diff options
| -rw-r--r-- | drivers/ide/ide-acpi.c | 37 | ||||
| -rw-r--r-- | drivers/ide/ide-cd.c | 14 | ||||
| -rw-r--r-- | drivers/ide/ide-devsets.c | 2 | ||||
| -rw-r--r-- | drivers/ide/ide-eh.c | 2 | ||||
| -rw-r--r-- | drivers/ide/ide-floppy.c | 2 | ||||
| -rw-r--r-- | drivers/ide/ide-io.c | 14 | ||||
| -rw-r--r-- | drivers/ide/ide-ioctls.c | 3 | ||||
| -rw-r--r-- | drivers/ide/ide-pm.c | 30 | ||||
| -rw-r--r-- | include/linux/ide.h | 3 |
9 files changed, 46 insertions, 61 deletions
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c index 77f79d2..c509c99 100644 --- a/drivers/ide/ide-acpi.c +++ b/drivers/ide/ide-acpi.c @@ -92,6 +92,11 @@ int ide_acpi_init(void) return 0; } +bool ide_port_acpi(ide_hwif_t *hwif) +{ + return ide_noacpi == 0 && hwif->acpidata; +} + /** * ide_get_dev_handle - finds acpi_handle and PCI device.function * @dev: device to locate @@ -352,9 +357,6 @@ int ide_acpi_exec_tfs(ide_drive_t *drive) unsigned long gtf_address; unsigned long obj_loc; - if (ide_noacpi) - return 0; - DEBPRINT("call get_GTF, drive=%s port=%d\n", drive->name, drive->dn); ret = do_drive_get_GTF(drive, >f_length, >f_address, &obj_loc); @@ -389,16 +391,6 @@ void ide_acpi_get_timing(ide_hwif_t *hwif) struct acpi_buffer output; union acpi_object *out_obj; - if (ide_noacpi) - return; - - DEBPRINT("ENTER:\n"); - - if (!hwif->acpidata) { - DEBPRINT("no ACPI data for %s\n", hwif->name); - return; - } - /* Setting up output buffer for _GTM */ output.length = ACPI_ALLOCATE_BUFFER; output.pointer = NULL; /* ACPI-CA sets this; save/free it later */ @@ -479,16 +471,6 @@ void ide_acpi_push_timing(ide_hwif_t *hwif) struct ide_acpi_drive_link *master = &hwif->acpidata->master; struct ide_acpi_drive_link *slave = &hwif->acpidata->slave; - if (ide_noacpi) - return; - - DEBPRINT("ENTER:\n"); - - if (!hwif->acpidata) { - DEBPRINT("no ACPI data for %s\n", hwif->name); - return; - } - /* Give the GTM buffer + drive Identify data to the channel via the * _STM method: */ /* setup input parameters buffer for _STM */ @@ -527,16 +509,11 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on) ide_drive_t *drive; int i; - if (ide_noacpi || ide_noacpi_psx) + if (ide_noacpi_psx) return; DEBPRINT("ENTER:\n"); - if (!hwif->acpidata) { - DEBPRINT("no ACPI data for %s\n", hwif->name); - return; - } - /* channel first and then drives for power on and verse versa for power off */ if (on) acpi_bus_set_power(hwif->acpidata->obj_handle, ACPI_STATE_D0); @@ -616,7 +593,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *hwif) drive->name, err); } - if (!ide_acpionboot) { + if (ide_noacpi || ide_acpionboot == 0) { DEBPRINT("ACPI methods disabled on boot\n"); return; } diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index f0ede59..6a9a769 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -592,9 +592,19 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) } } else if (!blk_pc_request(rq)) { ide_cd_request_sense_fixup(drive, cmd); - /* complain if we still have data left to transfer */ + uptodate = cmd->nleft ? 0 : 1; - if (uptodate == 0) + + /* + * suck out the remaining bytes from the drive in an + * attempt to complete the data xfer. (see BZ#13399) + */ + if (!(stat & ATA_ERR) && !uptodate && thislen) { + ide_pio_bytes(drive, cmd, write, thislen); + uptodate = cmd->nleft ? 0 : 1; + } + + if (!uptodate) rq->cmd_flags |= REQ_FAILED; } goto out_end; diff --git a/drivers/ide/ide-devsets.c b/drivers/ide/ide-devsets.c index 5bf958e..1099bf7 100644 --- a/drivers/ide/ide-devsets.c +++ b/drivers/ide/ide-devsets.c @@ -183,6 +183,6 @@ ide_startstop_t ide_do_devset(ide_drive_t *drive, struct request *rq) err = setfunc(drive, *(int *)&rq->cmd[1]); if (err) rq->errors = err; - ide_complete_rq(drive, err, ide_rq_bytes(rq)); + ide_complete_rq(drive, err, blk_rq_bytes(rq)); return ide_stopped; } diff --git a/drivers/ide/ide-eh.c b/drivers/ide/ide-eh.c index 2b91419..e9abf2c 100644 --- a/drivers/ide/ide-eh.c +++ b/drivers/ide/ide-eh.c @@ -149,7 +149,7 @@ static inline void ide_complete_drive_reset(ide_drive_t *drive, int err) if (rq && blk_special_request(rq) && rq->cmd[0] == REQ_DRIVE_RESET) { if (err <= 0 && rq->errors == 0) rq->errors = -EIO; - ide_complete_rq(drive, err ? err : 0, ide_rq_bytes(rq)); + ide_complete_rq(drive, err ? err : 0, blk_rq_bytes(rq)); } } diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 8b3f204..fefbdfc 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -293,7 +293,7 @@ out_end: drive->failed_pc = NULL; if (blk_fs_request(rq) == 0 && rq->errors == 0) rq->errors = -EIO; - ide_complete_rq(drive, -EIO, ide_rq_bytes(rq)); + ide_complete_rq(drive, -EIO, blk_rq_bytes(rq)); return ide_stopped; } diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 93b7886..d5f3c77 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -112,16 +112,6 @@ void ide_complete_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 stat, u8 err) } } -/* obsolete, blk_rq_bytes() should be used instead */ -unsigned int ide_rq_bytes(struct request *rq) -{ - if (blk_pc_request(rq)) - return blk_rq_bytes(rq); - else - return blk_rq_cur_sectors(rq) << 9; -} -EXPORT_SYMBOL_GPL(ide_rq_bytes); - int ide_complete_rq(ide_drive_t *drive, int error, unsigned int nr_bytes) { ide_hwif_t *hwif = drive->hwif; @@ -152,14 +142,14 @@ void ide_kill_rq(ide_drive_t *drive, struct request *rq) if ((media == ide_floppy || media == ide_tape) && drv_req) { rq->errors = 0; - ide_complete_rq(drive, 0, blk_rq_bytes(rq)); } else { if (media == ide_tape) rq->errors = IDE_DRV_ERROR_GENERAL; else if (blk_fs_request(rq) == 0 && rq->errors == 0) rq->errors = -EIO; - ide_complete_rq(drive, -EIO, ide_rq_bytes(rq)); } + + ide_complete_rq(drive, -EIO, blk_rq_bytes(rq)); } static void ide_tf_set_specify_cmd(ide_drive_t *drive, struct ide_taskfile *tf) diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c index 82f252c..e246d3d 100644 --- a/drivers/ide/ide-ioctls.c +++ b/drivers/ide/ide-ioctls.c @@ -64,7 +64,8 @@ static int ide_get_identity_ioctl(ide_drive_t *drive, unsigned int cmd, goto out; } - id = kmalloc(size, GFP_KERNEL); + /* ata_id_to_hd_driveid() relies on 'id' to be fully allocated. */ + id = kmalloc(ATA_ID_WORDS * 2, GFP_KERNEL); if (id == NULL) { rc = -ENOMEM; goto out; diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c index c14ca14..ad7be266 100644 --- a/drivers/ide/ide-pm.c +++ b/drivers/ide/ide-pm.c @@ -10,9 +10,11 @@ int generic_ide_suspend(struct device *dev, pm_message_t mesg) struct request_pm_state rqpm; int ret; - /* call ACPI _GTM only once */ - if ((drive->dn & 1) == 0 || pair == NULL) - ide_acpi_get_timing(hwif); + if (ide_port_acpi(hwif)) { + /* call ACPI _GTM only once */ + if ((drive->dn & 1) == 0 || pair == NULL) + ide_acpi_get_timing(hwif); + } memset(&rqpm, 0, sizeof(rqpm)); rq = blk_get_request(drive->queue, READ, __GFP_WAIT); @@ -26,9 +28,11 @@ int generic_ide_suspend(struct device *dev, pm_message_t mesg) ret = blk_execute_rq(drive->queue, NULL, rq, 0); blk_put_request(rq); - /* call ACPI _PS3 only after both devices are suspended */ - if (ret == 0 && ((drive->dn & 1) || pair == NULL)) - ide_acpi_set_state(hwif, 0); + if (ret == 0 && ide_port_acpi(hwif)) { + /* call ACPI _PS3 only after both devices are suspended */ + if ((drive->dn & 1) || pair == NULL) + ide_acpi_set_state(hwif, 0); + } return ret; } @@ -42,13 +46,15 @@ int generic_ide_resume(struct device *dev) struct request_pm_state rqpm; int err; - /* call ACPI _PS0 / _STM only once */ - if ((drive->dn & 1) == 0 || pair == NULL) { - ide_acpi_set_state(hwif, 1); - ide_acpi_push_timing(hwif); - } + if (ide_port_acpi(hwif)) { + /* call ACPI _PS0 / _STM only once */ + if ((drive->dn & 1) == 0 || pair == NULL) { + ide_acpi_set_state(hwif, 1); + ide_acpi_push_timing(hwif); + } - ide_acpi_exec_tfs(drive); + ide_acpi_exec_tfs(drive); + } memset(&rqpm, 0, sizeof(rqpm)); rq = blk_get_request(drive->queue, READ, __GFP_WAIT); diff --git a/include/linux/ide.h b/include/linux/ide.h index cf1f388..edc93a6 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1062,7 +1062,6 @@ int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned l extern int ide_vlb_clk; extern int ide_pci_clk; -unsigned int ide_rq_bytes(struct request *); int ide_end_rq(ide_drive_t *, struct request *, int, unsigned int); void ide_kill_rq(ide_drive_t *, struct request *); @@ -1420,6 +1419,7 @@ static inline void ide_dma_unmap_sg(ide_drive_t *drive, #ifdef CONFIG_BLK_DEV_IDEACPI int ide_acpi_init(void); +bool ide_port_acpi(ide_hwif_t *hwif); extern int ide_acpi_exec_tfs(ide_drive_t *drive); extern void ide_acpi_get_timing(ide_hwif_t *hwif); extern void ide_acpi_push_timing(ide_hwif_t *hwif); @@ -1428,6 +1428,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *); extern void ide_acpi_set_state(ide_hwif_t *hwif, int on); #else static inline int ide_acpi_init(void) { return 0; } +static inline bool ide_port_acpi(ide_hwif_t *hwif) { return 0; } static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; } static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; } static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; } |
