmon_fan_rpm_attrgroup); hwmon_device_unregister(pm->hwmon); } diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 2db5799..7f0e6c3 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -524,6 +524,8 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, swap_interval <<= 4; if (swap_interval == 0) swap_interval |= 0x100; + if (chan == NULL) + evo_sync(crtc->dev); push = evo_wait(sync, 128); if (unlikely(push == NULL)) @@ -586,8 +588,6 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, sync->addr ^= 0x10; sync->data++; FIRE_RING (chan); - } else { - evo_sync(crtc->dev); } /* queue the flip */ diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index d4c633e1..27769e7 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -468,13 +468,19 @@ static void cayman_gpu_init(struct radeon_device *rdev) (rdev->pdev->device == 0x9907) || (rdev->pdev->device == 0x9908) || (rdev->pdev->device == 0x9909) || + (rdev->pdev->device == 0x990B) || + (rdev->pdev->device == 0x990C) || + (rdev->pdev->device == 0x990F) || (rdev->pdev->device == 0x9910) || - (rdev->pdev->device == 0x9917)) { + (rdev->pdev->device == 0x9917) || + (rdev->pdev->device == 0x9999)) { rdev->config.cayman.max_simds_per_se = 6; rdev->config.cayman.max_backends_per_se = 2; } else if ((rdev->pdev->device == 0x9903) || (rdev->pdev->device == 0x9904) || (rdev->pdev->device == 0x990A) || + (rdev->pdev->device == 0x990D) || + (rdev->pdev->device == 0x990E) || (rdev->pdev->device == 0x9913) || (rdev->pdev->device == 0x9918)) { rdev->config.cayman.max_simds_per_se = 4; @@ -483,6 +489,9 @@ static void cayman_gpu_init(struct radeon_device *rdev) (rdev->pdev->device == 0x9990) || (rdev->pdev->device == 0x9991) || (rdev->pdev->device == 0x9994) || + (rdev->pdev->device == 0x9995) || + (rdev->pdev->device == 0x9996) || + (rdev->pdev->device == 0x999A) || (rdev->pdev->device == 0x99A0)) { rdev->config.cayman.max_simds_per_se = 3; rdev->config.cayman.max_backends_per_se = 1; @@ -616,11 +625,22 @@ static void cayman_gpu_init(struct radeon_device *rdev) WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config); WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config); - tmp = gb_addr_config & NUM_PIPES_MASK; - tmp = r6xx_remap_render_backend(rdev, tmp, - rdev->config.cayman.max_backends_per_se * - rdev->config.cayman.max_shader_engines, - CAYMAN_MAX_BACKENDS, disabled_rb_mask); + if ((rdev->config.cayman.max_backends_per_se == 1) && + (rdev->flags & RADEON_IS_IGP)) { + if ((disabled_rb_mask & 3) == 1) { + /* RB0 disabled, RB1 enabled */ + tmp = 0x11111111; + } else { + /* RB1 disabled, RB0 enabled */ + tmp = 0x00000000; + } + } else { + tmp = gb_addr_config & NUM_PIPES_MASK; + tmp = r6xx_remap_render_backend(rdev, tmp, + rdev->config.cayman.max_backends_per_se * + rdev->config.cayman.max_shader_engines, + CAYMAN_MAX_BACKENDS, disabled_rb_mask); + } WREG32(GB_BACKEND_MAP, tmp); cgts_tcc_disable = 0xffff0000; @@ -1771,6 +1791,7 @@ int cayman_resume(struct radeon_device *rdev) int cayman_suspend(struct radeon_device *rdev) { r600_audio_fini(rdev); + radeon_vm_manager_fini(rdev); cayman_cp_enable(rdev, false); cayman_dma_stop(rdev); evergreen_irq_suspend(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c b/drivers/gpu/drm/radeon/radeon_benchmark.c index bedda9c..6e05a2e 100644 --- a/drivers/gpu/drm/radeon/radeon_benchmark.c +++ b/drivers/gpu/drm/radeon/radeon_benchmark.c @@ -122,10 +122,7 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size, goto out_cleanup; } - /* r100 doesn't have dma engine so skip the test */ - /* also, VRAM-to-VRAM test doesn't make much sense for DMA */ - /* skip it as well if domains are the same */ - if ((rdev->asic->copy.dma) && (sdomain != ddomain)) { + if (rdev->asic->copy.dma) { time = radeon_benchmark_do_move(rdev, size, saddr, daddr, RADEON_BENCHMARK_COPY_DMA, n); if (time < 0) @@ -135,13 +132,15 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size, sdomain, ddomain, "dma"); } - time = radeon_benchmark_do_move(rdev, size, saddr, daddr, - RADEON_BENCHMARK_COPY_BLIT, n); - if (time < 0) - goto out_cleanup; - if (time > 0) - radeon_benchmark_log_results(n, size, time, - sdomain, ddomain, "blit"); + if (rdev->asic->copy.blit) { + time = radeon_benchmark_do_move(rdev, size, saddr, daddr, + RADEON_BENCHMARK_COPY_BLIT, n); + if (time < 0) + goto out_cleanup; + if (time > 0) + radeon_benchmark_log_results(n, size, time, + sdomain, ddomain, "blit"); + } out_cleanup: if (sobj) { diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 9128120..bafbe32 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -4469,6 +4469,7 @@ int si_resume(struct radeon_device *rdev) int si_suspend(struct radeon_device *rdev) { + radeon_vm_manager_fini(rdev); si_cp_enable(rdev, false); cayman_dma_stop(rdev); si_irq_suspend(rdev); diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index e9205ee..130f02c 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -80,6 +80,7 @@ /* PCI DIDs for the Intel SMBus Message Transport (SMT) Devices */ #define PCI_DEVICE_ID_INTEL_S1200_SMT0 0x0c59 #define PCI_DEVICE_ID_INTEL_S1200_SMT1 0x0c5a +#define PCI_DEVICE_ID_INTEL_AVOTON_SMT 0x1f15 #define ISMT_DESC_ENTRIES 32 /* number of descriptor entries */ #define ISMT_MAX_RETRIES 3 /* number of SMBus retries to attempt */ @@ -185,6 +186,7 @@ struct ismt_priv { static const DEFINE_PCI_DEVICE_TABLE(ismt_ids) = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT0) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT1) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_AVOTON_SMT) }, { 0, } }; diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 36704e3..b714776 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -411,7 +411,11 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev) int clk_multiplier = I2C_CLK_MULTIPLIER_STD_FAST_MODE; u32 clk_divisor; - tegra_i2c_clock_enable(i2c_dev); + err = tegra_i2c_clock_enable(i2c_dev); + if (err < 0) { + dev_err(i2c_dev->dev, "Clock enable failed %d\n", err); + return err; + } tegra_periph_reset_assert(i2c_dev->div_clk); udelay(2); @@ -628,7 +632,12 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], if (i2c_dev->is_suspended) return -EBUSY; - tegra_i2c_clock_enable(i2c_dev); + ret = tegra_i2c_clock_enable(i2c_dev); + if (ret < 0) { + dev_err(i2c_dev->dev, "Clock enable failed %d\n", ret); + return ret; + } + for (i = 0; i < num; i++) { enum msg_end_type end_type = MSG_END_STOP; if (i < (num - 1)) { diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c index f3b8f9a..966a18a 100644 --- a/drivers/i2c/muxes/i2c-mux-pca9541.c +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c @@ -3,7 +3,7 @@ * * Copyright (c) 2010 Ericsson AB. * - * Author: Guenter Roeck <guenter.roeck@ericsson.com> + * Author: Guenter Roeck <linux@roeck-us.net> * * Derived from: * pca954x.c diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 9fe6f1e..5b059e2 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -194,8 +194,10 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, wq->rq.queue = dma_alloc_coherent(&(rdev->lldi.pdev->dev), wq->rq.memsize, &(wq->rq.dma_addr), GFP_KERNEL); - if (!wq->rq.queue) + if (!wq->rq.queue) { + ret = -ENOMEM; goto free_sq; + } PDBG("%s sq base va 0x%p pa 0x%llx rq base va 0x%p pa 0x%llx\n", __func__, wq->sq.queue, (unsigned long long)virt_to_phys(wq->sq.queue), diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 439c35d..ea93870 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -620,7 +620,7 @@ void ipath_ib_rcv(struct ipath_ibdev *dev, void *rhdr, void *data, goto bail; } - opcode = be32_to_cpu(ohdr->bth[0]) >> 24; + opcode = (be32_to_cpu(ohdr->bth[0]) >> 24) & 0x7f; dev->opstats[opcode].n_bytes += tlen; dev->opstats[opcode].n_packets++; diff --git a/drivers/infiniband/hw/qib/Kconfig b/drivers/infiniband/hw/qib/Kconfig index 8349f9c..1e603a3 100644 --- a/drivers/infiniband/hw/qib/Kconfig +++ b/drivers/infiniband/hw/qib/Kconfig @@ -1,7 +1,7 @@ config INFINIBAND_QIB - tristate "QLogic PCIe HCA support" + tristate "Intel PCIe HCA support" depends on 64BIT ---help--- - This is a low-level driver for QLogic PCIe QLE InfiniBand host - channel adapters. This driver does not support the QLogic + This is a low-level driver for Intel PCIe QLE InfiniBand host + channel adapters. This driver does not support the Intel HyperTransport card (model QHT7140). diff --git a/drivers/infiniband/hw/qib/qib_driver.c b/drivers/infiniband/hw/qib/qib_driver.c index 5423edc..2160924 100644 --- a/drivers/infiniband/hw/qib/qib_driver.c +++ b/drivers/infiniband/hw/qib/qib_driver.c @@ -1,4 +1,5 @@ /* + * Copyright (c) 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006, 2007, 2008, 2009 QLogic Corporation. All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. * @@ -63,8 +64,8 @@ MODULE_PARM_DESC(compat_ddr_negotiate, "Attempt pre-IBTA 1.2 DDR speed negotiation"); MODULE_LICENSE("Dual BSD/GPL"); -MODULE_AUTHOR("QLogic <support@qlogic.com>"); -MODULE_DESCRIPTION("QLogic IB driver"); +MODULE_AUTHOR("Intel <ibsupport@intel.com>"); +MODULE_DESCRIPTION("Intel IB driver"); MODULE_VERSION(QIB_DRIVER_VERSION); /* diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c index a099ac1..0232ae5 100644 --- a/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/drivers/infiniband/hw/qib/qib_iba6120.c @@ -1,4 +1,5 @@ /* + * Copyright (c) 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation. * All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. @@ -51,7 +52,7 @@ static u32 qib_6120_iblink_state(u64); /* * This file contains all the chip-specific register information and - * access functions for the QLogic QLogic_IB PCI-Express chip. + * access functions for the Intel Intel_IB PCI-Express chip. * */ diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c index 50e33aa0..173f805 100644 --- a/drivers/infiniband/hw/qib/qib_init.c +++ b/drivers/infiniband/hw/qib/qib_init.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012 Intel Corporation. All rights reserved. + * Copyright (c) 2012, 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. * @@ -1138,7 +1138,7 @@ void qib_disable_after_error(struct qib_devdata *dd) static void qib_remove_one(struct pci_dev *); static int qib_init_one(struct pci_dev *, const struct pci_device_id *); -#define DRIVER_LOAD_MSG "QLogic " QIB_DRV_NAME " loaded: " +#define DRIVER_LOAD_MSG "Intel " QIB_DRV_NAME " loaded: " #define PFX QIB_DRV_NAME ": " static DEFINE_PCI_DEVICE_TABLE(qib_pci_tbl) = { @@ -1355,7 +1355,7 @@ static int qib_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dd = qib_init_iba6120_funcs(pdev, ent); #else qib_early_err(&pdev->dev, - "QLogic PCIE device 0x%x cannot work if CONFIG_PCI_MSI is not enabled\n", + "Intel PCIE device 0x%x cannot work if CONFIG_PCI_MSI is not enabled\n", ent->device); dd = ERR_PTR(-ENODEV); #endif @@ -1371,7 +1371,7 @@ static int qib_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) default: qib_early_err(&pdev->dev, - "Failing on unknown QLogic deviceid 0x%x\n", + "Failing on unknown Intel deviceid 0x%x\n", ent->device); ret = -ENODEV; } diff --git a/drivers/infiniband/hw/qib/qib_sd7220.c b/drivers/infiniband/hw/qib/qib_sd7220.c index 50a8a0d..08a6c6d 100644 --- a/drivers/infiniband/hw/qib/qib_sd7220.c +++ b/drivers/infiniband/hw/qib/qib_sd7220.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012 Intel Corporation. All rights reserved. + * Copyright (c) 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. * @@ -44,7 +44,7 @@ #include "qib.h" #include "qib_7220.h" -#define SD7220_FW_NAME "qlogic/sd7220.fw" +#define SD7220_FW_NAME "intel/sd7220.fw" MODULE_FIRMWARE(SD7220_FW_NAME); /* diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index ba51a47..7c0ab16 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012 Intel Corporation. All rights reserved. + * Copyright (c) 2012, 2013 Intel Corporation. All rights reserved. * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. * @@ -2224,7 +2224,7 @@ int qib_register_ib_device(struct qib_devdata *dd) ibdev->dma_ops = &qib_dma_mapping_ops; snprintf(ibdev->node_desc, sizeof(ibdev->node_desc), - "QLogic Infiniband HCA %s", init_utsname()->nodename); + "Intel Infiniband HCA %s", init_utsname()->nodename); ret = ib_register_device(ibdev, qib_create_port_files); if (ret) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 67b0c1d..1ef880d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -758,9 +758,13 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ if (++priv->tx_outstanding == ipoib_sendq_size) { ipoib_dbg(priv, "TX ring 0x%x full, stopping kernel net queue\n", tx->qp->qp_num); - if (ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP)) - ipoib_warn(priv, "request notify on send CQ failed\n"); netif_stop_queue(dev); + rc = ib_req_notify_cq(priv->send_cq, + IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS); + if (rc < 0) + ipoib_warn(priv, "request notify on send CQ failed\n"); + else if (rc) + ipoib_send_comp_handler(priv->send_cq, dev); } } } diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 5c514d07..c332fb9 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -130,7 +130,7 @@ config IRQ_REMAP # OMAP IOMMU support config OMAP_IOMMU bool "OMAP IOMMU Support" - depends on ARCH_OMAP + depends on ARCH_OMAP2PLUS select IOMMU_API config OMAP_IOVMM diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 98f555d..b287ca3 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2466,18 +2466,16 @@ static int device_change_notifier(struct notifier_block *nb, /* allocate a protection domain if a device is added */ dma_domain = find_protection_domain(devid); - if (dma_domain) - goto out; - dma_domain = dma_ops_domain_alloc(); - if (!dma_domain) - goto out; - dma_domain->target_dev = devid; - - spin_lock_irqsave(&iommu_pd_list_lock, flags); - list_add_tail(&dma_domain->list, &iommu_pd_list); - spin_unlock_irqrestore(&iommu_pd_list_lock, flags); - - dev_data = get_dev_data(dev); + if (!dma_domain) { + dma_domain = dma_ops_domain_alloc(); + if (!dma_domain) + goto out; + dma_domain->target_dev = devid; + + spin_lock_irqsave(&iommu_pd_list_lock, flags); + list_add_tail(&dma_domain->list, &iommu_pd_list); + spin_unlock_irqrestore(&iommu_pd_list_lock, flags); + } dev->archdata.dma_ops = &amd_iommu_dma_ops; diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index b6ecddb..e3c2d74 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -980,7 +980,7 @@ static void __init free_iommu_all(void) * BIOS should disable L2B micellaneous clock gating by setting * L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b */ -static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu) +static void amd_iommu_erratum_746_workaround(struct amd_iommu *iommu) { u32 value; diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index d56f8c1..7c11ff3 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -2,7 +2,6 @@ #include <linux/cpumask.h> #include <linux/kernel.h> #include <linux/string.h> -#include <linux/cpumask.h> #include <linux/errno.h> #include <linux/msi.h> #include <linux/irq.h> diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 3c955e1..c608313 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1025,6 +1025,8 @@ void dm_bufio_prefetch(struct dm_bufio_client *c, { struct blk_plug plug; + BUG_ON(dm_bufio_in_request()); + blk_start_plug(&plug); dm_bufio_lock(c); diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index fbd3625..83e995f 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -83,6 +83,8 @@ struct cache_disk_superblock { __le32 read_misses; __le32 write_hits; __le32 write_misses; + + __le32 policy_version[CACHE_POLICY_VERSION_SIZE]; } __packed; struct dm_cache_metadata { @@ -109,6 +111,7 @@ struct dm_cache_metadata { bool clean_when_opened:1; char policy_name[CACHE_POLICY_NAME_SIZE]; + unsigned policy_version[CACHE_POLICY_VERSION_SIZE]; size_t policy_hint_size; struct dm_cache_statistics stats; }; @@ -268,7 +271,8 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd) memset(disk_super->uuid, 0, sizeof(disk_super->uuid)); disk_super->magic = cpu_to_le64(CACHE_SUPERBLOCK_MAGIC); disk_super->version = cpu_to_le32(CACHE_VERSION); - memset(disk_super->policy_name, 0, CACHE_POLICY_NAME_SIZE); + memset(disk_super->policy_name, 0, sizeof(disk_super->policy_name)); + memset(disk_super->policy_version, 0, sizeof(disk_super->policy_version)); disk_super->policy_hint_size = 0; r = dm_sm_copy_root(cmd->metadata_sm, &disk_super->metadata_space_map_root, @@ -284,7 +288,6 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd) disk_super->metadata_block_size = cpu_to_le32(DM_CACHE_METADATA_BLOCK_SIZE >> SECTOR_SHIFT); disk_super->data_block_size = cpu_to_le32(cmd->data_block_size); disk_super->cache_blocks = cpu_to_le32(0); - memset(disk_super->policy_name, 0, sizeof(disk_super->policy_name)); disk_super->read_hits = cpu_to_le32(0); disk_super->read_misses = cpu_to_le32(0); @@ -478,6 +481,9 @@ static void read_superblock_fields(struct dm_cache_metadata *cmd, cmd->data_block_size = le32_to_cpu(disk_super->data_block_size); cmd->cache_blocks = to_cblock(le32_to_cpu(disk_super->cache_blocks)); strncpy(cmd->policy_name, disk_super->policy_name, sizeof(cmd->policy_name)); + cmd->policy_version[0] = le32_to_cpu(disk_super->policy_version[0]); + cmd->policy_version[1] = le32_to_cpu(disk_super->policy_version[1]); + cmd->policy_version[2] = le32_to_cpu(disk_super->policy_version[2]); cmd->policy_hint_size = le32_to_cpu(disk_super->policy_hint_size); cmd->stats.read_hits = le32_to_cpu(disk_super->read_hits); @@ -572,6 +578,9 @@ static int __commit_transaction(struct dm_cache_metadata *cmd, disk_super->discard_nr_blocks = cpu_to_le64(from_dblock(cmd->discard_nr_blocks)); disk_super->cache_blocks = cpu_to_le32(from_cblock(cmd->cache_blocks)); strncpy(disk_super->policy_name, cmd->policy_name, sizeof(disk_super->policy_name)); + disk_super->policy_version[0] = cpu_to_le32(cmd->policy_version[0]); + disk_super->policy_version[1] = cpu_to_le32(cmd->policy_version[1]); + disk_super->policy_version[2] = cpu_to_le32(cmd->policy_version[2]); disk_super->read_hits = cpu_to_le32(cmd->stats.read_hits); disk_super->read_misses = cpu_to_le32(cmd->stats.read_misses); @@ -854,18 +863,43 @@ struct thunk { bool hints_valid; }; +static bool policy_unchanged(struct dm_cache_metadata *cmd, + struct dm_cache_policy *policy) +{ + const char *policy_name = dm_cache_policy_get_name(policy); + const unsigned *policy_version = dm_cache_policy_get_version(policy); + size_t policy_hint_size = dm_cache_policy_get_hint_size(policy); + + /* + * Ensure policy names match. + */ + if (strncmp(cmd->policy_name, policy_name, sizeof(cmd->policy_name))) + return false; + + /* + * Ensure policy major versions match. + */ + if (cmd->policy_version[0] != policy_version[0]) + return false; + + /* + * Ensure policy hint sizes match. + */ + if (cmd->policy_hint_size != policy_hint_size) + return false; + + return true; +} + static bool hints_array_initialized(struct dm_cache_metadata *cmd) { return cmd->hint_root && cmd->policy_hint_size; } static bool hints_array_available(struct dm_cache_metadata *cmd, - const char *policy_name) + struct dm_cache_policy *policy) { - bool policy_names_match = !strncmp(cmd->policy_name, policy_name, - sizeof(cmd->policy_name)); - - return cmd->clean_when_opened && policy_names_match && + return cmd->clean_when_opened && policy_unchanged(cmd, policy) && hints_array_initialized(cmd); } @@ -899,7 +933,8 @@ static int __load_mapping(void *context, uint64_t cblock, void *leaf) return r; } -static int __load_mappings(struct dm_cache_metadata *cmd, const char *policy_name, +static int __load_mappings(struct dm_cache_metadata *cmd, + struct dm_cache_policy *policy, load_mapping_fn fn, void *context) { struct thunk thunk; @@ -909,18 +944,19 @@ static int __load_mappings(struct dm_cache_metadata *cmd, const char *policy_nam thunk.cmd = cmd; thunk.respect_dirty_flags = cmd->clean_when_opened; - thunk.hints_valid = hints_array_available(cmd, policy_name); + thunk.hints_valid = hints_array_available(cmd, policy); return dm_array_walk(&cmd->info, cmd->root, __load_mapping, &thunk); } -int dm_cache_load_mappings(struct dm_cache_metadata *cmd, const char *policy_name, +int dm_cache_load_mappings(struct dm_cache_metadata *cmd, + struct dm_cache_policy *policy, load_mapping_fn fn, void *context) { int r; down_read(&cmd->root_lock); - r = __load_mappings(cmd, policy_name, fn, context); + r = __load_mappings(cmd, policy, fn, context); up_read(&cmd->root_lock); return r; @@ -979,7 +1015,7 @@ static int __dirty(struct dm_cache_metadata *cmd, dm_cblock_t cblock, bool dirty /* nothing to be done */ return 0; - value = pack_value(oblock, flags | (dirty ? M_DIRTY : 0)); + value = pack_value(oblock, (flags & ~M_DIRTY) | (dirty ? M_DIRTY : 0)); __dm_bless_for_disk(&value); r = dm_array_set_value(&cmd->info, cmd->root, from_cblock(cblock), @@ -1070,13 +1106,15 @@ static int begin_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *po __le32 value; size_t hint_size; const char *policy_name = dm_cache_policy_get_name(policy); + const unsigned *policy_version = dm_cache_policy_get_version(policy); if (!policy_name[0] || (strlen(policy_name) > sizeof(cmd->policy_name) - 1)) return -EINVAL; - if (strcmp(cmd->policy_name, policy_name)) { + if (!policy_unchanged(cmd, policy)) { strncpy(cmd->policy_name, policy_name, sizeof(cmd->policy_name)); + memcpy(cmd->policy_version, policy_version, sizeof(cmd->policy_version)); hint_size = dm_cache_policy_get_hint_size(policy); if (!hint_size) diff --git a/drivers/md/dm-cache-metadata.h b/drivers/md/dm-cache-metadata.h index 135864e..f45cef2 100644 --- a/drivers/md/dm-cache-metadata.h +++ b/drivers/md/dm-cache-metadata.h @@ -89,7 +89,7 @@ typedef int (*load_mapping_fn)(void *context, dm_oblock_t oblock, dm_cblock_t cblock, bool dirty, uint32_t hint, bool hint_valid); int dm_cache_load_mappings(struct dm_cache_metadata *cmd, - const char *policy_name, + struct dm_cache_policy *policy, load_mapping_fn fn, void *context); diff --git a/drivers/md/dm-cache-policy-cleaner.c b/drivers/md/dm-cache-policy-cleaner.c index cc05d70..b04d1f9 100644 --- a/drivers/md/dm-cache-policy-cleaner.c +++ b/drivers/md/dm-cache-policy-cleaner.c @@ -17,7 +17,6 @@ /*----------------------------------------------------------------*/ #define DM_MSG_PREFIX "cache cleaner" -#define CLEANER_VERSION "1.0.0" /* Cache entry struct. */ struct wb_cache_entry { @@ -434,6 +433,7 @@ static struct dm_cache_policy *wb_create(dm_cblock_t cache_size, static struct dm_cache_policy_type wb_policy_type = { .name = "cleaner", + .version = {1, 0, 0}, .hint_size = 0, .owner = THIS_MODULE, .create = wb_create @@ -446,7 +446,10 @@ static int __init wb_init(void) if (r < 0) DMERR("register failed %d", r); else - DMINFO("version " CLEANER_VERSION " loaded"); + DMINFO("version %u.%u.%u loaded", + wb_policy_type.version[0], + wb_policy_type.version[1], + wb_policy_type.version[2]); return r; } diff --git a/drivers/md/dm-cache-policy-internal.h b/drivers/md/dm-cache-policy-internal.h index 52a75be..0928abd 100644 --- a/drivers/md/dm-cache-policy-internal.h +++ b/drivers/md/dm-cache-policy-internal.h @@ -117,6 +117,8 @@ void dm_cache_policy_destroy(struct dm_cache_policy *p); */ const char *dm_cache_policy_get_name(struct dm_cache_policy *p); +const unsigned *dm_cache_policy_get_version(struct dm_cache_policy *p); + size_t dm_cache_policy_get_hint_size(struct dm_cache_policy *p); /*----------------------------------------------------------------*/ diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c index 9641532..dc112a7 100644 --- a/drivers/md/dm-cache-policy-mq.c +++ b/drivers/md/dm-cache-policy-mq.c @@ -14,7 +14,6 @@ #include <linux/vmalloc.h> #define DM_MSG_PREFIX "cache-policy-mq" -#define MQ_VERSION "1.0.0" static struct kmem_cache *mq_entry_cache; @@ -1133,6 +1132,7 @@ bad_cache_alloc: static struct dm_cache_policy_type mq_policy_type = { .name = "mq", + .version = {1, 0, 0}, .hint_size = 4, .owner = THIS_MODULE, .create = mq_create @@ -1140,6 +1140,7 @@ static struct dm_cache_policy_type mq_policy_type = { static struct dm_cache_policy_type default_policy_type = { .name = "default", + .version = {1, 0, 0}, .hint_size = 4, .owner = THIS_MODULE, .create = mq_create @@ -1164,7 +1165,10 @@ static int __init mq_init(void) r = dm_cache_policy_register(&default_policy_type); if (!r) { - DMINFO("version " MQ_VERSION " loaded"); + DMINFO("version %u.%u.%u loaded", + mq_policy_type.version[0], + mq_policy_type.version[1], + mq_policy_type.version[2]); return 0; } diff --git a/drivers/md/dm-cache-policy.c b/drivers/md/dm-cache-policy.c index 2cbf5fd..21c03c5 100644 --- a/drivers/md/dm-cache-policy.c +++ b/drivers/md/dm-cache-policy.c @@ -150,6 +150,14 @@ const char *dm_cache_policy_get_name(struct dm_cache_policy *p) } EXPORT_SYMBOL_GPL(dm_cache_policy_get_name); +const unsigned *dm_cache_policy_get_version(struct dm_cache_policy *p) +{ + struct dm_cache_policy_type *t = p->private; + + return t->version; +} +EXPORT_SYMBOL_GPL(dm_cache_policy_get_version); + size_t dm_cache_policy_get_hint_size(struct dm_cache_policy *p) { struct dm_cache_policy_type *t = p->private; diff --git a/drivers/md/dm-cache-policy.h b/drivers/md/dm-cache-policy.h index f0f51b2..558bdfd 100644 --- a/drivers/md/dm-cache-policy.h +++ b/drivers/md/dm-cache-policy.h @@ -196,6 +196,7 @@ struct dm_cache_policy { * We maintain a little register of the different policy types. */ #define CACHE_POLICY_NAME_SIZE 16 +#define CACHE_POLICY_VERSION_SIZE 3 struct dm_cache_policy_type { /* For use by the register code only. */ @@ -206,6 +207,7 @@ struct dm_cache_policy_type { * what gets passed on the target line to select your policy. */ char name[CACHE_POLICY_NAME_SIZE]; + unsigned version[CACHE_POLICY_VERSION_SIZE]; /* * Policies may store a hint for each each cache block. diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 0f4e84b..66120bd 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -142,6 +142,7 @@ struct cache { spinlock_t lock; struct bio_list deferred_bios; struct bio_list deferred_flush_bios; + struct bio_list deferred_writethrough_bios; struct list_head quiesced_migrations; struct list_head completed_migrations; struct list_head need_commit_migrations; @@ -158,7 +159,7 @@ struct cache { /* * origin_blocks entries, discarded if set. */ - sector_t discard_block_size; /* a power of 2 times sectors per block */ + uint32_t discard_block_size; /* a power of 2 times sectors per block */ dm_dblock_t discard_nr_blocks; unsigned long *discard_bitset; @@ -199,6 +200,11 @@ struct per_bio_data { bool tick:1; unsigned req_nr:2; struct dm_deferred_entry *all_io_entry; + + /* writethrough fields */ + struct cache *cache; + dm_cblock_t cblock; + bio_end_io_t *saved_bi_end_io; }; struct dm_cache_migration { @@ -412,17 +418,24 @@ static bool block_size_is_power_of_two(struct cache *cache) return cache->sectors_per_block_shift >= 0; } +static dm_block_t block_div(dm_block_t b, uint32_t n) +{ + do_div(b, n); + + return b; +} + static dm_dblock_t oblock_to_dblock(struct cache *cache, dm_oblock_t oblock) { - sector_t discard_blocks = cache->discard_block_size; + uint32_t discard_blocks = cache->discard_block_size; dm_block_t b = from_oblock(oblock); if (!block_size_is_power_of_two(cache)) - (void) sector_div(discard_blocks, cache->sectors_per_block); + discard_blocks = discard_blocks / cache->sectors_per_block; else discard_blocks >>= cache->sectors_per_block_shift; - (void) sector_div(b, discard_blocks); + b = block_div(b, discard_blocks); return to_dblock(b); } @@ -609,6 +622,56 @@ static void issue(struct cache *cache, struct bio *bio) spin_unlock_irqrestore(&cache->lock, flags); } +static void defer_writethrough_bio(struct cache *cache, struct bio *bio) +{ + unsigned long flags; + + spin_lock_irqsave(&cache->lock, flags); + bio_list_add(&cache->deferred_writethrough_bios, bio); + spin_unlock_irqrestore(&cache->lock, flags); + + wake_worker(cache); +} + +static void writethrough_endio(struct bio *bio, int err) +{ + struct per_bio_data *pb = get_per_bio_data(bio); + bio->bi_end_io = pb->saved_bi_end_io; + + if (err) { + bio_endio(bio, err); + return; + } + + remap_to_cache(pb->cache, bio, pb->cblock); + + /* + * We can't issue this bio directly, since we're in interrupt + * context. So it get's put on a bio list for processing by the + * worker thread. + */ + defer_writethrough_bio(pb->cache, bio); +} + +/* + * When running in writethrough mode we need to send writes to clean blocks + * to both the cache and origin devices. In future we'd like to clone the + * bio and send them in parallel, but for now we're doing them in + * series as this is easier. + */ +static void remap_to_origin_then_cache(struct cache *cache, struct bio *bio, + dm_oblock_t oblock, dm_cblock_t cblock) +{ + struct per_bio_data *pb = get_per_bio_data(bio); + + pb->cache = cache; + pb->cblock = cblock; + pb->saved_bi_end_io = bio->bi_end_io; + bio->bi_end_io = writethrough_endio; + + remap_to_origin_clear_discard(pb->cache, bio, oblock); +} + /*---------------------------------------------------------------- * Migration processing * @@ -1002,7 +1065,7 @@ static void process_discard_bio(struct cache *cache, struct bio *bio) dm_block_t end_block = bio->bi_sector + bio_sectors(bio); dm_block_t b; - (void) sector_div(end_block, cache->discard_block_size); + end_block = block_div(end_block, cache->discard_block_size); for (b = start_block; b < end_block; b++) set_discard(cache, to_dblock(b)); @@ -1070,14 +1133,9 @@ static void process_bio(struct cache *cache, struct prealloc *structs, inc_hit_counter(cache, bio); pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); - if (is_writethrough_io(cache, bio, lookup_result.cblock)) { - /* - * No need to mark anything dirty in write through mode. - */ - pb->req_nr == 0 ? - remap_to_cache(cache, bio, lookup_result.cblock) : - remap_to_origin_clear_discard(cache, bio, block); - } else + if (is_writethrough_io(cache, bio, lookup_result.cblock)) + remap_to_origin_then_cache(cache, bio, block, lookup_result.cblock); + else remap_to_cache_dirty(cache, bio, block, lookup_result.cblock); issue(cache, bio); @@ -1086,17 +1144,8 @@ static void process_bio(struct cache *cache, struct prealloc *structs, case POLICY_MISS: inc_miss_counter(cache, bio); pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); - - if (pb->req_nr != 0) { - /* - * This is a duplicate writethrough io that is no - * longer needed because the block has been demoted. - */ - bio_endio(bio, 0); - } else { - remap_to_origin_clear_discard(cache, bio, block); - issue(cache, bio); - } + remap_to_origin_clear_discard(cache, bio, block); + issue(cache, bio); break; case POLICY_NEW: @@ -1217,6 +1266,23 @@ static void process_deferred_flush_bios(struct cache *cache, bool submit_bios) submit_bios ? generic_make_request(bio) : bio_io_error(bio); } +static void process_deferred_writethrough_bios(struct cache *cache) +{ + unsigned long flags; + struct bio_list bios; + struct bio *bio; + + bio_list_init(&bios); + + spin_lock_irqsave(&cache->lock, flags); + bio_list_merge(&bios, &cache->deferred_writethrough_bios); + bio_list_init(&cache->deferred_writethrough_bios); + spin_unlock_irqrestore(&cache->lock, flags); + + while ((bio = bio_list_pop(&bios))) + generic_make_request(bio); +} + static void writeback_some_dirty_blocks(struct cache *cache) { int r = 0; @@ -1313,6 +1379,7 @@ static int more_work(struct cache *cache) else return !bio_list_empty(&cache->deferred_bios) || !bio_list_empty(&cache->deferred_flush_bios) || + !bio_list_empty(&cache->deferred_writethrough_bios) || !list_empty(&cache->quiesced_migrations) || !list_empty(&cache->completed_migrations) || !list_empty(&cache->need_commit_migrations); @@ -1331,6 +1398,8 @@ static void do_worker(struct work_struct *ws) writeback_some_dirty_blocks(cache); + process_deferred_writethrough_bios(cache); + if (commit_if_needed(cache)) { process_deferred_flush_bios(cache, false); @@ -1756,8 +1825,11 @@ static int create_cache_policy(struct cache *cache, struct cache_args *ca, } r = set_config_values(cache->policy, ca->policy_argc, ca->policy_argv); - if (r) + if (r) { + *error = "Error setting cache policy's config values"; dm_cache_policy_destroy(cache->policy); + cache->policy = NULL; + } return r; } @@ -1793,8 +1865,6 @@ static sector_t calculate_discard_block_size(sector_t cache_block_size, #define DEFAULT_MIGRATION_THRESHOLD (2048 * 100) -static unsigned cache_num_write_bios(struct dm_target *ti, struct bio *bio); - static int cache_create(struct cache_args *ca, struct cache **result) { int r = 0; @@ -1821,9 +1891,6 @@ static int cache_create(struct cache_args *ca, struct cache **result) memcpy(&cache->features, &ca->features, sizeof(cache->features)); - if (cache->features.write_through) - ti->num_write_bios = cache_num_write_bios; - cache->callbacks.congested_fn = cache_is_congested; dm_table_add_target_callbacks(ti->table, &cache->callbacks); @@ -1835,7 +1902,7 @@ static int cache_create(struct cache_args *ca, struct cache **result) /* FIXME: factor out this whole section */ origin_blocks = cache->origin_sectors = ca->origin_sectors; - (void) sector_div(origin_blocks, ca->block_size); + origin_blocks = block_div(origin_blocks, ca->block_size); cache->origin_blocks = to_oblock(origin_blocks); cache->sectors_per_block = ca->block_size; @@ -1848,7 +1915,7 @@ static int cache_create(struct cache_args *ca, struct cache **result) dm_block_t cache_size = ca->cache_sectors; cache->sectors_per_block_shift = -1; - (void) sector_div(cache_size, ca->block_size); + cache_size = block_div(cache_size, ca->block_size); cache->cache_size = to_cblock(cache_size); } else { cache->sectors_per_block_shift = __ffs(ca->block_size); @@ -1873,6 +1940,7 @@ static int cache_create(struct cache_args *ca, struct cache **result) spin_lock_init(&cache->lock); bio_list_init(&cache->deferred_bios); bio_list_init(&cache->deferred_flush_bios); + bio_list_init(&cache->deferred_writethrough_bios); INIT_LIST_HEAD(&cache->quiesced_migrations); INIT_LIST_HEAD(&cache->completed_migrations); INIT_LIST_HEAD(&cache->need_commit_migrations); @@ -2002,6 +2070,8 @@ static int cache_ctr(struct dm_target *ti, unsigned argc, char **argv) goto out; r = cache_create(ca, &cache); + if (r) + goto out; r = copy_ctr_args(cache, argc - 3, (const char **)argv + 3); if (r) { @@ -2016,20 +2086,6 @@ out: return r; } -static unsigned cache_num_write_bios(struct dm_target *ti, struct bio *bio) -{ - int r; - struct cache *cache = ti->private; - dm_oblock_t block = get_bio_block(cache, bio); - dm_cblock_t cblock; - - r = policy_lookup(cache->policy, block, &cblock); - if (r < 0) - return 2; /* assume the worst */ - - return (!r && !is_dirty(cache, cblock)) ? 2 : 1; -} - static int cache_map(struct dm_target *ti, struct bio *bio) { struct cache *cache = ti->private; @@ -2097,18 +2153,12 @@ static int cache_map(struct dm_target *ti, struct bio *bio) inc_hit_counter(cache, bio); pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds); - if (is_writethrough_io(cache, bio, lookup_result.cblock)) { - /* - * No need to mark anything dirty in write through mode. - */ - pb->req_nr == 0 ? - remap_to_cache(cache, bio, lookup_result.cblock) : - remap_to_origin_clear_discard(cache, bio, block); - cell_defer(cache, cell, false); - } else { + if (is_writethrough_io(cache, bio, lookup_result.cblock)) + remap_to_origin_then_cache(cache, bio, block, lookup_result.cblock); + else remap_to_cache_dirty(cache, bio, block, lookup_result.cblock); - cell_defer(cache, cell, false); - } + + cell_defer(cache, cell, false); break; case POLICY_MISS: @@ -2319,8 +2369,7 @@ static int cache_preresume(struct dm_target *ti) } if (!cache->loaded_mappings) { - r = dm_cache_load_mappings(cache->cmd, - dm_cache_policy_get_name(cache->policy), + r = dm_cache_load_mappings(cache->cmd, cache->policy, load_mapping, cache); if (r) { DMERR("could not load cache mappings"); @@ -2535,7 +2584,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type cache_target = { .name = "cache", - .version = {1, 0, 0}, + .version = {1, 1, 0}, .module = THIS_MODULE, .ctr = cache_ctr, .dtr = cache_dtr, diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 009339d..004ad165 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1577,6 +1577,11 @@ static bool data_dev_supports_discard(struct pool_c *pt) return q && blk_queue_discard(q); } +static bool is_factor(sector_t block_size, uint32_t n) +{ + return !sector_div(block_size, n); +} + /* * If discard_passdown was enabled verify that the data device * supports discards. Disable discard_passdown if not. @@ -1602,7 +1607,7 @@ static void disable_passdown_if_not_supported(struct pool_c *pt) else if (data_limits->discard_granularity > block_size) reason = "discard granularity larger than a block"; - else if (block_size & (data_limits->discard_granularity - 1)) + else if (!is_factor(block_size, data_limits->discard_granularity)) reason = "discard granularity not a factor of block size"; if (reason) { @@ -2544,7 +2549,7 @@ static struct target_type pool_target = { .name = "thin-pool", .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE | DM_TARGET_IMMUTABLE, - .version = {1, 6, 1}, + .version = {1, 7, 0}, .module = THIS_MODULE, .ctr = pool_ctr, .dtr = pool_dtr, @@ -2831,7 +2836,7 @@ static int thin_iterate_devices(struct dm_target *ti, static struct target_type thin_target = { .name = "thin", - .version = {1, 7, 1}, + .version = {1, 8, 0}, .module = THIS_MODULE, .ctr = thin_ctr, .dtr = thin_dtr, diff --git a/drivers/md/dm-verity.c b/drivers/md/dm-verity.c index 6ad5383..a746f1d 100644 --- a/drivers/md/dm-verity.c +++ b/drivers/md/dm-verity.c @@ -93,6 +93,13 @@ struct dm_verity_io { */ }; +struct dm_verity_prefetch_work { + struct work_struct work; + struct dm_verity *v; + sector_t block; + unsigned n_blocks; +}; + static struct shash_desc *io_hash_desc(struct dm_verity *v, struct dm_verity_io *io) { return (struct shash_desc *)(io + 1); @@ -424,15 +431,18 @@ static void verity_end_io(struct bio *bio, int error) * The root buffer is not prefetched, it is assumed that it will be cached * all the time. */ -static void verity_prefetch_io(struct dm_verity *v, struct dm_verity_io *io) +static void verity_prefetch_io(struct work_struct *work) { + struct dm_verity_prefetch_work *pw = + container_of(work, struct dm_verity_prefetch_work, work); + struct dm_verity *v = pw->v; int i; for (i = v->levels - 2; i >= 0; i--) { sector_t hash_block_start; sector_t hash_block_end; - verity_hash_at_level(v, io->block, i, &hash_block_start, NULL); - verity_hash_at_level(v, io->block + io->n_blocks - 1, i, &hash_block_end, NULL); + verity_hash_at_level(v, pw->block, i, &hash_block_start, NULL); + verity_hash_at_level(v, pw->block + pw->n_blocks - 1, i, &hash_block_end, NULL); if (!i) { unsigned cluster = ACCESS_ONCE(dm_verity_prefetch_cluster); @@ -452,6 +462,25 @@ no_prefetch_cluster: dm_bufio_prefetch(v->bufio, hash_block_start, hash_block_end - hash_block_start + 1); } + + kfree(pw); +} + +static void verity_submit_prefetch(struct dm_verity *v, struct dm_verity_io *io) +{ + struct dm_verity_prefetch_work *pw; + + pw = kmalloc(sizeof(struct dm_verity_prefetch_work), + GFP_NOIO | __GFP_NORETRY | __GFP_NOMEMALLOC | __GFP_NOWARN); + + if (!pw) + return; + + INIT_WORK(&pw->work, verity_prefetch_io); + pw->v = v; + pw->block = io->block; + pw->n_blocks = io->n_blocks; + queue_work(v->verify_wq, &pw->work); } /* @@ -498,7 +527,7 @@ static int verity_map(struct dm_target *ti, struct bio *bio) memcpy(io->io_vec, bio_iovec(bio), io->io_vec_size * sizeof(struct bio_vec)); - verity_prefetch_io(v, io); + verity_submit_prefetch(v, io); generic_make_request(bio); @@ -858,7 +887,7 @@ bad: static struct target_type verity_target = { .name = "verity", - .version = {1, 1, 1}, + .version = {1, 2, 0}, .module = THIS_MODULE, .ctr = verity_ctr, .dtr = verity_dtr, diff --git a/drivers/md/md.c b/drivers/md/md.c index fcb878f..aeceedf 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7663,10 +7663,8 @@ static int remove_and_add_spares(struct mddev *mddev) removed++; } } - if (removed) - sysfs_notify(&mddev->kobj, NULL, - "degraded"); - + if (removed && mddev->kobj.sd) + sysfs_notify(&mddev->kobj, NULL, "degraded"); rdev_for_each(rdev, mddev) { if (rdev->raid_disk >= 0 && diff --git a/drivers/md/md.h b/drivers/md/md.h index eca59c3..d90fb1a 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -506,7 +506,7 @@ static inline char * mdname (struct mddev * mddev) static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev) { char nm[20]; - if (!test_bit(Replacement, &rdev->flags)) { + if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) { sprintf(nm, "rd%d", rdev->raid_disk); return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm); } else @@ -516,7 +516,7 @@ static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev) static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev) { char nm[20]; - if (!test_bit(Replacement, &rdev->flags)) { + if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) { sprintf(nm, "rd%d", rdev->raid_disk); sysfs_remove_link(&mddev->kobj, nm); } diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index c4f2813..b88757c 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -139,15 +139,8 @@ struct child { struct btree_node *n; }; -static struct dm_btree_value_type le64_type = { - .context = NULL, - .size = sizeof(__le64), - .inc = NULL, - .dec = NULL, - .equal = NULL -}; - -static int init_child(struct dm_btree_info *info, struct btree_node *parent, +static int init_child(struct dm_btree_info *info, struct dm_btree_value_type *vt, + struct btree_node *parent, unsigned index, struct child *result) { int r, inc; @@ -164,7 +157,7 @@ static int init_child(struct dm_btree_info *info, struct btree_node *parent, result->n = dm_block_data(result->block); if (inc) - inc_children(info->tm, result->n, &le64_type); + inc_children(info->tm, result->n, vt); *((__le64 *) value_ptr(parent, index)) = cpu_to_le64(dm_block_location(result->block)); @@ -236,7 +229,7 @@ static void __rebalance2(struct dm_btree_info *info, struct btree_node *parent, } static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info, - unsigned left_index) + struct dm_btree_value_type *vt, unsigned left_index) { int r; struct btree_node *parent; @@ -244,11 +237,11 @@ static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info, parent = dm_block_data(shadow_current(s)); - r = init_child(info, parent, left_index, &left); + r = init_child(info, vt, parent, left_index, &left); if (r) return r; - r = init_child(info, parent, left_index + 1, &right); + r = init_child(info, vt, parent, left_index + 1, &right); if (r) { exit_child(info, &left); return r; @@ -368,7 +361,7 @@ static void __rebalance3(struct dm_btree_info *info, struct btree_node *parent, } static int rebalance3(struct shadow_spine *s, struct dm_btree_info *info, - unsigned left_index) + struct dm_btree_value_type *vt, unsigned left_index) { int r; struct btree_node *parent = dm_block_data(shadow_current(s)); @@ -377,17 +370,17 @@ static int rebalance3(struct shadow_spine *s, struct dm_btree_info *info, /* * FIXME: fill out an array? */ - r = init_child(info, parent, left_index, &left); + r = init_child(info, vt, parent, left_index, &left); if (r) return r; - r = init_child(info, parent, left_index + 1, ¢er); + r = init_child(info, vt, parent, left_index + 1, ¢er); if (r) { exit_child(info, &left); return r; } - r = init_child(info, parent, left_index + 2, &right); + r = init_child(info, vt, parent, left_index + 2, &right); if (r) { exit_child(info, &left); exit_child(info, ¢er); @@ -434,7 +427,8 @@ static int get_nr_entries(struct dm_transaction_manager *tm, } static int rebalance_children(struct shadow_spine *s, - struct dm_btree_info *info, uint64_t key) + struct dm_btree_info *info, + struct dm_btree_value_type *vt, uint64_t key) { int i, r, has_left_sibling, has_right_sibling; uint32_t child_entries; @@ -472,13 +466,13 @@ static int rebalance_children(struct shadow_spine *s, has_right_sibling = i < (le32_to_cpu(n->header.nr_entries) - 1); if (!has_left_sibling) - r = rebalance2(s, info, i); + r = rebalance2(s, info, vt, i); else if (!has_right_sibling) - r = rebalance2(s, info, i - 1); + r = rebalance2(s, info, vt, i - 1); else - r = rebalance3(s, info, i - 1); + r = rebalance3(s, info, vt, i - 1); return r; } @@ -529,7 +523,7 @@ static int remove_raw(struct shadow_spine *s, struct dm_btree_info *info, if (le32_to_cpu(n->header.flags) & LEAF_NODE) return do_leaf(n, key, index); - r = rebalance_children(s, info, key); + r = rebalance_children(s, info, vt, key); if (r) break; @@ -550,6 +544,14 @@ static int remove_raw(struct shadow_spine *s, struct dm_btree_info *info, return r; } +static struct dm_btree_value_type le64_type = { + .context = NULL, + .size = sizeof(__le64), + .inc = NULL, + .dec = NULL, + .equal = NULL +}; + int dm_btree_remove(struct dm_btree_info *info, dm_block_t root, uint64_t *keys, dm_block_t *new_root) { diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 3ee2912..24909eb 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -671,9 +671,11 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s) bi->bi_next = NULL; if (rrdev) set_bit(R5_DOUBLE_LOCKED, &sh->dev[i].flags); - trace_block_bio_remap(bdev_get_queue(bi->bi_bdev), - bi, disk_devt(conf->mddev->gendisk), - sh->dev[i].sector); + + if (conf->mddev->gendisk) + trace_block_bio_remap(bdev_get_queue(bi->bi_bdev), + bi, disk_devt(conf->mddev->gendisk), + sh->dev[i].sector); generic_make_request(bi); } if (rrdev) { @@ -701,9 +703,10 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s) rbi->bi_io_vec[0].bv_offset = 0; rbi->bi_size = STRIPE_SIZE; rbi->bi_next = NULL; - trace_block_bio_remap(bdev_get_queue(rbi->bi_bdev), - rbi, disk_devt(conf->mddev->gendisk), - sh->dev[i].sector); + if (conf->mddev->gendisk) + trace_block_bio_remap(bdev_get_queue(rbi->bi_bdev), + rbi, disk_devt(conf->mddev->gendisk), + sh->dev[i].sector); generic_make_request(rbi); } if (!rdev && !rrdev) { @@ -2280,17 +2283,6 @@ schedule_reconstruction(struct stripe_head *sh, struct stripe_head_state *s, int level = conf->level; if (rcw) { - /* if we are not expanding this is a proper write request, and - * there will be bios with new data to be drained into the - * stripe cache - */ - if (!expand) { - sh->reconstruct_state = reconstruct_state_drain_run; - set_bit(STRIPE_OP_BIODRAIN, &s->ops_request); - } else - sh->reconstruct_state = reconstruct_state_run; - - set_bit(STRIPE_OP_RECONSTRUCT, &s->ops_request); for (i = disks; i--; ) { struct r5dev *dev = &sh->dev[i]; @@ -2303,6 +2295,21 @@ schedule_reconstruction(struct stripe_head *sh, struct stripe_head_state *s, s->locked++; } } + /* if we are not expanding this is a proper write request, and + * there will be bios with new data to be drained into the + * stripe cache + */ + if (!expand) { + if (!s->locked) + /* False alarm, nothing to do */ + return; + sh->reconstruct_state = reconstruct_state_drain_run; + set_bit(STRIPE_OP_BIODRAIN, &s->ops_request); + } else + sh->reconstruct_state = reconstruct_state_run; + + set_bit(STRIPE_OP_RECONSTRUCT, &s->ops_request); + if (s->locked + conf->max_degraded == disks) if (!test_and_set_bit(STRIPE_FULL_WRITE, &sh->state)) atomic_inc(&conf->pending_full_writes); @@ -2311,11 +2318,6 @@ schedule_reconstruction(struct stripe_head *sh, struct stripe_head_state *s, BUG_ON(!(test_bit(R5_UPTODATE, &sh->dev[pd_idx].flags) || test_bit(R5_Wantcompute, &sh->dev[pd_idx].flags))); - sh->reconstruct_state = reconstruct_state_prexor_drain_run; - set_bit(STRIPE_OP_PREXOR, &s->ops_request); - set_bit(STRIPE_OP_BIODRAIN, &s->ops_request); - set_bit(STRIPE_OP_RECONSTRUCT, &s->ops_request); - for (i = disks; i--; ) { struct r5dev *dev = &sh->dev[i]; if (i == pd_idx) @@ -2330,6 +2332,13 @@ schedule_reconstruction(struct stripe_head *sh, struct stripe_head_state *s, s->locked++; } } + if (!s->locked) + /* False alarm - nothing to do */ + return; + sh->reconstruct_state = reconstruct_state_prexor_drain_run; + set_bit(STRIPE_OP_PREXOR, &s->ops_request); + set_bit(STRIPE_OP_BIODRAIN, &s->ops_request); + set_bit(STRIPE_OP_RECONSTRUCT, &s->ops_request); } /* keep the parity disk(s) locked while asynchronous operations @@ -2564,6 +2573,8 @@ handle_failed_sync(struct r5conf *conf, struct stripe_head *sh, int i; clear_bit(STRIPE_SYNCING, &sh->state); + if (test_and_clear_bit(R5_Overlap, &sh->dev[sh->pd_idx].flags)) + wake_up(&conf->wait_for_overlap); s->syncing = 0; s->replacing = 0; /* There is nothing more to do for sync/check/repair. @@ -2737,6 +2748,7 @@ static void handle_stripe_clean_event(struct r5conf *conf, { int i; struct r5dev *dev; + int discard_pending = 0; for (i = disks; i--; ) if (sh->dev[i].written) { @@ -2765,9 +2777,23 @@ static void handle_stripe_clean_event(struct r5conf *conf, STRIPE_SECTORS, !test_bit(STRIPE_DEGRADED, &sh->state), 0); - } - } else if (test_bit(R5_Discard, &sh->dev[i].flags)) - clear_bit(R5_Discard, &sh->dev[i].flags); + } else if (test_bit(R5_Discard, &dev->flags)) + discard_pending = 1; + } + if (!discard_pending && + test_bit(R5_Discard, &sh->dev[sh->pd_idx].flags)) { + clear_bit(R5_Discard, &sh->dev[sh->pd_idx].flags); + clear_bit(R5_UPTODATE, &sh->dev[sh->pd_idx].flags); + if (sh->qd_idx >= 0) { + clear_bit(R5_Discard, &sh->dev[sh->qd_idx].flags); + clear_bit(R5_UPTODATE, &sh->dev[sh->qd_idx].flags); + } + /* now that discard is done we can proceed with any sync */ + clear_bit(STRIPE_DISCARD, &sh->state); + if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state)) + set_bit(STRIPE_HANDLE, &sh->state); + + } if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state)) if (atomic_dec_and_test(&conf->pending_full_writes)) @@ -2826,8 +2852,10 @@ static void handle_stripe_dirtying(struct r5conf *conf, set_bit(STRIPE_HANDLE, &sh->state); if (rmw < rcw && rmw > 0) { /* prefer read-modify-write, but need to get some data */ - blk_add_trace_msg(conf->mddev->queue, "raid5 rmw %llu %d", - (unsigned long long)sh->sector, rmw); + if (conf->mddev->queue) + blk_add_trace_msg(conf->mddev->queue, + "raid5 rmw %llu %d", + (unsigned long long)sh->sector, rmw); for (i = disks; i--; ) { struct r5dev *dev = &sh->dev[i]; if ((dev->towrite || i == sh->pd_idx) && @@ -2877,7 +2905,7 @@ static void handle_stripe_dirtying(struct r5conf *conf, } } } - if (rcw) + if (rcw && conf->mddev->queue) blk_add_trace_msg(conf->mddev->queue, "raid5 rcw %llu %d %d %d", (unsigned long long)sh->sector, rcw, qread, test_bit(STRIPE_DELAYED, &sh->state)); @@ -3417,9 +3445,15 @@ static void handle_stripe(struct stripe_head *sh) return; } - if (test_and_clear_bit(STRIPE_SYNC_REQUESTED, &sh->state)) { - set_bit(STRIPE_SYNCING, &sh->state); - clear_bit(STRIPE_INSYNC, &sh->state); + if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state)) { + spin_lock(&sh->stripe_lock); + /* Cannot process 'sync' concurrently with 'discard' */ + if (!test_bit(STRIPE_DISCARD, &sh->state) && + test_and_clear_bit(STRIPE_SYNC_REQUESTED, &sh->state)) { + set_bit(STRIPE_SYNCING, &sh->state); + clear_bit(STRIPE_INSYNC, &sh->state); + } + spin_unlock(&sh->stripe_lock); } clear_bit(STRIPE_DELAYED, &sh->state); @@ -3579,6 +3613,8 @@ static void handle_stripe(struct stripe_head *sh) test_bit(STRIPE_INSYNC, &sh->state)) { md_done_sync(conf->mddev, STRIPE_SECTORS, 1); clear_bit(STRIPE_SYNCING, &sh->state); + if (test_and_clear_bit(R5_Overlap, &sh->dev[sh->pd_idx].flags)) + wake_up(&conf->wait_for_overlap); } /* If the failed drives are just a ReadError, then we might need @@ -3982,9 +4018,10 @@ static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) atomic_inc(&conf->active_aligned_reads); spin_unlock_irq(&conf->device_lock); - trace_block_bio_remap(bdev_get_queue(align_bi->bi_bdev), - align_bi, disk_devt(mddev->gendisk), - raid_bio->bi_sector); + if (mddev->gendisk) + trace_block_bio_remap(bdev_get_queue(align_bi->bi_bdev), + align_bi, disk_devt(mddev->gendisk), + raid_bio->bi_sector); generic_make_request(align_bi); return 1; } else { @@ -4078,7 +4115,8 @@ static void raid5_unplug(struct blk_plug_cb *blk_cb, bool from_schedule) } spin_unlock_irq(&conf->device_lock); } - trace_block_unplug(mddev->queue, cnt, !from_schedule); + if (mddev->queue) + trace_block_unplug(mddev->queue, cnt, !from_schedule); kfree(cb); } @@ -4141,6 +4179,13 @@ static void make_discard_request(struct mddev *mddev, struct bio *bi) sh = get_active_stripe(conf, logical_sector, 0, 0, 0); prepare_to_wait(&conf->wait_for_overlap, &w, TASK_UNINTERRUPTIBLE); + set_bit(R5_Overlap, &sh->dev[sh->pd_idx].flags); + if (test_bit(STRIPE_SYNCING, &sh->state)) { + release_stripe(sh); + schedule(); + goto again; + } + clear_bit(R5_Overlap, &sh->dev[sh->pd_idx].flags); spin_lock_irq(&sh->stripe_lock); for (d = 0; d < conf->raid_disks; d++) { if (d == sh->pd_idx || d == sh->qd_idx) @@ -4153,6 +4198,7 @@ static void make_discard_request(struct mddev *mddev, struct bio *bi) goto again; } } + set_bit(STRIPE_DISCARD, &sh->state); finish_wait(&conf->wait_for_overlap, &w); for (d = 0; d < conf->raid_disks; d++) { if (d == sh->pd_idx || d == sh->qd_idx) diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 18b2c4a..b0b663b 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -221,10 +221,6 @@ struct stripe_head { struct stripe_operations { int target, target2; enum sum_check_flags zero_sum_result; - #ifdef CONFIG_MULTICORE_RAID456 - unsigned long request; - wait_queue_head_t wait_for_ops; - #endif } ops; struct r5dev { /* rreq and rvec are used for the replacement device when @@ -323,6 +319,7 @@ enum { STRIPE_COMPUTE_RUN, STRIPE_OPS_REQ_PENDING, STRIPE_ON_UNPLUG_LIST, + STRIPE_DISCARD, }; /* diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 1c9e09f..db103e0 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -183,6 +183,11 @@ int bond_create_slave_symlinks(struct net_device *master, sprintf(linkname, "slave_%s", slave->name); ret = sysfs_create_link(&(master->dev.kobj), &(slave->dev.kobj), linkname); + + /* free the master link created earlier in case of error */ + if (ret) + sysfs_remove_link(&(slave->dev.kobj), "master"); + return ret; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index 5682054..91ecd6a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c @@ -2139,12 +2139,12 @@ static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap) break; default: BNX2X_ERR("Non valid capability ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "DCB disabled\n"); - rval = -EINVAL; + rval = 1; } DP(BNX2X_MSG_DCB, "capid %d:%x\n", capid, *cap); @@ -2170,12 +2170,12 @@ static int bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num) break; default: BNX2X_ERR("Non valid TC-ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "DCB disabled\n"); - rval = -EINVAL; + rval = 1; } return rval; @@ -2188,7 +2188,7 @@ static int bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num) return -EINVAL; } -static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) +static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev) { struct bnx2x *bp = netdev_priv(netdev); DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcbx_local_feat.pfc.enabled); @@ -2390,12 +2390,12 @@ static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid, break; default: BNX2X_ERR("Non valid featrue-ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "DCB disabled\n"); - rval = -EINVAL; + rval = 1; } return rval; @@ -2431,12 +2431,12 @@ static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid, break; default: BNX2X_ERR("Non valid featrue-ID\n"); - rval = -EINVAL; + rval = 1; break; } } else { DP(BNX2X_MSG_DCB, "dcbnl call not valid\n"); - rval = -EINVAL; + rval = 1; } return rval; diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index b64542a..12b1d84 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1818,27 +1818,32 @@ out: **/ void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf) { - u32 dtxswc; + u32 reg_val, reg_offset; switch (hw->mac.type) { case e1000_82576: + reg_offset = E1000_DTXSWC; + break; case e1000_i350: - dtxswc = rd32(E1000_DTXSWC); - if (enable) { - dtxswc |= (E1000_DTXSWC_MAC_SPOOF_MASK | - E1000_DTXSWC_VLAN_SPOOF_MASK); - /* The PF can spoof - it has to in order to - * support emulation mode NICs */ - dtxswc ^= (1 << pf | 1 << (pf + MAX_NUM_VFS)); - } else { - dtxswc &= ~(E1000_DTXSWC_MAC_SPOOF_MASK | - E1000_DTXSWC_VLAN_SPOOF_MASK); - } - wr32(E1000_DTXSWC, dtxswc); + reg_offset = E1000_TXSWC; break; default: - break; + return; + } + + reg_val = rd32(reg_offset); + if (enable) { + reg_val |= (E1000_DTXSWC_MAC_SPOOF_MASK | + E1000_DTXSWC_VLAN_SPOOF_MASK); + /* The PF can spoof - it has to in order to + * support emulation mode NICs + */ + reg_val ^= (1 << pf | 1 << (pf + MAX_NUM_VFS)); + } else { + reg_val &= ~(E1000_DTXSWC_MAC_SPOOF_MASK | + E1000_DTXSWC_VLAN_SPOOF_MASK); } + wr32(reg_offset, reg_val); } /** diff --git a/drivers/net/ethernet/intel/igb/igb_hwmon.c b/drivers/net/ethernet/intel/igb/igb_hwmon.c index 4623502..0478a1a 100644 --- a/drivers/net/ethernet/intel/igb/igb_hwmon.c +++ b/drivers/net/ethernet/intel/igb/igb_hwmon.c @@ -39,7 +39,7 @@ #include <linux/pci.h> #ifdef CONFIG_IGB_HWMON -struct i2c_board_info i350_sensor_info = { +static struct i2c_board_info i350_sensor_info = { I2C_BOARD_INFO("i350bb", (0Xf8 >> 1)), }; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 4dbd629..8496adf 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -2542,8 +2542,8 @@ static void igb_probe_vfs(struct igb_adapter *adapter) if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211)) return; - igb_enable_sriov(pdev, max_vfs); pci_sriov_set_totalvfs(pdev, 7); + igb_enable_sriov(pdev, max_vfs); #endif /* CONFIG_PCI_IOV */ } @@ -2652,7 +2652,7 @@ static int igb_sw_init(struct igb_adapter *adapter) if (max_vfs > 7) { dev_warn(&pdev->dev, "Maximum of 7 VFs per PF, using max\n"); - adapter->vfs_allocated_count = 7; + max_vfs = adapter->vfs_allocated_count = 7; } else adapter->vfs_allocated_count = max_vfs; if (adapter->vfs_allocated_count) diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c index 0987822..0a23750 100644 --- a/drivers/net/ethernet/intel/igb/igb_ptp.c +++ b/drivers/net/ethernet/intel/igb/igb_ptp.c @@ -740,7 +740,7 @@ void igb_ptp_init(struct igb_adapter *adapter) case e1000_82576: snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr); adapter->ptp_caps.owner = THIS_MODULE; - adapter->ptp_caps.max_adj = 1000000000; + adapter->ptp_caps.max_adj = 999999881; adapter->ptp_caps.n_ext_ts = 0; adapter->ptp_caps.pps = 0; adapter->ptp_caps.adjfreq = igb_ptp_adjfreq_82576; diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index ac0c315..5563250 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -950,9 +950,17 @@ free_queue_irqs: free_irq(adapter->msix_entries[vector].vector, adapter->q_vector[vector]); } - pci_disable_msix(adapter->pdev); - kfree(adapter->msix_entries); - adapter->msix_entries = NULL; + /* This failure is non-recoverable - it indicates the system is + * out of MSIX vector resources and the VF driver cannot run + * without them. Set the number of msix vectors to zero + * indicating that not enough can be allocated. The error + * will be returned to the user indicating device open failed. + * Any further attempts to force the driver to open will also + * fail. The only way to recover is to unload the driver and + * reload it again. If the system has recovered some MSIX + * vectors then it may succeed. + */ + adapter->num_msix_vectors = 0; return err; } @@ -2575,6 +2583,15 @@ static int ixgbevf_open(struct net_device *netdev) struct ixgbe_hw *hw = &adapter->hw; int err; + /* A previous failure to open the device because of a lack of + * available MSIX vector resources may have reset the number + * of msix vectors variable to zero. The only way to recover + * is to unload/reload the driver and hope that the system has + * been able to recover some MSIX vector resources. + */ + if (!adapter->num_msix_vectors) + return -ENOMEM; + /* disallow open during test */ if (test_bit(__IXGBEVF_TESTING, &adapter->state)) return -EBUSY; @@ -2631,7 +2648,6 @@ static int ixgbevf_open(struct net_device *netdev) err_req_irq: ixgbevf_down(adapter); - ixgbevf_free_irq(adapter); err_setup_rx: ixgbevf_free_all_rx_resources(adapter); err_setup_tx: diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index abd5fba..60eb890 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -1724,9 +1724,9 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, skb->protocol = eth_type_trans(skb, netdev); if (tcp_ip_status & PCH_GBE_RXD_ACC_STAT_TCPIPOK) - skb->ip_summed = CHECKSUM_NONE; - else skb->ip_summed = CHECKSUM_UNNECESSARY; + else + skb->ip_summed = CHECKSUM_NONE; napi_gro_receive(&adapter->napi, skb); (*work_done)++; diff --git a/drivers/pinctrl/mvebu/pinctrl-mvebu.c b/drivers/pinctrl/mvebu/pinctrl-mvebu.c index c689c04..2d2f0a4 100644 --- a/drivers/pinctrl/mvebu/pinctrl-mvebu.c +++ b/drivers/pinctrl/mvebu/pinctrl-mvebu.c @@ -620,7 +620,7 @@ int mvebu_pinctrl_probe(struct platform_device *pdev) /* special soc specific control */ if (ctrl->mpp_get || ctrl->mpp_set) { - if (!ctrl->name || !ctrl->mpp_set || !ctrl->mpp_set) { + if (!ctrl->name || !ctrl->mpp_get || !ctrl->mpp_set) { dev_err(&pdev->dev, "wrong soc control info\n"); return -EINVAL; } diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c index ac8d382..d611ecf 100644 --- a/drivers/pinctrl/pinconf.c +++ b/drivers/pinctrl/pinconf.c @@ -622,7 +622,7 @@ static const struct file_operations pinconf_dbg_pinname_fops = { static int pinconf_dbg_state_print(struct seq_file *s, void *d) { if (strlen(dbg_state_name)) - seq_printf(s, "%s\n", dbg_pinname); + seq_printf(s, "%s\n", dbg_state_name); else seq_printf(s, "No pin state set\n"); return 0; diff --git a/drivers/pinctrl/pinconf.h b/drivers/pinctrl/pinconf.h index e3ed8cb..bfda73d 100644 --- a/drivers/pinctrl/pinconf.h +++ b/drivers/pinctrl/pinconf.h @@ -90,7 +90,7 @@ static inline void pinconf_init_device_debugfs(struct dentry *devroot, * pin config. */ -#ifdef CONFIG_GENERIC_PINCONF +#if defined(CONFIG_GENERIC_PINCONF) && defined(CONFIG_DEBUG_FS) void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned pin); diff --git a/drivers/pinctrl/pinctrl-abx500.c b/drivers/pinctrl/pinctrl-abx500.c index caecdd3..c542a97 100644 --- a/drivers/pinctrl/pinctrl-abx500.c +++ b/drivers/pinctrl/pinctrl-abx500.c @@ -422,7 +422,7 @@ static u8 abx500_get_mode(struct pinctrl_dev *pctldev, struct gpio_chip *chip, } /* check if pin use AlternateFunction register */ - if ((af.alt_bit1 == UNUSED) && (af.alt_bit1 == UNUSED)) + if ((af.alt_bit1 == UNUSED) && (af.alt_bit2 == UNUSED)) return mode; /* * if pin GPIOSEL bit is set and pin supports alternate function, diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c index 1a00658..bd83c8b 100644 --- a/drivers/pinctrl/pinmux.c +++ b/drivers/pinctrl/pinmux.c @@ -194,6 +194,11 @@ static const char *pin_free(struct pinctrl_dev *pctldev, int pin, } if (!gpio_range) { + /* + * A pin should not be freed more times than allocated. + */ + if (WARN_ON(!desc->mux_usecount)) + return NULL; desc->mux_usecount--; if (desc->mux_usecount) return NULL; diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 434ebc3..0a9f27e 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -44,6 +44,7 @@ static DECLARE_COMPLETION(at91_rtc_updated); static unsigned int at91_alarm_year = AT91_RTC_EPOCH; static void __iomem *at91_rtc_regs; static int irq; +static u32 at91_rtc_imr; /* * Decode time/date into rtc_time structure @@ -108,9 +109,11 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm) cr = at91_rtc_read(AT91_RTC_CR); at91_rtc_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM); + at91_rtc_imr |= AT91_RTC_ACKUPD; at91_rtc_write(AT91_RTC_IER, AT91_RTC_ACKUPD); wait_for_completion(&at91_rtc_updated); /* wait for ACKUPD interrupt */ at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD); + at91_rtc_imr &= ~AT91_RTC_ACKUPD; at91_rtc_write(AT91_RTC_TIMR, bin2bcd(tm->tm_sec) << 0 @@ -142,7 +145,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm) tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year); tm->tm_year = at91_alarm_year - 1900; - alrm->enabled = (at91_rtc_read(AT91_RTC_IMR) & AT91_RTC_ALARM) + alrm->enabled = (at91_rtc_imr & AT91_RTC_ALARM) ? 1 : 0; dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__, @@ -168,6 +171,7 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) tm.tm_sec = alrm->time.tm_sec; at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM); + at91_rtc_imr &= ~AT91_RTC_ALARM; at91_rtc_write(AT91_RTC_TIMALR, bin2bcd(tm.tm_sec) << 0 | bin2bcd(tm.tm_min) << 8 @@ -180,6 +184,7 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) if (alrm->enabled) { at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM); + at91_rtc_imr |= AT91_RTC_ALARM; at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM); } @@ -196,9 +201,12 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) if (enabled) { at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM); + at91_rtc_imr |= AT91_RTC_ALARM; at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM); - } else + } else { at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM); + at91_rtc_imr &= ~AT91_RTC_ALARM; + } return 0; } @@ -207,12 +215,10 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) */ static int at91_rtc_proc(struct device *dev, struct seq_file *seq) { - unsigned long imr = at91_rtc_read(AT91_RTC_IMR); - seq_printf(seq, "update_IRQ\t: %s\n", - (imr & AT91_RTC_ACKUPD) ? "yes" : "no"); + (at91_rtc_imr & AT91_RTC_ACKUPD) ? "yes" : "no"); seq_printf(seq, "periodic_IRQ\t: %s\n", - (imr & AT91_RTC_SECEV) ? "yes" : "no"); + (at91_rtc_imr & AT91_RTC_SECEV) ? "yes" : "no"); return 0; } @@ -227,7 +233,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id) unsigned int rtsr; unsigned long events = 0; - rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_read(AT91_RTC_IMR); + rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_imr; if (rtsr) { /* this interrupt is shared! Is it ours? */ if (rtsr & AT91_RTC_ALARM) events |= (RTC_AF | RTC_IRQF); @@ -291,6 +297,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev) at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV); + at91_rtc_imr = 0; ret = request_irq(irq, at91_rtc_interrupt, IRQF_SHARED, @@ -329,6 +336,7 @@ static int __exit at91_rtc_remove(struct platform_device *pdev) at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV); + at91_rtc_imr = 0; free_irq(irq, pdev); rtc_device_unregister(rtc); @@ -341,31 +349,35 @@ static int __exit at91_rtc_remove(struct platform_device *pdev) /* AT91RM9200 RTC Power management control */ -static u32 at91_rtc_imr; +static u32 at91_rtc_bkpimr; + static int at91_rtc_suspend(struct device *dev) { /* this IRQ is shared with DBGU and other hardware which isn't * necessarily doing PM like we are... */ - at91_rtc_imr = at91_rtc_read(AT91_RTC_IMR) - & (AT91_RTC_ALARM|AT91_RTC_SECEV); - if (at91_rtc_imr) { - if (device_may_wakeup(dev)) + at91_rtc_bkpimr = at91_rtc_imr & (AT91_RTC_ALARM|AT91_RTC_SECEV); + if (at91_rtc_bkpimr) { + if (device_may_wakeup(dev)) { enable_irq_wake(irq); - else - at91_rtc_write(AT91_RTC_IDR, at91_rtc_imr); - } + } else { + at91_rtc_write(AT91_RTC_IDR, at91_rtc_bkpimr); + at91_rtc_imr &= ~at91_rtc_bkpimr; + } +} return 0; } static int at91_rtc_resume(struct device *dev) { - if (at91_rtc_imr) { - if (device_may_wakeup(dev)) + if (at91_rtc_bkpimr) { + if (device_may_wakeup(dev)) { disable_irq_wake(irq); - else - at91_rtc_write(AT91_RTC_IER, at91_rtc_imr); + } else { + at91_rtc_imr |= at91_rtc_bkpimr; + at91_rtc_write(AT91_RTC_IER, at91_rtc_bkpimr); + } } return 0; } diff --git a/drivers/rtc/rtc-at91rm9200.h b/drivers/rtc/rtc-at91rm9200.h index da1945e..5f940b6 100644 --- a/drivers/rtc/rtc-at91rm9200.h +++ b/drivers/rtc/rtc-at91rm9200.h @@ -64,7 +64,6 @@ #define AT91_RTC_SCCR 0x1c /* Status Clear Command Register */ #define AT91_RTC_IER 0x20 /* Interrupt Enable Register */ #define AT91_RTC_IDR 0x24 /* Interrupt Disable Register */ -#define AT91_RTC_IMR 0x28 /* Interrupt Mask Register */ #define AT91_RTC_VER 0x2c /* Valid Entry Register */ #define AT91_RTC_NVTIM (1 << 0) /* Non valid Time */ diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c index 0dde688..969abba 100644 --- a/drivers/rtc/rtc-da9052.c +++ b/drivers/rtc/rtc-da9052.c @@ -239,11 +239,9 @@ static int da9052_rtc_probe(struct platform_device *pdev) rtc->da9052 = dev_get_drvdata(pdev->dev.parent); platform_set_drvdata(pdev, rtc); - rtc->irq = platform_get_irq_byname(pdev, "ALM"); - ret = devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL, - da9052_rtc_irq, - IRQF_TRIGGER_LOW | IRQF_ONESHOT, - "ALM", rtc); + rtc->irq = DA9052_IRQ_ALARM; + ret = da9052_request_irq(rtc->da9052, rtc->irq, "ALM", + da9052_rtc_irq, rtc); if (ret != 0) { rtc_err(rtc->da9052, "irq registration failed: %d\n", ret); return ret; diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c index db0cf7c..a0fc7b9 100644 --- a/drivers/target/iscsi/iscsi_target_auth.c +++ b/drivers/target/iscsi/iscsi_target_auth.c @@ -166,6 +166,7 @@ static int chap_server_compute_md5( { char *endptr; unsigned long id; + unsigned char id_as_uchar; unsigned char digest[MD5_SIGNATURE_SIZE]; unsigned char type, response[MD5_SIGNATURE_SIZE * 2 + 2]; unsigned char identifier[10], *challenge = NULL; @@ -355,7 +356,9 @@ static int chap_server_compute_md5( goto out; } - sg_init_one(&sg, &id, 1); + /* To handle both endiannesses */ + id_as_uchar = id; + sg_init_one(&sg, &id_as_uchar, 1); ret = crypto_hash_update(&desc, &sg, 1); if (ret < 0) { pr_err("crypto_hash_update() failed for id\n"); diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h index bc02b01..37ffc5b 100644 --- a/drivers/target/target_core_file.h +++ b/drivers/target/target_core_file.h @@ -7,7 +7,7 @@ #define FD_DEVICE_QUEUE_DEPTH 32 #define FD_MAX_DEVICE_QUEUE_DEPTH 128 #define FD_BLOCKSIZE 512 -#define FD_MAX_SECTORS 1024 +#define FD_MAX_SECTORS 2048 #define RRF_EMULATE_CDB 0x01 #define RRF_GOT_LBA 0x02 diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 82e78d7..e992b27 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -883,7 +883,14 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, pr_debug("PSCSI: i: %d page: %p len: %d off: %d\n", i, page, len, off); - while (len > 0 && data_len > 0) { + /* + * We only have one page of data in each sg element, + * we can not cross a page boundary. + */ + if (off + len > PAGE_SIZE) + goto fail; + + if (len > 0 && data_len > 0) { bytes = min_t(unsigned int, len, PAGE_SIZE - off); bytes = min(bytes, data_len); @@ -940,9 +947,7 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, bio = NULL; } - len -= bytes; data_len -= bytes; - off = 0; } } diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 290230d..60d4b51 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -464,8 +464,11 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) break; case SYNCHRONIZE_CACHE: case SYNCHRONIZE_CACHE_16: - if (!ops->execute_sync_cache) - return TCM_UNSUPPORTED_SCSI_OPCODE; + if (!ops->execute_sync_cache) { + size = 0; + cmd->execute_cmd = sbc_emulate_noop; + break; + } /* * Extract LBA and range to be flushed for emulated SYNCHRONIZE_CACHE diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index 9169d6a..aac9d27 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -711,7 +711,8 @@ int core_tpg_register( if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) { if (core_tpg_setup_virtual_lun0(se_tpg) < 0) { - kfree(se_tpg); + array_free(se_tpg->tpg_lun_list, + TRANSPORT_MAX_LUNS_PER_TPG); return -ENOMEM; } } diff --git a/drivers/thermal/dove_thermal.c b/drivers/thermal/dove_thermal.c index 7b0bfa0..3078c40 100644 --- a/drivers/thermal/dove_thermal.c +++ b/drivers/thermal/dove_thermal.c @@ -143,22 +143,18 @@ static int dove_thermal_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - priv->sensor = devm_request_and_ioremap(&pdev->dev, res); - if (!priv->sensor) { - dev_err(&pdev->dev, "Failed to request_ioremap memory\n"); - return -EADDRNOTAVAIL; - } + priv->sensor = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->sensor)) + return PTR_ERR(priv->sensor); res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!res) { dev_err(&pdev->dev, "Failed to get platform resource\n"); return -ENODEV; } - priv->control = devm_request_and_ioremap(&pdev->dev, res); - if (!priv->control) { - dev_err(&pdev->dev, "Failed to request_ioremap memory\n"); - return -EADDRNOTAVAIL; - } + priv->control = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->control)) + return PTR_ERR(priv->control); ret = dove_init_sensor(priv); if (ret) { diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c index e04ebd8..46568c0 100644 --- a/drivers/thermal/exynos_thermal.c +++ b/drivers/thermal/exynos_thermal.c @@ -476,7 +476,7 @@ static int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf) if (IS_ERR(th_zone->therm_dev)) { pr_err("Failed to register thermal zone device\n"); - ret = -EINVAL; + ret = PTR_ERR(th_zone->therm_dev); goto err_unregister; } th_zone->mode = THERMAL_DEVICE_ENABLED; diff --git a/drivers/thermal/kirkwood_thermal.c b/drivers/thermal/kirkwood_thermal.c index 65cb4f0..e5500ed 100644 --- a/drivers/thermal/kirkwood_thermal.c +++ b/drivers/thermal/kirkwood_thermal.c @@ -85,11 +85,9 @@ static int kirkwood_thermal_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - priv->sensor = devm_request_and_ioremap(&pdev->dev, res); - if (!priv->sensor) { - dev_err(&pdev->dev, "Failed to request_ioremap memory\n"); - return -EADDRNOTAVAIL; - } + priv->sensor = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(priv->sensor)) + return PTR_ERR(priv->sensor); thermal = thermal_zone_device_register("kirkwood_thermal", 0, 0, priv, &ops, NULL, 0, 0); diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index 28f0919..2cc5b61 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -145,6 +145,7 @@ static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv) struct device *dev = rcar_priv_to_dev(priv); int i; int ctemp, old, new; + int ret = -EINVAL; mutex_lock(&priv->lock); @@ -174,7 +175,7 @@ static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv) if (!ctemp) { dev_err(dev, "thermal sensor was broken\n"); - return -EINVAL; + goto err_out_unlock; } /* @@ -192,10 +193,10 @@ static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv) dev_dbg(dev, "thermal%d %d -> %d\n", priv->id, priv->ctemp, ctemp); priv->ctemp = ctemp; - + ret = 0; +err_out_unlock: mutex_unlock(&priv->lock); - - return 0; + return ret; } static int rcar_thermal_get_temp(struct thermal_zone_device *zone, @@ -363,6 +364,7 @@ static int rcar_thermal_probe(struct platform_device *pdev) struct resource *res, *irq; int mres = 0; int i; + int ret = -ENODEV; int idle = IDLE_INTERVAL; common = devm_kzalloc(dev, sizeof(*common), GFP_KERNEL); @@ -399,11 +401,9 @@ static int rcar_thermal_probe(struct platform_device *pdev) /* * rcar_has_irq_support() will be enabled */ - common->base = devm_request_and_ioremap(dev, res); - if (!common->base) { - dev_err(dev, "Unable to ioremap thermal register\n"); - return -ENOMEM; - } + common->base = devm_ioremap_resource(dev, res); + if (IS_ERR(common->base)) + return PTR_ERR(common->base); /* enable temperature comparation */ rcar_thermal_common_write(common, ENR, 0x00030303); @@ -422,11 +422,9 @@ static int rcar_thermal_probe(struct platform_device *pdev) return -ENOMEM; } - priv->base = devm_request_and_ioremap(dev, res); - if (!priv->base) { - dev_err(dev, "Unable to ioremap priv register\n"); - return -ENOMEM; - } + priv->base = devm_ioremap_resource(dev, res); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); priv->common = common; priv->id = i; @@ -441,6 +439,7 @@ static int rcar_thermal_probe(struct platform_device *pdev) idle); if (IS_ERR(priv->zone)) { dev_err(dev, "can't register thermal zone\n"); + ret = PTR_ERR(priv->zone); goto error_unregister; } @@ -460,7 +459,7 @@ error_unregister: rcar_thermal_for_each_priv(priv, common) thermal_zone_device_unregister(priv->zone); - return -ENODEV; + return ret; } static int rcar_thermal_remove(struct platform_device *pdev) diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c index e4ca345..d7799de 100644 --- a/drivers/tty/vt/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c @@ -93,7 +93,7 @@ vcs_poll_data_free(struct vcs_poll_data *poll) static struct vcs_poll_data * vcs_poll_data_get(struct file *file) { - struct vcs_poll_data *poll = file->private_data; + struct vcs_poll_data *poll = file->private_data, *kill = NULL; if (poll) return poll; @@ -122,10 +122,12 @@ vcs_poll_data_get(struct file *file) file->private_data = poll; } else { /* someone else raced ahead of us */ - vcs_poll_data_free(poll); + kill = poll; poll = file->private_data; } spin_unlock(&file->f_lock); + if (kill) + vcs_poll_data_free(kill); return poll; } diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 8ac25ad..387dc6c 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -593,7 +593,6 @@ static void acm_port_destruct(struct tty_port *port) dev_dbg(&acm->control->dev, "%s\n", __func__); - tty_unregister_device(acm_tty_driver, acm->minor); acm_release_minor(acm); usb_put_intf(acm->control); kfree(acm->country_codes); @@ -977,6 +976,8 @@ static int acm_probe(struct usb_interface *intf, int num_rx_buf; int i; int combined_interfaces = 0; + struct device *tty_dev; + int rv = -ENOMEM; /* normal quirks */ quirks = (unsigned long)id->driver_info; @@ -1339,11 +1340,24 @@ skip_countries: usb_set_intfdata(data_interface, acm); usb_get_intf(control_interface); - tty_port_register_device(&acm->port, acm_tty_driver, minor, + tty_dev = tty_port_register_device(&acm->port, acm_tty_driver, minor, &control_interface->dev); + if (IS_ERR(tty_dev)) { + rv = PTR_ERR(tty_dev); + goto alloc_fail8; + } return 0; +alloc_fail8: + if (acm->country_codes) { + device_remove_file(&acm->control->dev, + &dev_attr_wCountryCodes); + device_remove_file(&acm->control->dev, + &dev_attr_iCountryCodeRelDate); + } + device_remove_file(&acm->control->dev, &dev_attr_bmCapabilities); alloc_fail7: + usb_set_intfdata(intf, NULL); for (i = 0; i < ACM_NW; i++) usb_free_urb(acm->wb[i].urb); alloc_fail6: @@ -1359,7 +1373,7 @@ alloc_fail2: acm_release_minor(acm); kfree(acm); alloc_fail: - return -ENOMEM; + return rv; } static void stop_data_traffic(struct acm *acm) @@ -1411,6 +1425,8 @@ static void acm_disconnect(struct usb_interface *intf) stop_data_traffic(acm); + tty_unregister_device(acm_tty_driver, acm->minor); + usb_free_urb(acm->ctrlurb); for (i = 0; i < ACM_NW; i++) usb_free_urb(acm->wb[i].urb); diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 622b4a4..2b487d4 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -173,6 +173,7 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) struct hc_driver *driver; struct usb_hcd *hcd; int retval; + int hcd_irq = 0; if (usb_disabled()) return -ENODEV; @@ -187,15 +188,19 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) return -ENODEV; dev->current_state = PCI_D0; - /* The xHCI driver supports MSI and MSI-X, - * so don't fail if the BIOS doesn't provide a legacy IRQ. + /* + * The xHCI driver has its own irq management + * make sure irq setup is not touched for xhci in generic hcd code */ - if (!dev->irq && (driver->flags & HCD_MASK) != HCD_USB3) { - dev_err(&dev->dev, - "Found HC with no IRQ. Check BIOS/PCI %s setup!\n", - pci_name(dev)); - retval = -ENODEV; - goto disable_pci; + if ((driver->flags & HCD_MASK) != HCD_USB3) { + if (!dev->irq) { + dev_err(&dev->dev, + "Found HC with no IRQ. Check BIOS/PCI %s setup!\n", + pci_name(dev)); + retval = -ENODEV; + goto disable_pci; + } + hcd_irq = dev->irq; } hcd = usb_create_hcd(driver, &dev->dev, pci_name(dev)); @@ -245,7 +250,7 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) pci_set_master(dev); - retval = usb_add_hcd(hcd, dev->irq, IRQF_SHARED); + retval = usb_add_hcd(hcd, hcd_irq, IRQF_SHARED); if (retval != 0) goto unmap_registers; set_hs_companion(dev, hcd); diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c index 71beeb8..cc9c49c 100644 --- a/drivers/usb/gadget/f_rndis.c +++ b/drivers/usb/gadget/f_rndis.c @@ -447,14 +447,13 @@ static void rndis_response_complete(struct usb_ep *ep, struct usb_request *req) static void rndis_command_complete(struct usb_ep *ep, struct usb_request *req) { struct f_rndis *rndis = req->context; - struct usb_composite_dev *cdev = rndis->port.func.config->cdev; int status; /* received RNDIS command from USB_CDC_SEND_ENCAPSULATED_COMMAND */ // spin_lock(&dev->lock); status = rndis_msg_parser(rndis->config, (u8 *) req->buf); if (status < 0) - ERROR(cdev, "RNDIS command error %d, %d/%d\n", + pr_err("RNDIS command error %d, %d/%d\n", status, req->actual, req->length); // spin_unlock(&dev->lock); } diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c index 3953dd4..3b343b2 100644 --- a/drivers/usb/gadget/g_ffs.c +++ b/drivers/usb/gadget/g_ffs.c @@ -357,7 +357,7 @@ static int gfs_bind(struct usb_composite_dev *cdev) goto error; gfs_dev_desc.iProduct = gfs_strings[USB_GADGET_PRODUCT_IDX].id; - for (i = func_num; --i; ) { + for (i = func_num; i--; ) { ret = functionfs_bind(ffs_tab[i].ffs_data, cdev); if (unlikely(ret < 0)) { while (++i < func_num) @@ -413,7 +413,7 @@ static int gfs_unbind(struct usb_composite_dev *cdev) gether_cleanup(); gfs_ether_setup = false; - for (i = func_num; --i; ) + for (i = func_num; i--; ) if (ffs_tab[i].ffs_data) functionfs_unbind(ffs_tab[i].ffs_data); diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c index d226058..32524b63 100644 --- a/drivers/usb/gadget/net2272.c +++ b/drivers/usb/gadget/net2272.c @@ -59,7 +59,7 @@ static const char * const ep_name[] = { }; #define DMA_ADDR_INVALID (~(dma_addr_t)0) -#ifdef CONFIG_USB_GADGET_NET2272_DMA +#ifdef CONFIG_USB_NET2272_DMA /* * use_dma: the NET2272 can use an external DMA controller. * Note that since there is no generic DMA api, some functions, @@ -1495,6 +1495,13 @@ stop_activity(struct net2272 *dev, struct usb_gadget_driver *driver) for (i = 0; i < 4; ++i) net2272_dequeue_all(&dev->ep[i]); + /* report disconnect; the driver is already quiesced */ + if (driver) { + spin_unlock(&dev->lock); + driver->disconnect(&dev->gadget); + spin_lock(&dev->lock); + } + net2272_usb_reinit(dev); } diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index a1b650e..3bd0f99 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -1924,7 +1924,6 @@ static int net2280_start(struct usb_gadget *_gadget, err_func: device_remove_file (&dev->pdev->dev, &dev_attr_function); err_unbind: - driver->unbind (&dev->gadget); dev->gadget.dev.driver = NULL; dev->driver = NULL; return retval; @@ -1946,6 +1945,13 @@ stop_activity (struct net2280 *dev, struct usb_gadget_driver *driver) for (i = 0; i < 7; i++) nuke (&dev->ep [i]); + /* report disconnect; the driver is already quiesced */ + if (driver) { + spin_unlock(&dev->lock); + driver->disconnect(&dev->gadget); + spin_lock(&dev->lock); + } + usb_reinit (dev); } diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c index c5034d9..b369292 100644 --- a/drivers/usb/gadget/u_serial.c +++ b/drivers/usb/gadget/u_serial.c @@ -136,7 +136,7 @@ static struct portmaster { pr_debug(fmt, ##arg) #endif /* pr_vdebug */ #else -#ifndef pr_vdebig +#ifndef pr_vdebug #define pr_vdebug(fmt, arg...) \ ({ if (0) pr_debug(fmt, ##arg); }) #endif /* pr_vdebug */ diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c index 2a9cd36..f8f62c3 100644 --- a/drivers/usb/gadget/udc-core.c +++ b/drivers/usb/gadget/udc-core.c @@ -216,7 +216,7 @@ static void usb_gadget_remove_driver(struct usb_udc *udc) usb_gadget_disconnect(udc->gadget); udc->driver->disconnect(udc->gadget); udc->driver->unbind(udc->gadget); - usb_gadget_udc_stop(udc->gadget, udc->driver); + usb_gadget_udc_stop(udc->gadget, NULL); udc->driver = NULL; udc->dev.driver = NULL; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 5726cb1..416a6dc 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -302,6 +302,7 @@ static void ehci_quiesce (struct ehci_hcd *ehci) static void end_unlink_async(struct ehci_hcd *ehci); static void unlink_empty_async(struct ehci_hcd *ehci); +static void unlink_empty_async_suspended(struct ehci_hcd *ehci); static void ehci_work(struct ehci_hcd *ehci); static void start_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh); static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh); diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 4d3b294..7d06e77 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -328,7 +328,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) ehci->rh_state = EHCI_RH_SUSPENDED; end_unlink_async(ehci); - unlink_empty_async(ehci); + unlink_empty_async_suspended(ehci); ehci_handle_intr_unlinks(ehci); end_free_itds(ehci); diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 5464665..23d1369 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -1316,6 +1316,19 @@ static void unlink_empty_async(struct ehci_hcd *ehci) } } +/* The root hub is suspended; unlink all the async QHs */ +static void unlink_empty_async_suspended(struct ehci_hcd *ehci) +{ + struct ehci_qh *qh; + + while (ehci->async->qh_next.qh) { + qh = ehci->async->qh_next.qh; + WARN_ON(!list_empty(&qh->qtd_list)); + single_unlink_async(ehci, qh); + } + start_iaa_cycle(ehci, false); +} + /* makes sure the async qh will become idle */ /* caller must own ehci->lock */ diff --git a/drivers/usb/host/ehci-timer.c b/drivers/usb/host/ehci-timer.c index 20dbdcb..c3fa130 100644 --- a/drivers/usb/host/ehci-timer.c +++ b/drivers/usb/host/ehci-timer.c @@ -304,7 +304,7 @@ static void ehci_iaa_watchdog(struct ehci_hcd *ehci) * (a) SMP races against real IAA firing and retriggering, and * (b) clean HC shutdown, when IAA watchdog was pending. */ - if (ehci->async_iaa) { + if (1) { u32 cmd, status; /* If we get here, IAA is *REALLY* late. It's barely diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index f1f01a8..849470b 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -350,7 +350,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd) * generate interrupts. Don't even try to enable MSI. */ if (xhci->quirks & XHCI_BROKEN_MSI) - return 0; + goto legacy_irq; /* unregister the legacy interrupt */ if (hcd->irq) @@ -371,6 +371,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd) return -EINVAL; } + legacy_irq: /* fall back to legacy interrupt*/ ret = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED, hcd->irq_descr, hcd); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index f791bd0..2c510e4 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -206,8 +206,8 @@ struct xhci_op_regs { /* bits 12:31 are reserved (and should be preserved on writes). */ /* IMAN - Interrupt Management Register */ -#define IMAN_IP (1 << 1) -#define IMAN_IE (1 << 0) +#define IMAN_IE (1 << 1) +#define IMAN_IP (1 << 0) /* USBSTS - USB status - status bitmasks */ /* HC not running - set to 1 when run/stop bit is cleared. */ diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 7c71769d..41613a2 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -327,7 +327,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) u8 devctl = musb_readb(mregs, MUSB_DEVCTL); int err; - err = musb->int_usb & USB_INTR_VBUSERROR; + err = musb->int_usb & MUSB_INTR_VBUSERROR; if (err) { /* * The Mentor core doesn't debounce VBUS as needed diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index be18537..83edded 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -141,7 +141,9 @@ static inline void map_dma_buffer(struct musb_request *request, static inline void unmap_dma_buffer(struct musb_request *request, struct musb *musb) { - if (!is_buffer_mapped(request)) + struct musb_ep *musb_ep = request->ep; + + if (!is_buffer_mapped(request) || !musb_ep->dma) return; if (request->request.dma == DMA_ADDR_INVALID) { @@ -195,7 +197,10 @@ __acquires(ep->musb->lock) ep->busy = 1; spin_unlock(&musb->lock); - unmap_dma_buffer(req, musb); + + if (!dma_mapping_error(&musb->g.dev, request->dma)) + unmap_dma_buffer(req, musb); + if (request->status == 0) dev_dbg(musb->controller, "%s done request %p, %d/%d\n", ep->end_point.name, request, diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index cbd904b..4775f82 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -62,7 +62,6 @@ static int is_irda(struct usb_serial *serial) } struct ark3116_private { - wait_queue_head_t delta_msr_wait; struct async_icount icount; int irda; /* 1 for irda device */ @@ -146,7 +145,6 @@ static int ark3116_port_probe(struct usb_serial_port *port) if (!priv) return -ENOMEM; - init_waitqueue_head(&priv->delta_msr_wait); mutex_init(&priv->hw_lock); spin_lock_init(&priv->status_lock); @@ -456,10 +454,14 @@ static int ark3116_ioctl(struct tty_struct *tty, case TIOCMIWAIT: for (;;) { struct async_icount prev = priv->icount; - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + if ((prev.rng == priv->icount.rng) && (prev.dsr == priv->icount.dsr) && (prev.dcd == priv->icount.dcd) && @@ -580,7 +582,7 @@ static void ark3116_update_msr(struct usb_serial_port *port, __u8 msr) priv->icount.dcd++; if (msr & UART_MSR_TERI) priv->icount.rng++; - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } } diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index d255f66..07d4650 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -80,7 +80,6 @@ MODULE_DEVICE_TABLE(usb, id_table); struct ch341_private { spinlock_t lock; /* access lock */ - wait_queue_head_t delta_msr_wait; /* wait queue for modem status */ unsigned baud_rate; /* set baud rate */ u8 line_control; /* set line control value RTS/DTR */ u8 line_status; /* active status of modem control inputs */ @@ -252,7 +251,6 @@ static int ch341_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->delta_msr_wait); priv->baud_rate = DEFAULT_BAUD_RATE; priv->line_control = CH341_BIT_RTS | CH341_BIT_DTR; @@ -298,7 +296,7 @@ static void ch341_dtr_rts(struct usb_serial_port *port, int on) priv->line_control &= ~(CH341_BIT_RTS | CH341_BIT_DTR); spin_unlock_irqrestore(&priv->lock, flags); ch341_set_handshake(port->serial->dev, priv->line_control); - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } static void ch341_close(struct usb_serial_port *port) @@ -491,7 +489,7 @@ static void ch341_read_int_callback(struct urb *urb) tty_kref_put(tty); } - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } exit: @@ -517,11 +515,14 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (!multi_change) { - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->line_status; multi_change = priv->multi_status_change; diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index 8efa19d..ba7352e 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -111,7 +111,6 @@ struct cypress_private { int baud_rate; /* stores current baud rate in integer form */ int isthrottled; /* if throttled, discard reads */ - wait_queue_head_t delta_msr_wait; /* used for TIOCMIWAIT */ char prev_status, diff_status; /* used for TIOCMIWAIT */ /* we pass a pointer to this as the argument sent to cypress_set_termios old_termios */ @@ -449,7 +448,6 @@ static int cypress_generic_port_probe(struct usb_serial_port *port) kfree(priv); return -ENOMEM; } - init_waitqueue_head(&priv->delta_msr_wait); usb_reset_configuration(serial->dev); @@ -868,12 +866,16 @@ static int cypress_ioctl(struct tty_struct *tty, switch (cmd) { /* This code comes from drivers/char/serial.c and ftdi_sio.c */ case TIOCMIWAIT: - while (priv != NULL) { - interruptible_sleep_on(&priv->delta_msr_wait); + for (;;) { + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; - else { + + if (port->serial->disconnected) + return -EIO; + + { char diff = priv->diff_status; if (diff == 0) return -EIO; /* no change => error */ @@ -1187,7 +1189,7 @@ static void cypress_read_int_callback(struct urb *urb) if (priv->current_status != priv->prev_status) { priv->diff_status |= priv->current_status ^ priv->prev_status; - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); priv->prev_status = priv->current_status; } spin_unlock_irqrestore(&priv->lock, flags); diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c index b1b2dc6..a172ad5 100644 --- a/drivers/usb/serial/f81232.c +++ b/drivers/usb/serial/f81232.c @@ -47,7 +47,6 @@ MODULE_DEVICE_TABLE(usb, id_table); struct f81232_private { spinlock_t lock; - wait_queue_head_t delta_msr_wait; u8 line_control; u8 line_status; }; @@ -111,7 +110,7 @@ static void f81232_process_read_urb(struct urb *urb) line_status = priv->line_status; priv->line_status &= ~UART_STATE_TRANSIENT_MASK; spin_unlock_irqrestore(&priv->lock, flags); - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); if (!urb->actual_length) return; @@ -256,11 +255,14 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->line_status; spin_unlock_irqrestore(&priv->lock, flags); @@ -322,7 +324,6 @@ static int f81232_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->delta_msr_wait); usb_set_serial_port_data(port, priv); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index edd162d..d4809d5 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -69,9 +69,7 @@ struct ftdi_private { int flags; /* some ASYNC_xxxx flags are supported */ unsigned long last_dtr_rts; /* saved modem control outputs */ struct async_icount icount; - wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ char prev_status; /* Used for TIOCMIWAIT */ - bool dev_gone; /* Used to abort TIOCMIWAIT */ char transmit_empty; /* If transmitter is empty or not */ __u16 interface; /* FT2232C, FT2232H or FT4232H port interface (0 for FT232/245) */ @@ -1691,10 +1689,8 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port) kref_init(&priv->kref); mutex_init(&priv->cfg_lock); - init_waitqueue_head(&priv->delta_msr_wait); priv->flags = ASYNC_LOW_LATENCY; - priv->dev_gone = false; if (quirk && quirk->port_probe) quirk->port_probe(priv); @@ -1840,8 +1836,7 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); - priv->dev_gone = true; - wake_up_interruptible_all(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); remove_sysfs_attrs(port); @@ -1989,7 +1984,7 @@ static int ftdi_process_packet(struct usb_serial_port *port, if (diff_status & FTDI_RS0_RLSD) priv->icount.dcd++; - wake_up_interruptible_all(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); priv->prev_status = status; } @@ -2440,11 +2435,15 @@ static int ftdi_ioctl(struct tty_struct *tty, */ case TIOCMIWAIT: cprev = priv->icount; - while (!priv->dev_gone) { - interruptible_sleep_on(&priv->delta_msr_wait); + for (;;) { + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = priv->icount; if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || @@ -2454,8 +2453,6 @@ static int ftdi_ioctl(struct tty_struct *tty, } cprev = cnow; } - return -EIO; - break; case TIOCSERGETLSR: return get_lsr_info(port, (struct serial_struct __user *)arg); break; diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 1a07b12..81caf56 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -956,10 +956,7 @@ static void garmin_close(struct usb_serial_port *port) if (!serial) return; - mutex_lock(&port->serial->disc_mutex); - - if (!port->serial->disconnected) - garmin_clear(garmin_data_p); + garmin_clear(garmin_data_p); /* shutdown our urbs */ usb_kill_urb(port->read_urb); @@ -968,8 +965,6 @@ static void garmin_close(struct usb_serial_port *port) /* keep reset state so we know that we must start a new session */ if (garmin_data_p->state != STATE_RESET) garmin_data_p->state = STATE_DISCONNECTED; - - mutex_unlock(&port->serial->disc_mutex); } diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index b00e5cb..efd8b97 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -110,7 +110,6 @@ struct edgeport_port { wait_queue_head_t wait_chase; /* for handling sleeping while waiting for chase to finish */ wait_queue_head_t wait_open; /* for handling sleeping while waiting for open to finish */ wait_queue_head_t wait_command; /* for handling sleeping while waiting for command to finish */ - wait_queue_head_t delta_msr_wait; /* for handling sleeping while waiting for msr change to happen */ struct async_icount icount; struct usb_serial_port *port; /* loop back to the owner of this object */ @@ -884,7 +883,6 @@ static int edge_open(struct tty_struct *tty, struct usb_serial_port *port) /* initialize our wait queues */ init_waitqueue_head(&edge_port->wait_open); init_waitqueue_head(&edge_port->wait_chase); - init_waitqueue_head(&edge_port->delta_msr_wait); init_waitqueue_head(&edge_port->wait_command); /* initialize our icount structure */ @@ -1669,13 +1667,17 @@ static int edge_ioctl(struct tty_struct *tty, dev_dbg(&port->dev, "%s (%d) TIOCMIWAIT\n", __func__, port->number); cprev = edge_port->icount; while (1) { - prepare_to_wait(&edge_port->delta_msr_wait, + prepare_to_wait(&port->delta_msr_wait, &wait, TASK_INTERRUPTIBLE); schedule(); - finish_wait(&edge_port->delta_msr_wait, &wait); + finish_wait(&port->delta_msr_wait, &wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = edge_port->icount; if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) @@ -2051,7 +2053,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 newMsr) icount->dcd++; if (newMsr & EDGEPORT_MSR_DELTA_RI) icount->rng++; - wake_up_interruptible(&edge_port->delta_msr_wait); + wake_up_interruptible(&edge_port->port->delta_msr_wait); } /* Save the new modem status */ diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index c237766..7777172 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -87,9 +87,6 @@ struct edgeport_port { int close_pending; int lsr_event; struct async_icount icount; - wait_queue_head_t delta_msr_wait; /* for handling sleeping while - waiting for msr change to - happen */ struct edgeport_serial *edge_serial; struct usb_serial_port *port; __u8 bUartMode; /* Port type, 0: RS232, etc. */ @@ -1459,7 +1456,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr) icount->dcd++; if (msr & EDGEPORT_MSR_DELTA_RI) icount->rng++; - wake_up_interruptible(&edge_port->delta_msr_wait); + wake_up_interruptible(&edge_port->port->delta_msr_wait); } /* Save the new modem status */ @@ -1754,7 +1751,6 @@ static int edge_open(struct tty_struct *tty, struct usb_serial_port *port) dev = port->serial->dev; memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount)); - init_waitqueue_head(&edge_port->delta_msr_wait); /* turn off loopback */ status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0); @@ -2434,10 +2430,14 @@ static int edge_ioctl(struct tty_struct *tty, dev_dbg(&port->dev, "%s - TIOCMIWAIT\n", __func__); cprev = edge_port->icount; while (1) { - interruptible_sleep_on(&edge_port->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = edge_port->icount; if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) @@ -2649,6 +2649,7 @@ static struct usb_serial_driver edgeport_2port_device = { .set_termios = edge_set_termios, .tiocmget = edge_tiocmget, .tiocmset = edge_tiocmset, + .get_icount = edge_get_icount, .write = edge_write, .write_room = edge_write_room, .chars_in_buffer = edge_chars_in_buffer, diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index a64d420..06d5a60 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -114,8 +114,6 @@ struct mct_u232_private { unsigned char last_msr; /* Modem Status Register */ unsigned int rx_flags; /* Throttling flags */ struct async_icount icount; - wait_queue_head_t msr_wait; /* for handling sleeping while waiting - for msr change to happen */ }; #define THROTTLED 0x01 @@ -409,7 +407,6 @@ static int mct_u232_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->msr_wait); usb_set_serial_port_data(port, priv); @@ -601,7 +598,7 @@ static void mct_u232_read_int_callback(struct urb *urb) tty_kref_put(tty); } #endif - wake_up_interruptible(&priv->msr_wait); + wake_up_interruptible(&port->delta_msr_wait); spin_unlock_irqrestore(&priv->lock, flags); exit: retval = usb_submit_urb(urb, GFP_ATOMIC); @@ -810,13 +807,17 @@ static int mct_u232_ioctl(struct tty_struct *tty, cprev = mct_u232_port->icount; spin_unlock_irqrestore(&mct_u232_port->lock, flags); for ( ; ; ) { - prepare_to_wait(&mct_u232_port->msr_wait, + prepare_to_wait(&port->delta_msr_wait, &wait, TASK_INTERRUPTIBLE); schedule(); - finish_wait(&mct_u232_port->msr_wait, &wait); + finish_wait(&port->delta_msr_wait, &wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&mct_u232_port->lock, flags); cnow = mct_u232_port->icount; spin_unlock_irqrestore(&mct_u232_port->lock, flags); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 809fb32..b8051fa 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -219,7 +219,6 @@ struct moschip_port { char open; char open_ports; wait_queue_head_t wait_chase; /* for handling sleeping while waiting for chase to finish */ - wait_queue_head_t delta_msr_wait; /* for handling sleeping while waiting for msr change to happen */ int delta_msr_cond; struct async_icount icount; struct usb_serial_port *port; /* loop back to the owner of this object */ @@ -423,6 +422,9 @@ static void mos7840_handle_new_msr(struct moschip_port *port, __u8 new_msr) icount->rng++; smp_wmb(); } + + mos7840_port->delta_msr_cond = 1; + wake_up_interruptible(&port->port->delta_msr_wait); } } @@ -1127,7 +1129,6 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port) /* initialize our wait queues */ init_waitqueue_head(&mos7840_port->wait_chase); - init_waitqueue_head(&mos7840_port->delta_msr_wait); /* initialize our icount structure */ memset(&(mos7840_port->icount), 0x00, sizeof(mos7840_port->icount)); @@ -2017,8 +2018,6 @@ static void mos7840_change_port_settings(struct tty_struct *tty, mos7840_port->read_urb_busy = false; } } - wake_up(&mos7840_port->delta_msr_wait); - mos7840_port->delta_msr_cond = 1; dev_dbg(&port->dev, "%s - mos7840_port->shadowLCR is End %x\n", __func__, mos7840_port->shadowLCR); } @@ -2219,13 +2218,18 @@ static int mos7840_ioctl(struct tty_struct *tty, while (1) { /* interruptible_sleep_on(&mos7840_port->delta_msr_wait); */ mos7840_port->delta_msr_cond = 0; - wait_event_interruptible(mos7840_port->delta_msr_wait, - (mos7840_port-> + wait_event_interruptible(port->delta_msr_wait, + (port->serial->disconnected || + mos7840_port-> delta_msr_cond == 1)); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = mos7840_port->icount; smp_rmb(); if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index a958fd4..87c71cc 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -188,7 +188,6 @@ struct oti6858_private { u8 setup_done; struct delayed_work delayed_setup_work; - wait_queue_head_t intr_wait; struct usb_serial_port *port; /* USB port with which associated */ }; @@ -339,7 +338,6 @@ static int oti6858_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->intr_wait); priv->port = port; INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line); INIT_DELAYED_WORK(&priv->delayed_write_work, send_data); @@ -664,11 +662,15 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - wait_event_interruptible(priv->intr_wait, + wait_event_interruptible(port->delta_msr_wait, + port->serial->disconnected || priv->status.pin_state != prev); if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->status.pin_state & PIN_MASK; spin_unlock_irqrestore(&priv->lock, flags); @@ -763,7 +765,7 @@ static void oti6858_read_int_callback(struct urb *urb) if (!priv->transient) { if (xs->pin_state != priv->status.pin_state) - wake_up_interruptible(&priv->intr_wait); + wake_up_interruptible(&port->delta_msr_wait); memcpy(&priv->status, xs, OTI6858_CTRL_PKT_SIZE); } diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 54adc91..3b10018 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -139,7 +139,6 @@ struct pl2303_serial_private { struct pl2303_private { spinlock_t lock; - wait_queue_head_t delta_msr_wait; u8 line_control; u8 line_status; }; @@ -233,7 +232,6 @@ static int pl2303_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->delta_msr_wait); usb_set_serial_port_data(port, priv); @@ -607,11 +605,14 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->line_status; spin_unlock_irqrestore(&priv->lock, flags); @@ -719,7 +720,7 @@ static void pl2303_update_line_status(struct usb_serial_port *port, spin_unlock_irqrestore(&priv->lock, flags); if (priv->line_status & UART_BREAK_ERROR) usb_serial_handle_break(port); - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); tty = tty_port_tty_get(&port->port); if (!tty) @@ -783,7 +784,7 @@ static void pl2303_process_read_urb(struct urb *urb) line_status = priv->line_status; priv->line_status &= ~UART_STATE_TRANSIENT_MASK; spin_unlock_irqrestore(&priv->lock, flags); - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); if (!urb->actual_length) return; diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index d643a4d..75f125d 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -128,7 +128,6 @@ struct qt2_port_private { u8 shadowLSR; u8 shadowMSR; - wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ struct async_icount icount; struct usb_serial_port *port; @@ -506,8 +505,9 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - wait_event_interruptible(priv->delta_msr_wait, - ((priv->icount.rng != prev.rng) || + wait_event_interruptible(port->delta_msr_wait, + (port->serial->disconnected || + (priv->icount.rng != prev.rng) || (priv->icount.dsr != prev.dsr) || (priv->icount.dcd != prev.dcd) || (priv->icount.cts != prev.cts))); @@ -515,6 +515,9 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); cur = priv->icount; spin_unlock_irqrestore(&priv->lock, flags); @@ -827,7 +830,6 @@ static int qt2_port_probe(struct usb_serial_port *port) spin_lock_init(&port_priv->lock); spin_lock_init(&port_priv->urb_lock); - init_waitqueue_head(&port_priv->delta_msr_wait); port_priv->port = port; port_priv->write_urb = usb_alloc_urb(0, GFP_KERNEL); @@ -970,7 +972,7 @@ static void qt2_update_msr(struct usb_serial_port *port, unsigned char *ch) if (newMSR & UART_MSR_TERI) port_priv->icount.rng++; - wake_up_interruptible(&port_priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } } diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index 91ff8e3..549ef68 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -149,7 +149,6 @@ enum spcp8x5_type { struct spcp8x5_private { spinlock_t lock; enum spcp8x5_type type; - wait_queue_head_t delta_msr_wait; u8 line_control; u8 line_status; }; @@ -179,7 +178,6 @@ static int spcp8x5_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->delta_msr_wait); priv->type = type; usb_set_serial_port_data(port , priv); @@ -475,7 +473,7 @@ static void spcp8x5_process_read_urb(struct urb *urb) priv->line_status &= ~UART_STATE_TRANSIENT_MASK; spin_unlock_irqrestore(&priv->lock, flags); /* wake up the wait for termios */ - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); if (!urb->actual_length) return; @@ -526,12 +524,15 @@ static int spcp8x5_wait_modem_info(struct usb_serial_port *port, while (1) { /* wake up in bulk read */ - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->line_status; spin_unlock_irqrestore(&priv->lock, flags); diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index b57cf84..4b2a197 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -61,7 +61,6 @@ struct ssu100_port_private { spinlock_t status_lock; u8 shadowLSR; u8 shadowMSR; - wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ struct async_icount icount; }; @@ -355,8 +354,9 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->status_lock, flags); while (1) { - wait_event_interruptible(priv->delta_msr_wait, - ((priv->icount.rng != prev.rng) || + wait_event_interruptible(port->delta_msr_wait, + (port->serial->disconnected || + (priv->icount.rng != prev.rng) || (priv->icount.dsr != prev.dsr) || (priv->icount.dcd != prev.dcd) || (priv->icount.cts != prev.cts))); @@ -364,6 +364,9 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->status_lock, flags); cur = priv->icount; spin_unlock_irqrestore(&priv->status_lock, flags); @@ -445,7 +448,6 @@ static int ssu100_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->status_lock); - init_waitqueue_head(&priv->delta_msr_wait); usb_set_serial_port_data(port, priv); @@ -537,7 +539,7 @@ static void ssu100_update_msr(struct usb_serial_port *port, u8 msr) priv->icount.dcd++; if (msr & UART_MSR_TERI) priv->icount.rng++; - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } } diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 39cb9b8..73deb029f 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -74,7 +74,6 @@ struct ti_port { int tp_flags; int tp_closing_wait;/* in .01 secs */ struct async_icount tp_icount; - wait_queue_head_t tp_msr_wait; /* wait for msr change */ wait_queue_head_t tp_write_wait; struct ti_device *tp_tdev; struct usb_serial_port *tp_port; @@ -432,7 +431,6 @@ static int ti_port_probe(struct usb_serial_port *port) else tport->tp_uart_base_addr = TI_UART2_BASE_ADDR; tport->tp_closing_wait = closing_wait; - init_waitqueue_head(&tport->tp_msr_wait); init_waitqueue_head(&tport->tp_write_wait); if (kfifo_alloc(&tport->write_fifo, TI_WRITE_BUF_SIZE, GFP_KERNEL)) { kfree(tport); @@ -784,9 +782,13 @@ static int ti_ioctl(struct tty_struct *tty, dev_dbg(&port->dev, "%s - TIOCMIWAIT\n", __func__); cprev = tport->tp_icount; while (1) { - interruptible_sleep_on(&tport->tp_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = tport->tp_icount; if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) @@ -1392,7 +1394,7 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr) icount->dcd++; if (msr & TI_MSR_DELTA_RI) icount->rng++; - wake_up_interruptible(&tport->tp_msr_wait); + wake_up_interruptible(&tport->tp_port->delta_msr_wait); spin_unlock_irqrestore(&tport->tp_lock, flags); } diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index a19ed74..2e70efa 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -151,6 +151,7 @@ static void destroy_serial(struct kref *kref) } } + usb_put_intf(serial->interface); usb_put_dev(serial->dev); kfree(serial); } @@ -620,7 +621,7 @@ static struct usb_serial *create_serial(struct usb_device *dev, } serial->dev = usb_get_dev(dev); serial->type = driver; - serial->interface = interface; + serial->interface = usb_get_intf(interface); kref_init(&serial->kref); mutex_init(&serial->disc_mutex); serial->minor = SERIAL_TTY_NO_MINOR; diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index da04a07..179933528 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -496,6 +496,13 @@ UNUSUAL_DEV( 0x04e8, 0x5122, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_MAX_SECTORS_64 | US_FL_BULK_IGNORE_TAG), +/* Added by Dmitry Artamonow <mad_soft@inbox.ru> */ +UNUSUAL_DEV( 0x04e8, 0x5136, 0x0000, 0x9999, + "Samsung", + "YP-Z3", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64), + /* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>. * Device uses standards-violating 32-byte Bulk Command Block Wrappers and * reports itself as "Proprietary SCSI Bulk." Cf. device entry 0x084d:0x0011. diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c index 964ff22..aeb00fc 100644 --- a/drivers/vfio/pci/vfio_pci_config.c +++ b/drivers/vfio/pci/vfio_pci_config.c @@ -27,6 +27,7 @@ #include <linux/pci.h> #include <linux/uaccess.h> #include <linux/vfio.h> +#include <linux/slab.h> #include "vfio_pci_private.h" diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index 3639371..a965091 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -22,6 +22,7 @@ #include <linux/vfio.h> #include <linux/wait.h> #include <linux/workqueue.h> +#include <linux/slab.h> #include "vfio_pci_private.h" diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c index 9951297..43fb11e 100644 --- a/drivers/vhost/tcm_vhost.c +++ b/drivers/vhost/tcm_vhost.c @@ -850,7 +850,7 @@ static int vhost_scsi_clear_endpoint( for (index = 0; index < vs->dev.nvqs; ++index) { if (!vhost_vq_access_ok(&vs->vqs[index])) { ret = -EFAULT; - goto err; + goto err_dev; } } for (i = 0; i < VHOST_SCSI_MAX_TARGET; i++) { @@ -860,10 +860,11 @@ static int vhost_scsi_clear_endpoint( if (!tv_tpg) continue; + mutex_lock(&tv_tpg->tv_tpg_mutex); tv_tport = tv_tpg->tport; if (!tv_tport) { ret = -ENODEV; - goto err; + goto err_tpg; } if (strcmp(tv_tport->tport_name, t->vhost_wwpn)) { @@ -872,16 +873,19 @@ static int vhost_scsi_clear_endpoint( tv_tport->tport_name, tv_tpg->tport_tpgt, t->vhost_wwpn, t->vhost_tpgt); ret = -EINVAL; - goto err; + goto err_tpg; } tv_tpg->tv_tpg_vhost_count--; vs->vs_tpg[target] = NULL; vs->vs_endpoint = false; + mutex_unlock(&tv_tpg->tv_tpg_mutex); } mutex_unlock(&vs->dev.mutex); return 0; -err: +err_tpg: + mutex_unlock(&tv_tpg->tv_tpg_mutex); +err_dev: mutex_unlock(&vs->dev.mutex); return ret; } @@ -937,6 +941,7 @@ static void vhost_scsi_flush(struct vhost_scsi *vs) for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) vhost_scsi_flush_vq(vs, i); + vhost_work_flush(&vs->dev, &vs->vs_completion_work); } static int vhost_scsi_set_features(struct vhost_scsi *vs, u64 features) diff --git a/drivers/video/ep93xx-fb.c b/drivers/video/ep93xx-fb.c index 3f2519d..e06cd5d 100644 --- a/drivers/video/ep93xx-fb.c +++ b/drivers/video/ep93xx-fb.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/clk.h> #include <linux/fb.h> +#include <linux/io.h> #include <linux/platform_data/video-ep93xx.h> diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 755556c..45169cb 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -169,6 +169,7 @@ struct mxsfb_info { unsigned dotclk_delay; const struct mxsfb_devdata *devdata; int mapped; + u32 sync; }; #define mxsfb_is_v3(host) (host->devdata->ipversion == 3) @@ -456,9 +457,9 @@ static int mxsfb_set_par(struct fb_info *fb_info) vdctrl0 |= VDCTRL0_HSYNC_ACT_HIGH; if (fb_info->var.sync & FB_SYNC_VERT_HIGH_ACT) vdctrl0 |= VDCTRL0_VSYNC_ACT_HIGH; - if (fb_info->var.sync & FB_SYNC_DATA_ENABLE_HIGH_ACT) + if (host->sync & MXSFB_SYNC_DATA_ENABLE_HIGH_ACT) vdctrl0 |= VDCTRL0_ENABLE_ACT_HIGH; - if (fb_info->var.sync & FB_SYNC_DOTCLK_FAILING_ACT) + if (host->sync & MXSFB_SYNC_DOTCLK_FAILING_ACT) vdctrl0 |= VDCTRL0_DOTCLK_ACT_FAILING; writel(vdctrl0, host->base + LCDC_VDCTRL0); @@ -861,6 +862,8 @@ static int mxsfb_probe(struct platform_device *pdev) INIT_LIST_HEAD(&fb_info->modelist); + host->sync = pdata->sync; + ret = mxsfb_init_fbinfo(host); if (ret != 0) goto error_init_fb; diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c index e3b8f75..0e9d8c4 100644 --- a/drivers/watchdog/sp5100_tco.c +++ b/drivers/watchdog/sp5100_tco.c @@ -40,13 +40,12 @@ #include "sp5100_tco.h" /* Module and version information */ -#define TCO_VERSION "0.03" +#define TCO_VERSION "0.05" #define TCO_MODULE_NAME "SP5100 TCO timer" #define TCO_DRIVER_NAME TCO_MODULE_NAME ", v" TCO_VERSION /* internal variables */ static u32 tcobase_phys; -static u32 resbase_phys; static u32 tco_wdt_fired; static void __iomem *tcobase; static unsigned int pm_iobase; @@ -54,10 +53,6 @@ static DEFINE_SPINLOCK(tco_lock); /* Guards the hardware */ static unsigned long timer_alive; static char tco_expect_close; static struct pci_dev *sp5100_tco_pci; -static struct resource wdt_res = { - .name = "Watchdog Timer", - .flags = IORESOURCE_MEM, -}; /* the watchdog platform device */ static struct platform_device *sp5100_tco_platform_device; @@ -75,12 +70,6 @@ module_param(nowayout, bool, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started." " (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); -static unsigned int force_addr; -module_param(force_addr, uint, 0); -MODULE_PARM_DESC(force_addr, "Force the use of specified MMIO address." - " ONLY USE THIS PARAMETER IF YOU REALLY KNOW" - " WHAT YOU ARE DOING (default=none)"); - /* * Some TCO specific functions */ @@ -176,39 +165,6 @@ static void tco_timer_enable(void) } } -static void tco_timer_disable(void) -{ - int val; - - if (sp5100_tco_pci->revision >= 0x40) { - /* For SB800 or later */ - /* Enable watchdog decode bit and Disable watchdog timer */ - outb(SB800_PM_WATCHDOG_CONTROL, SB800_IO_PM_INDEX_REG); - val = inb(SB800_IO_PM_DATA_REG); - val |= SB800_PCI_WATCHDOG_DECODE_EN; - val |= SB800_PM_WATCHDOG_DISABLE; - outb(val, SB800_IO_PM_DATA_REG); - } else { - /* For SP5100 or SB7x0 */ - /* Enable watchdog decode bit */ - pci_read_config_dword(sp5100_tco_pci, - SP5100_PCI_WATCHDOG_MISC_REG, - &val); - - val |= SP5100_PCI_WATCHDOG_DECODE_EN; - - pci_write_config_dword(sp5100_tco_pci, - SP5100_PCI_WATCHDOG_MISC_REG, - val); - - /* Disable Watchdog timer */ - outb(SP5100_PM_WATCHDOG_CONTROL, SP5100_IO_PM_INDEX_REG); - val = inb(SP5100_IO_PM_DATA_REG); - val |= SP5100_PM_WATCHDOG_DISABLE; - outb(val, SP5100_IO_PM_DATA_REG); - } -} - /* * /dev/watchdog handling */ @@ -361,7 +317,7 @@ static unsigned char sp5100_tco_setupdevice(void) { struct pci_dev *dev = NULL; const char *dev_name = NULL; - u32 val, tmp_val; + u32 val; u32 index_reg, data_reg, base_addr; /* Match the PCI device */ @@ -459,63 +415,8 @@ static unsigned char sp5100_tco_setupdevice(void) } else pr_debug("SBResource_MMIO is disabled(0x%04x)\n", val); - /* - * Lastly re-programming the watchdog timer MMIO address, - * This method is a last resort... - * - * Before re-programming, to ensure that the watchdog timer - * is disabled, disable the watchdog timer. - */ - tco_timer_disable(); - - if (force_addr) { - /* - * Force the use of watchdog timer MMIO address, and aligned to - * 8byte boundary. - */ - force_addr &= ~0x7; - val = force_addr; - - pr_info("Force the use of 0x%04x as MMIO address\n", val); - } else { - /* - * Get empty slot into the resource tree for watchdog timer. - */ - if (allocate_resource(&iomem_resource, - &wdt_res, - SP5100_WDT_MEM_MAP_SIZE, - 0xf0000000, - 0xfffffff8, - 0x8, - NULL, - NULL)) { - pr_err("MMIO allocation failed\n"); - goto unreg_region; - } - - val = resbase_phys = wdt_res.start; - pr_debug("Got 0x%04x from resource tree\n", val); - } - - /* Restore to the low three bits */ - outb(base_addr+0, index_reg); - tmp_val = val | (inb(data_reg) & 0x7); - - /* Re-programming the watchdog timer base address */ - outb(base_addr+0, index_reg); - outb((tmp_val >> 0) & 0xff, data_reg); - outb(base_addr+1, index_reg); - outb((tmp_val >> 8) & 0xff, data_reg); - outb(base_addr+2, index_reg); - outb((tmp_val >> 16) & 0xff, data_reg); - outb(base_addr+3, index_reg); - outb((tmp_val >> 24) & 0xff, data_reg); - - if (!request_mem_region_exclusive(val, SP5100_WDT_MEM_MAP_SIZE, - dev_name)) { - pr_err("MMIO address 0x%04x already in use\n", val); - goto unreg_resource; - } + pr_notice("failed to find MMIO address, giving up.\n"); + goto unreg_region; setup_wdt: tcobase_phys = val; @@ -555,9 +456,6 @@ setup_wdt: unreg_mem_region: release_mem_region(tcobase_phys, SP5100_WDT_MEM_MAP_SIZE); -unreg_resource: - if (resbase_phys) - release_resource(&wdt_res); unreg_region: release_region(pm_iobase, SP5100_PM_IOPORTS_SIZE); exit: @@ -567,7 +465,6 @@ exit: static int sp5100_tco_init(struct platform_device *dev) { int ret; - char addr_str[16]; /* * Check whether or not the hardware watchdog is there. If found, then @@ -599,23 +496,14 @@ static int sp5100_tco_init(struct platform_device *dev) clear_bit(0, &timer_alive); /* Show module parameters */ - if (force_addr == tcobase_phys) - /* The force_addr is vaild */ - sprintf(addr_str, "0x%04x", force_addr); - else - strcpy(addr_str, "none"); - - pr_info("initialized (0x%p). heartbeat=%d sec (nowayout=%d, " - "force_addr=%s)\n", - tcobase, heartbeat, nowayout, addr_str); + pr_info("initialized (0x%p). heartbeat=%d sec (nowayout=%d)\n", + tcobase, heartbeat, nowayout); return 0; exit: iounmap(tcobase); release_mem_region(tcobase_phys, SP5100_WDT_MEM_MAP_SIZE); - if (resbase_phys) - release_resource(&wdt_res); release_region(pm_iobase, SP5100_PM_IOPORTS_SIZE); return ret; } @@ -630,8 +518,6 @@ static void sp5100_tco_cleanup(void) misc_deregister(&sp5100_tco_miscdev); iounmap(tcobase); release_mem_region(tcobase_phys, SP5100_WDT_MEM_MAP_SIZE); - if (resbase_phys) - release_resource(&wdt_res); release_region(pm_iobase, SP5100_PM_IOPORTS_SIZE); } diff --git a/drivers/watchdog/sp5100_tco.h b/drivers/watchdog/sp5100_tco.h index 71594a0..2b28c00 100644 --- a/drivers/watchdog/sp5100_tco.h +++ b/drivers/watchdog/sp5100_tco.h @@ -57,7 +57,7 @@ #define SB800_PM_WATCHDOG_DISABLE (1 << 2) #define SB800_PM_WATCHDOG_SECOND_RES (3 << 0) #define SB800_ACPI_MMIO_DECODE_EN (1 << 0) -#define SB800_ACPI_MMIO_SEL (1 << 2) +#define SB800_ACPI_MMIO_SEL (1 << 1) #define SB800_PM_WDT_MMIO_OFFSET 0xB00 |
