diff options
Diffstat (limited to 'drivers/usb')
36 files changed, 648 insertions, 507 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index e78720b..6836177 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1650,6 +1650,8 @@ static int acm_reset_resume(struct usb_interface *intf) static const struct usb_device_id acm_ids[] = { /* quirky and broken devices */ + { USB_DEVICE(0x076d, 0x0006), /* Denso Cradle CU-321 */ + .driver_info = NO_UNION_NORMAL, },/* has no union descriptor */ { USB_DEVICE(0x17ef, 0x7000), /* Lenovo USB modem */ .driver_info = NO_UNION_NORMAL, },/* has no union descriptor */ { USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */ diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 66abdbc..1163553 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -501,6 +501,7 @@ static void async_completed(struct urb *urb) as->status = urb->status; signr = as->signr; if (signr) { + memset(&sinfo, 0, sizeof(sinfo)); sinfo.si_signo = as->signr; sinfo.si_errno = as->status; sinfo.si_code = SI_ASYNCIO; @@ -2382,6 +2383,7 @@ static void usbdev_remove(struct usb_device *udev) wake_up_all(&ps->wait); list_del_init(&ps->list); if (ps->discsignr) { + memset(&sinfo, 0, sizeof(sinfo)); sinfo.si_signo = ps->discsignr; sinfo.si_errno = EPIPE; sinfo.si_code = SI_ASYNCIO; diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 172d64e..52e0c4e 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -205,6 +205,18 @@ static void dwc3_omap_write_irq0_set(struct dwc3_omap *omap, u32 value) omap->irq0_offset, value); } +static void dwc3_omap_write_irqmisc_clr(struct dwc3_omap *omap, u32 value) +{ + dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_MISC + + omap->irqmisc_offset, value); +} + +static void dwc3_omap_write_irq0_clr(struct dwc3_omap *omap, u32 value) +{ + dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_0 - + omap->irq0_offset, value); +} + static void dwc3_omap_set_mailbox(struct dwc3_omap *omap, enum omap_dwc3_vbus_id_status status) { @@ -345,9 +357,23 @@ static void dwc3_omap_enable_irqs(struct dwc3_omap *omap) static void dwc3_omap_disable_irqs(struct dwc3_omap *omap) { + u32 reg; + /* disable all IRQs */ - dwc3_omap_write_irqmisc_set(omap, 0x00); - dwc3_omap_write_irq0_set(omap, 0x00); + reg = USBOTGSS_IRQO_COREIRQ_ST; + dwc3_omap_write_irq0_clr(omap, reg); + + reg = (USBOTGSS_IRQMISC_OEVT | + USBOTGSS_IRQMISC_DRVVBUS_RISE | + USBOTGSS_IRQMISC_CHRGVBUS_RISE | + USBOTGSS_IRQMISC_DISCHRGVBUS_RISE | + USBOTGSS_IRQMISC_IDPULLUP_RISE | + USBOTGSS_IRQMISC_DRVVBUS_FALL | + USBOTGSS_IRQMISC_CHRGVBUS_FALL | + USBOTGSS_IRQMISC_DISCHRGVBUS_FALL | + USBOTGSS_IRQMISC_IDPULLUP_FALL); + + dwc3_omap_write_irqmisc_clr(omap, reg); } static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32); diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 7564814..c42765b 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -1161,7 +1161,6 @@ static ssize_t interf_grp_compatible_id_store(struct usb_os_desc *desc, if (desc->opts_mutex) mutex_lock(desc->opts_mutex); memcpy(desc->ext_compat_id, page, l); - desc->ext_compat_id[l] = '\0'; if (desc->opts_mutex) mutex_unlock(desc->opts_mutex); @@ -1192,7 +1191,6 @@ static ssize_t interf_grp_sub_compatible_id_store(struct usb_os_desc *desc, if (desc->opts_mutex) mutex_lock(desc->opts_mutex); memcpy(desc->ext_compat_id + 8, page, l); - desc->ext_compat_id[l + 8] = '\0'; if (desc->opts_mutex) mutex_unlock(desc->opts_mutex); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index af98b09..175c995 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -144,10 +144,9 @@ struct ffs_io_data { bool read; struct kiocb *kiocb; - const struct iovec *iovec; - unsigned long nr_segs; - char __user *buf; - size_t len; + struct iov_iter data; + const void *to_free; + char *buf; struct mm_struct *mm; struct work_struct work; @@ -649,29 +648,10 @@ static void ffs_user_copy_worker(struct work_struct *work) io_data->req->actual; if (io_data->read && ret > 0) { - int i; - size_t pos = 0; - - /* - * Since req->length may be bigger than io_data->len (after - * being rounded up to maxpacketsize), we may end up with more - * data then user space has space for. - */ - ret = min_t(int, ret, io_data->len); - use_mm(io_data->mm); - for (i = 0; i < io_data->nr_segs; i++) { - size_t len = min_t(size_t, ret - pos, - io_data->iovec[i].iov_len); - if (!len) - break; - if (unlikely(copy_to_user(io_data->iovec[i].iov_base, - &io_data->buf[pos], len))) { - ret = -EFAULT; - break; - } - pos += len; - } + ret = copy_to_iter(io_data->buf, ret, &io_data->data); + if (iov_iter_count(&io_data->data)) + ret = -EFAULT; unuse_mm(io_data->mm); } @@ -684,7 +664,7 @@ static void ffs_user_copy_worker(struct work_struct *work) io_data->kiocb->private = NULL; if (io_data->read) - kfree(io_data->iovec); + kfree(io_data->to_free); kfree(io_data->buf); kfree(io_data); } @@ -743,6 +723,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) * before the waiting completes, so do not assign to 'gadget' earlier */ struct usb_gadget *gadget = epfile->ffs->gadget; + size_t copied; spin_lock_irq(&epfile->ffs->eps_lock); /* In the meantime, endpoint got disabled or changed. */ @@ -750,34 +731,21 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) spin_unlock_irq(&epfile->ffs->eps_lock); return -ESHUTDOWN; } + data_len = iov_iter_count(&io_data->data); /* * Controller may require buffer size to be aligned to * maxpacketsize of an out endpoint. */ - data_len = io_data->read ? - usb_ep_align_maybe(gadget, ep->ep, io_data->len) : - io_data->len; + if (io_data->read) + data_len = usb_ep_align_maybe(gadget, ep->ep, data_len); spin_unlock_irq(&epfile->ffs->eps_lock); data = kmalloc(data_len, GFP_KERNEL); if (unlikely(!data)) return -ENOMEM; - if (io_data->aio && !io_data->read) { - int i; - size_t pos = 0; - for (i = 0; i < io_data->nr_segs; i++) { - if (unlikely(copy_from_user(&data[pos], - io_data->iovec[i].iov_base, - io_data->iovec[i].iov_len))) { - ret = -EFAULT; - goto error; - } - pos += io_data->iovec[i].iov_len; - } - } else { - if (!io_data->read && - unlikely(__copy_from_user(data, io_data->buf, - io_data->len))) { + if (!io_data->read) { + copied = copy_from_iter(data, data_len, &io_data->data); + if (copied != data_len) { ret = -EFAULT; goto error; } @@ -876,10 +844,8 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data) */ ret = ep->status; if (io_data->read && ret > 0) { - ret = min_t(size_t, ret, io_data->len); - - if (unlikely(copy_to_user(io_data->buf, - data, ret))) + ret = copy_to_iter(data, ret, &io_data->data); + if (unlikely(iov_iter_count(&io_data->data))) ret = -EFAULT; } } @@ -898,37 +864,6 @@ error: return ret; } -static ssize_t -ffs_epfile_write(struct file *file, const char __user *buf, size_t len, - loff_t *ptr) -{ - struct ffs_io_data io_data; - - ENTER(); - - io_data.aio = false; - io_data.read = false; - io_data.buf = (char * __user)buf; - io_data.len = len; - - return ffs_epfile_io(file, &io_data); -} - -static ssize_t -ffs_epfile_read(struct file *file, char __user *buf, size_t len, loff_t *ptr) -{ - struct ffs_io_data io_data; - - ENTER(); - - io_data.aio = false; - io_data.read = true; - io_data.buf = buf; - io_data.len = len; - - return ffs_epfile_io(file, &io_data); -} - static int ffs_epfile_open(struct inode *inode, struct file *file) { @@ -965,67 +900,86 @@ static int ffs_aio_cancel(struct kiocb *kiocb) return value; } -static ssize_t ffs_epfile_aio_write(struct kiocb *kiocb, - const struct iovec *iovec, - unsigned long nr_segs, loff_t loff) +static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from) { - struct ffs_io_data *io_data; + struct ffs_io_data io_data, *p = &io_data; + ssize_t res; ENTER(); - io_data = kmalloc(sizeof(*io_data), GFP_KERNEL); - if (unlikely(!io_data)) - return -ENOMEM; + if (!is_sync_kiocb(kiocb)) { + p = kmalloc(sizeof(io_data), GFP_KERNEL); + if (unlikely(!p)) + return -ENOMEM; + p->aio = true; + } else { + p->aio = false; + } - io_data->aio = true; - io_data->read = false; - io_data->kiocb = kiocb; - io_data->iovec = iovec; - io_data->nr_segs = nr_segs; - io_data->len = kiocb->ki_nbytes; - io_data->mm = current->mm; + p->read = false; + p->kiocb = kiocb; + p->data = *from; + p->mm = current->mm; - kiocb->private = io_data; + kiocb->private = p; kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); - return ffs_epfile_io(kiocb->ki_filp, io_data); + res = ffs_epfile_io(kiocb->ki_filp, p); + if (res == -EIOCBQUEUED) + return res; + if (p->aio) + kfree(p); + else + *from = p->data; + return res; } -static ssize_t ffs_epfile_aio_read(struct kiocb *kiocb, - const struct iovec *iovec, - unsigned long nr_segs, loff_t loff) +static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to) { - struct ffs_io_data *io_data; - struct iovec *iovec_copy; + struct ffs_io_data io_data, *p = &io_data; + ssize_t res; ENTER(); - iovec_copy = kmalloc_array(nr_segs, sizeof(*iovec_copy), GFP_KERNEL); - if (unlikely(!iovec_copy)) - return -ENOMEM; - - memcpy(iovec_copy, iovec, sizeof(struct iovec)*nr_segs); - - io_data = kmalloc(sizeof(*io_data), GFP_KERNEL); - if (unlikely(!io_data)) { - kfree(iovec_copy); - return -ENOMEM; + if (!is_sync_kiocb(kiocb)) { + p = kmalloc(sizeof(io_data), GFP_KERNEL); + if (unlikely(!p)) + return -ENOMEM; + p->aio = true; + } else { + p->aio = false; } - io_data->aio = true; - io_data->read = true; - io_data->kiocb = kiocb; - io_data->iovec = iovec_copy; - io_data->nr_segs = nr_segs; - io_data->len = kiocb->ki_nbytes; - io_data->mm = current->mm; + p->read = true; + p->kiocb = kiocb; + if (p->aio) { + p->to_free = dup_iter(&p->data, to, GFP_KERNEL); + if (!p->to_free) { + kfree(p); + return -ENOMEM; + } + } else { + p->data = *to; + p->to_free = NULL; + } + p->mm = current->mm; - kiocb->private = io_data; + kiocb->private = p; kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); - return ffs_epfile_io(kiocb->ki_filp, io_data); + res = ffs_epfile_io(kiocb->ki_filp, p); + if (res == -EIOCBQUEUED) + return res; + + if (p->aio) { + kfree(p->to_free); + kfree(p); + } else { + *to = p->data; + } + return res; } static int @@ -1105,10 +1059,10 @@ static const struct file_operations ffs_epfile_operations = { .llseek = no_llseek, .open = ffs_epfile_open, - .write = ffs_epfile_write, - .read = ffs_epfile_read, - .aio_write = ffs_epfile_aio_write, - .aio_read = ffs_epfile_aio_read, + .write = new_sync_write, + .read = new_sync_read, + .write_iter = ffs_epfile_write_iter, + .read_iter = ffs_epfile_read_iter, .release = ffs_epfile_release, .unlocked_ioctl = ffs_epfile_ioctl, }; diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index 426d69a..a2612fb 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -569,7 +569,7 @@ fail: return status; } -const struct file_operations f_hidg_fops = { +static const struct file_operations f_hidg_fops = { .owner = THIS_MODULE, .open = f_hidg_open, .release = f_hidg_release, diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c index c89e96c..c0c3ef2 100644 --- a/drivers/usb/gadget/function/f_phonet.c +++ b/drivers/usb/gadget/function/f_phonet.c @@ -417,7 +417,10 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt) return -EINVAL; spin_lock(&port->lock); - __pn_reset(f); + + if (fp->in_ep->driver_data) + __pn_reset(f); + if (alt == 1) { int i; diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index e07c50c..e3dae47 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -344,7 +344,7 @@ static struct usb_endpoint_descriptor ss_int_source_desc = { .bInterval = USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL), }; -struct usb_ss_ep_comp_descriptor ss_int_source_comp_desc = { +static struct usb_ss_ep_comp_descriptor ss_int_source_comp_desc = { .bLength = USB_DT_SS_EP_COMP_SIZE, .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, @@ -362,7 +362,7 @@ static struct usb_endpoint_descriptor ss_int_sink_desc = { .bInterval = USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL), }; -struct usb_ss_ep_comp_descriptor ss_int_sink_comp_desc = { +static struct usb_ss_ep_comp_descriptor ss_int_sink_comp_desc = { .bLength = USB_DT_SS_EP_COMP_SIZE, .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 33e1665..6d3eb8b 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -54,7 +54,7 @@ #define UNFLW_CTRL 8 #define OVFLW_CTRL 10 -const char *uac2_name = "snd_uac2"; +static const char *uac2_name = "snd_uac2"; struct uac2_req { struct uac2_rtd_params *pp; /* parent param */ @@ -634,7 +634,7 @@ static struct usb_interface_descriptor std_ac_if_desc = { }; /* Clock source for IN traffic */ -struct uac_clock_source_descriptor in_clk_src_desc = { +static struct uac_clock_source_descriptor in_clk_src_desc = { .bLength = sizeof in_clk_src_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -646,7 +646,7 @@ struct uac_clock_source_descriptor in_clk_src_desc = { }; /* Clock source for OUT traffic */ -struct uac_clock_source_descriptor out_clk_src_desc = { +static struct uac_clock_source_descriptor out_clk_src_desc = { .bLength = sizeof out_clk_src_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -658,7 +658,7 @@ struct uac_clock_source_descriptor out_clk_src_desc = { }; /* Input Terminal for USB_OUT */ -struct uac2_input_terminal_descriptor usb_out_it_desc = { +static struct uac2_input_terminal_descriptor usb_out_it_desc = { .bLength = sizeof usb_out_it_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -672,7 +672,7 @@ struct uac2_input_terminal_descriptor usb_out_it_desc = { }; /* Input Terminal for I/O-In */ -struct uac2_input_terminal_descriptor io_in_it_desc = { +static struct uac2_input_terminal_descriptor io_in_it_desc = { .bLength = sizeof io_in_it_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -686,7 +686,7 @@ struct uac2_input_terminal_descriptor io_in_it_desc = { }; /* Ouput Terminal for USB_IN */ -struct uac2_output_terminal_descriptor usb_in_ot_desc = { +static struct uac2_output_terminal_descriptor usb_in_ot_desc = { .bLength = sizeof usb_in_ot_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -700,7 +700,7 @@ struct uac2_output_terminal_descriptor usb_in_ot_desc = { }; /* Ouput Terminal for I/O-Out */ -struct uac2_output_terminal_descriptor io_out_ot_desc = { +static struct uac2_output_terminal_descriptor io_out_ot_desc = { .bLength = sizeof io_out_ot_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -713,7 +713,7 @@ struct uac2_output_terminal_descriptor io_out_ot_desc = { .bmControls = (CONTROL_RDWR << COPY_CTRL), }; -struct uac2_ac_header_descriptor ac_hdr_desc = { +static struct uac2_ac_header_descriptor ac_hdr_desc = { .bLength = sizeof ac_hdr_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -751,7 +751,7 @@ static struct usb_interface_descriptor std_as_out_if1_desc = { }; /* Audio Stream OUT Intface Desc */ -struct uac2_as_header_descriptor as_out_hdr_desc = { +static struct uac2_as_header_descriptor as_out_hdr_desc = { .bLength = sizeof as_out_hdr_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -764,7 +764,7 @@ struct uac2_as_header_descriptor as_out_hdr_desc = { }; /* Audio USB_OUT Format */ -struct uac2_format_type_i_descriptor as_out_fmt1_desc = { +static struct uac2_format_type_i_descriptor as_out_fmt1_desc = { .bLength = sizeof as_out_fmt1_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_FORMAT_TYPE, @@ -772,7 +772,7 @@ struct uac2_format_type_i_descriptor as_out_fmt1_desc = { }; /* STD AS ISO OUT Endpoint */ -struct usb_endpoint_descriptor fs_epout_desc = { +static struct usb_endpoint_descriptor fs_epout_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -782,7 +782,7 @@ struct usb_endpoint_descriptor fs_epout_desc = { .bInterval = 1, }; -struct usb_endpoint_descriptor hs_epout_desc = { +static struct usb_endpoint_descriptor hs_epout_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -828,7 +828,7 @@ static struct usb_interface_descriptor std_as_in_if1_desc = { }; /* Audio Stream IN Intface Desc */ -struct uac2_as_header_descriptor as_in_hdr_desc = { +static struct uac2_as_header_descriptor as_in_hdr_desc = { .bLength = sizeof as_in_hdr_desc, .bDescriptorType = USB_DT_CS_INTERFACE, @@ -841,7 +841,7 @@ struct uac2_as_header_descriptor as_in_hdr_desc = { }; /* Audio USB_IN Format */ -struct uac2_format_type_i_descriptor as_in_fmt1_desc = { +static struct uac2_format_type_i_descriptor as_in_fmt1_desc = { .bLength = sizeof as_in_fmt1_desc, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_FORMAT_TYPE, @@ -849,7 +849,7 @@ struct uac2_format_type_i_descriptor as_in_fmt1_desc = { }; /* STD AS ISO IN Endpoint */ -struct usb_endpoint_descriptor fs_epin_desc = { +static struct usb_endpoint_descriptor fs_epin_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -859,7 +859,7 @@ struct usb_endpoint_descriptor fs_epin_desc = { .bInterval = 1, }; -struct usb_endpoint_descriptor hs_epin_desc = { +static struct usb_endpoint_descriptor hs_epin_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, @@ -1563,7 +1563,7 @@ static void afunc_unbind(struct usb_configuration *c, struct usb_function *f) agdev->out_ep->driver_data = NULL; } -struct usb_function *afunc_alloc(struct usb_function_instance *fi) +static struct usb_function *afunc_alloc(struct usb_function_instance *fi) { struct audio_dev *agdev; struct f_uac2_opts *opts; diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c index 5aad7fe..8b818fd 100644 --- a/drivers/usb/gadget/function/uvc_v4l2.c +++ b/drivers/usb/gadget/function/uvc_v4l2.c @@ -27,6 +27,7 @@ #include "uvc.h" #include "uvc_queue.h" #include "uvc_video.h" +#include "uvc_v4l2.h" /* -------------------------------------------------------------------------- * Requests handling diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index 9cb86bc..50a5e63 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -21,6 +21,7 @@ #include "uvc.h" #include "uvc_queue.h" +#include "uvc_video.h" /* -------------------------------------------------------------------------- * Video codecs diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c index 06acfa5..b01b88e 100644 --- a/drivers/usb/gadget/legacy/g_ffs.c +++ b/drivers/usb/gadget/legacy/g_ffs.c @@ -133,7 +133,9 @@ struct gfs_configuration { struct usb_configuration c; int (*eth)(struct usb_configuration *c); int num; -} gfs_configurations[] = { +}; + +static struct gfs_configuration gfs_configurations[] = { #ifdef CONFIG_USB_FUNCTIONFS_RNDIS { .eth = bind_rndis_config, @@ -278,7 +280,7 @@ static void *functionfs_acquire_dev(struct ffs_dev *dev) if (!try_module_get(THIS_MODULE)) return ERR_PTR(-ENOENT); - return 0; + return NULL; } static void functionfs_release_dev(struct ffs_dev *dev) diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index db49ec4..200f9a5 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -74,6 +74,8 @@ MODULE_DESCRIPTION (DRIVER_DESC); MODULE_AUTHOR ("David Brownell"); MODULE_LICENSE ("GPL"); +static int ep_open(struct inode *, struct file *); + /*----------------------------------------------------------------------*/ @@ -283,14 +285,15 @@ static void epio_complete (struct usb_ep *ep, struct usb_request *req) * still need dev->lock to use epdata->ep. */ static int -get_ready_ep (unsigned f_flags, struct ep_data *epdata) +get_ready_ep (unsigned f_flags, struct ep_data *epdata, bool is_write) { int val; if (f_flags & O_NONBLOCK) { if (!mutex_trylock(&epdata->lock)) goto nonblock; - if (epdata->state != STATE_EP_ENABLED) { + if (epdata->state != STATE_EP_ENABLED && + (!is_write || epdata->state != STATE_EP_READY)) { mutex_unlock(&epdata->lock); nonblock: val = -EAGAIN; @@ -305,18 +308,20 @@ nonblock: switch (epdata->state) { case STATE_EP_ENABLED: + return 0; + case STATE_EP_READY: /* not configured yet */ + if (is_write) + return 0; + // FALLTHRU + case STATE_EP_UNBOUND: /* clean disconnect */ break; // case STATE_EP_DISABLED: /* "can't happen" */ - // case STATE_EP_READY: /* "can't happen" */ default: /* error! */ pr_debug ("%s: ep %p not available, state %d\n", shortname, epdata, epdata->state); - // FALLTHROUGH - case STATE_EP_UNBOUND: /* clean disconnect */ - val = -ENODEV; - mutex_unlock(&epdata->lock); } - return val; + mutex_unlock(&epdata->lock); + return -ENODEV; } static ssize_t @@ -363,97 +368,6 @@ ep_io (struct ep_data *epdata, void *buf, unsigned len) return value; } - -/* handle a synchronous OUT bulk/intr/iso transfer */ -static ssize_t -ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr) -{ - struct ep_data *data = fd->private_data; - void *kbuf; - ssize_t value; - - if ((value = get_ready_ep (fd->f_flags, data)) < 0) - return value; - - /* halt any endpoint by doing a "wrong direction" i/o call */ - if (usb_endpoint_dir_in(&data->desc)) { - if (usb_endpoint_xfer_isoc(&data->desc)) { - mutex_unlock(&data->lock); - return -EINVAL; - } - DBG (data->dev, "%s halt\n", data->name); - spin_lock_irq (&data->dev->lock); - if (likely (data->ep != NULL)) - usb_ep_set_halt (data->ep); - spin_unlock_irq (&data->dev->lock); - mutex_unlock(&data->lock); - return -EBADMSG; - } - - /* FIXME readahead for O_NONBLOCK and poll(); careful with ZLPs */ - - value = -ENOMEM; - kbuf = kmalloc (len, GFP_KERNEL); - if (unlikely (!kbuf)) - goto free1; - - value = ep_io (data, kbuf, len); - VDEBUG (data->dev, "%s read %zu OUT, status %d\n", - data->name, len, (int) value); - if (value >= 0 && copy_to_user (buf, kbuf, value)) - value = -EFAULT; - -free1: - mutex_unlock(&data->lock); - kfree (kbuf); - return value; -} - -/* handle a synchronous IN bulk/intr/iso transfer */ -static ssize_t -ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) -{ - struct ep_data *data = fd->private_data; - void *kbuf; - ssize_t value; - - if ((value = get_ready_ep (fd->f_flags, data)) < 0) - return value; - - /* halt any endpoint by doing a "wrong direction" i/o call */ - if (!usb_endpoint_dir_in(&data->desc)) { - if (usb_endpoint_xfer_isoc(&data->desc)) { - mutex_unlock(&data->lock); - return -EINVAL; - } - DBG (data->dev, "%s halt\n", data->name); - spin_lock_irq (&data->dev->lock); - if (likely (data->ep != NULL)) - usb_ep_set_halt (data->ep); - spin_unlock_irq (&data->dev->lock); - mutex_unlock(&data->lock); - return -EBADMSG; - } - - /* FIXME writebehind for O_NONBLOCK and poll(), qlen = 1 */ - - value = -ENOMEM; - kbuf = memdup_user(buf, len); - if (IS_ERR(kbuf)) { - value = PTR_ERR(kbuf); - kbuf = NULL; - goto free1; - } - - value = ep_io (data, kbuf, len); - VDEBUG (data->dev, "%s write %zu IN, status %d\n", - data->name, len, (int) value); -free1: - mutex_unlock(&data->lock); - kfree (kbuf); - return value; -} - static int ep_release (struct inode *inode, struct file *fd) { @@ -481,7 +395,7 @@ static long ep_ioctl(struct file *fd, unsigned code, unsigned long value) struct ep_data *data = fd->private_data; int status; - if ((status = get_ready_ep (fd->f_flags, data)) < 0) + if ((status = get_ready_ep (fd->f_flags, data, false)) < 0) return status; spin_lock_irq (&data->dev->lock); @@ -517,8 +431,8 @@ struct kiocb_priv { struct mm_struct *mm; struct work_struct work; void *buf; - const struct iovec *iv; - unsigned long nr_segs; + struct iov_iter to; + const void *to_free; unsigned actual; }; @@ -541,35 +455,6 @@ static int ep_aio_cancel(struct kiocb *iocb) return value; } -static ssize_t ep_copy_to_user(struct kiocb_priv *priv) -{ - ssize_t len, total; - void *to_copy; - int i; - - /* copy stuff into user buffers */ - total = priv->actual; - len = 0; - to_copy = priv->buf; - for (i=0; i < priv->nr_segs; i++) { - ssize_t this = min((ssize_t)(priv->iv[i].iov_len), total); - - if (copy_to_user(priv->iv[i].iov_base, to_copy, this)) { - if (len == 0) - len = -EFAULT; - break; - } - - total -= this; - len += this; - to_copy += this; - if (total == 0) - break; - } - - return len; -} - static void ep_user_copy_worker(struct work_struct *work) { struct kiocb_priv *priv = container_of(work, struct kiocb_priv, work); @@ -578,13 +463,16 @@ static void ep_user_copy_worker(struct work_struct *work) size_t ret; use_mm(mm); - ret = ep_copy_to_user(priv); + ret = copy_to_iter(priv->buf, priv->actual, &priv->to); unuse_mm(mm); + if (!ret) + ret = -EFAULT; /* completing the iocb can drop the ctx and mm, don't touch mm after */ aio_complete(iocb, ret, ret); kfree(priv->buf); + kfree(priv->to_free); kfree(priv); } @@ -603,8 +491,9 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req) * don't need to copy anything to userspace, so we can * complete the aio request immediately. */ - if (priv->iv == NULL || unlikely(req->actual == 0)) { + if (priv->to_free == NULL || unlikely(req->actual == 0)) { kfree(req->buf); + kfree(priv->to_free); kfree(priv); iocb->private = NULL; /* aio_complete() reports bytes-transferred _and_ faults */ @@ -618,6 +507,7 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req) priv->buf = req->buf; priv->actual = req->actual; + INIT_WORK(&priv->work, ep_user_copy_worker); schedule_work(&priv->work); } spin_unlock(&epdata->dev->lock); @@ -626,38 +516,17 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req) put_ep(epdata); } -static ssize_t -ep_aio_rwtail( - struct kiocb *iocb, - char *buf, - size_t len, - struct ep_data *epdata, - const struct iovec *iv, - unsigned long nr_segs -) +static ssize_t ep_aio(struct kiocb *iocb, + struct kiocb_priv *priv, + struct ep_data *epdata, + char *buf, + size_t len) { - struct kiocb_priv *priv; - struct usb_request *req; - ssize_t value; + struct usb_request *req; + ssize_t value; - priv = kmalloc(sizeof *priv, GFP_KERNEL); - if (!priv) { - value = -ENOMEM; -fail: - kfree(buf); - return value; - } iocb->private = priv; priv->iocb = iocb; - priv->iv = iv; - priv->nr_segs = nr_segs; - INIT_WORK(&priv->work, ep_user_copy_worker); - - value = get_ready_ep(iocb->ki_filp->f_flags, epdata); - if (unlikely(value < 0)) { - kfree(priv); - goto fail; - } kiocb_set_cancel_fn(iocb, ep_aio_cancel); get_ep(epdata); @@ -669,75 +538,154 @@ fail: * allocate or submit those if the host disconnected. */ spin_lock_irq(&epdata->dev->lock); - if (likely(epdata->ep)) { - req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC); - if (likely(req)) { - priv->req = req; - req->buf = buf; - req->length = len; - req->complete = ep_aio_complete; - req->context = iocb; - value = usb_ep_queue(epdata->ep, req, GFP_ATOMIC); - if (unlikely(0 != value)) - usb_ep_free_request(epdata->ep, req); - } else - value = -EAGAIN; - } else - value = -ENODEV; - spin_unlock_irq(&epdata->dev->lock); + value = -ENODEV; + if (unlikely(epdata->ep)) + goto fail; - mutex_unlock(&epdata->lock); + req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC); + value = -ENOMEM; + if (unlikely(!req)) + goto fail; - if (unlikely(value)) { - kfree(priv); - put_ep(epdata); - } else - value = -EIOCBQUEUED; + priv->req = req; + req->buf = buf; + req->length = len; + req->complete = ep_aio_complete; + req->context = iocb; + value = usb_ep_queue(epdata->ep, req, GFP_ATOMIC); + if (unlikely(0 != value)) { + usb_ep_free_request(epdata->ep, req); + goto fail; + } + spin_unlock_irq(&epdata->dev->lock); + return -EIOCBQUEUED; + +fail: + spin_unlock_irq(&epdata->dev->lock); + kfree(priv->to_free); + kfree(priv); + put_ep(epdata); return value; } static ssize_t -ep_aio_read(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t o) +ep_read_iter(struct kiocb *iocb, struct iov_iter *to) { - struct ep_data *epdata = iocb->ki_filp->private_data; - char *buf; + struct file *file = iocb->ki_filp; + struct ep_data *epdata = file->private_data; + size_t len = iov_iter_count(to); + ssize_t value; + char *buf; - if (unlikely(usb_endpoint_dir_in(&epdata->desc))) - return -EINVAL; + if ((value = get_ready_ep(file->f_flags, epdata, false)) < 0) + return value; - buf = kmalloc(iocb->ki_nbytes, GFP_KERNEL); - if (unlikely(!buf)) - return -ENOMEM; + /* halt any endpoint by doing a "wrong direction" i/o call */ + if (usb_endpoint_dir_in(&epdata->desc)) { + if (usb_endpoint_xfer_isoc(&epdata->desc) || + !is_sync_kiocb(iocb)) { + mutex_unlock(&epdata->lock); + return -EINVAL; + } + DBG (epdata->dev, "%s halt\n", epdata->name); + spin_lock_irq(&epdata->dev->lock); + if (likely(epdata->ep != NULL)) + usb_ep_set_halt(epdata->ep); + spin_unlock_irq(&epdata->dev->lock); + mutex_unlock(&epdata->lock); + return -EBADMSG; + } - return ep_aio_rwtail(iocb, buf, iocb->ki_nbytes, epdata, iov, nr_segs); + buf = kmalloc(len, GFP_KERNEL); + if (unlikely(!buf)) { + mutex_unlock(&epdata->lock); + return -ENOMEM; + } + if (is_sync_kiocb(iocb)) { + value = ep_io(epdata, buf, len); + if (value >= 0 && copy_to_iter(buf, value, to)) + value = -EFAULT; + } else { + struct kiocb_priv *priv = kzalloc(sizeof *priv, GFP_KERNEL); + value = -ENOMEM; + if (!priv) + goto fail; + priv->to_free = dup_iter(&priv->to, to, GFP_KERNEL); + if (!priv->to_free) { + kfree(priv); + goto fail; + } + value = ep_aio(iocb, priv, epdata, buf, len); + if (value == -EIOCBQUEUED) + buf = NULL; + } +fail: + kfree(buf); + mutex_unlock(&epdata->lock); + return value; } +static ssize_t ep_config(struct ep_data *, const char *, size_t); + static ssize_t -ep_aio_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t o) +ep_write_iter(struct kiocb *iocb, struct iov_iter *from) { - struct ep_data *epdata = iocb->ki_filp->private_data; - char *buf; - size_t len = 0; - int i = 0; + struct file *file = iocb->ki_filp; + struct ep_data *epdata = file->private_data; + size_t len = iov_iter_count(from); + bool configured; + ssize_t value; + char *buf; + + if ((value = get_ready_ep(file->f_flags, epdata, true)) < 0) + return value; - if (unlikely(!usb_endpoint_dir_in(&epdata->desc))) - return -EINVAL; + configured = epdata->state == STATE_EP_ENABLED; - buf = kmalloc(iocb->ki_nbytes, GFP_KERNEL); - if (unlikely(!buf)) + /* halt any endpoint by doing a "wrong direction" i/o call */ + if (configured && !usb_endpoint_dir_in(&epdata->desc)) { + if (usb_endpoint_xfer_isoc(&epdata->desc) || + !is_sync_kiocb(iocb)) { + mutex_unlock(&epdata->lock); + return -EINVAL; + } + DBG (epdata->dev, "%s halt\n", epdata->name); + spin_lock_irq(&epdata->dev->lock); + if (likely(epdata->ep != NULL)) + usb_ep_set_halt(epdata->ep); + spin_unlock_irq(&epdata->dev->lock); + mutex_unlock(&epdata->lock); + return -EBADMSG; + } + + buf = kmalloc(len, GFP_KERNEL); + if (unlikely(!buf)) { + mutex_unlock(&epdata->lock); return -ENOMEM; + } - for (i=0; i < nr_segs; i++) { - if (unlikely(copy_from_user(&buf[len], iov[i].iov_base, - iov[i].iov_len) != 0)) { - kfree(buf); - return -EFAULT; + if (unlikely(copy_from_iter(buf, len, from) != len)) { + value = -EFAULT; + goto out; + } + + if (unlikely(!configured)) { + value = ep_config(epdata, buf, len); + } else if (is_sync_kiocb(iocb)) { + value = ep_io(epdata, buf, len); + } else { + struct kiocb_priv *priv = kzalloc(sizeof *priv, GFP_KERNEL); + value = -ENOMEM; + if (priv) { + value = ep_aio(iocb, priv, epdata, buf, len); + if (value == -EIOCBQUEUED) + buf = NULL; } - len += iov[i].iov_len; } - return ep_aio_rwtail(iocb, buf, len, epdata, NULL, 0); +out: + kfree(buf); + mutex_unlock(&epdata->lock); + return value; } /*----------------------------------------------------------------------*/ @@ -745,15 +693,15 @@ ep_aio_write(struct kiocb *iocb, const struct iovec *iov, /* used after endpoint configuration */ static const struct file_operations ep_io_operations = { .owner = THIS_MODULE, - .llseek = no_llseek, - .read = ep_read, - .write = ep_write, - .unlocked_ioctl = ep_ioctl, + .open = ep_open, .release = ep_release, - - .aio_read = ep_aio_read, - .aio_write = ep_aio_write, + .llseek = no_llseek, + .read = new_sync_read, + .write = new_sync_write, + .unlocked_ioctl = ep_ioctl, + .read_iter = ep_read_iter, + .write_iter = ep_write_iter, }; /* ENDPOINT INITIALIZATION @@ -770,17 +718,12 @@ static const struct file_operations ep_io_operations = { * speed descriptor, then optional high speed descriptor. */ static ssize_t -ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) +ep_config (struct ep_data *data, const char *buf, size_t len) { - struct ep_data *data = fd->private_data; struct usb_ep *ep; u32 tag; int value, length = len; - value = mutex_lock_interruptible(&data->lock); - if (value < 0) - return value; - if (data->state != STATE_EP_READY) { value = -EL2HLT; goto fail; @@ -791,9 +734,7 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) goto fail0; /* we might need to change message format someday */ - if (copy_from_user (&tag, buf, 4)) { - goto fail1; - } + memcpy(&tag, buf, 4); if (tag != 1) { DBG(data->dev, "config %s, bad tag %d\n", data->name, tag); goto fail0; @@ -806,19 +747,15 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) */ /* full/low speed descriptor, then high speed */ - if (copy_from_user (&data->desc, buf, USB_DT_ENDPOINT_SIZE)) { - goto fail1; - } + memcpy(&data->desc, buf, USB_DT_ENDPOINT_SIZE); if (data->desc.bLength != USB_DT_ENDPOINT_SIZE || data->desc.bDescriptorType != USB_DT_ENDPOINT) goto fail0; if (len != USB_DT_ENDPOINT_SIZE) { if (len != 2 * USB_DT_ENDPOINT_SIZE) goto fail0; - if (copy_from_user (&data->hs_desc, buf + USB_DT_ENDPOINT_SIZE, - USB_DT_ENDPOINT_SIZE)) { - goto fail1; - } + memcpy(&data->hs_desc, buf + USB_DT_ENDPOINT_SIZE, + USB_DT_ENDPOINT_SIZE); if (data->hs_desc.bLength != USB_DT_ENDPOINT_SIZE || data->hs_desc.bDescriptorType != USB_DT_ENDPOINT) { @@ -840,24 +777,20 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) case USB_SPEED_LOW: case USB_SPEED_FULL: ep->desc = &data->desc; - value = usb_ep_enable(ep); - if (value == 0) - data->state = STATE_EP_ENABLED; break; case USB_SPEED_HIGH: /* fails if caller didn't provide that descriptor... */ ep->desc = &data->hs_desc; - value = usb_ep_enable(ep); - if (value == 0) - data->state = STATE_EP_ENABLED; break; default: DBG(data->dev, "unconnected, %s init abandoned\n", data->name); value = -EINVAL; + goto gone; } + value = usb_ep_enable(ep); if (value == 0) { - fd->f_op = &ep_io_operations; + data->state = STATE_EP_ENABLED; value = length; } gone: @@ -867,14 +800,10 @@ fail: data->desc.bDescriptorType = 0; data->hs_desc.bDescriptorType = 0; } - mutex_unlock(&data->lock); return value; fail0: value = -EINVAL; goto fail; -fail1: - value = -EFAULT; - goto fail; } static int @@ -902,15 +831,6 @@ ep_open (struct inode *inode, struct file *fd) return value; } -/* used before endpoint configuration */ -static const struct file_operations ep_config_operations = { - .llseek = no_llseek, - - .open = ep_open, - .write = ep_config, - .release = ep_release, -}; - /*----------------------------------------------------------------------*/ /* EP0 IMPLEMENTATION can be partly in userspace. @@ -989,6 +909,10 @@ ep0_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr) enum ep0_state state; spin_lock_irq (&dev->lock); + if (dev->state <= STATE_DEV_OPENED) { + retval = -EINVAL; + goto done; + } /* report fd mode change before acting on it */ if (dev->setup_abort) { @@ -1187,8 +1111,6 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) struct dev_data *dev = fd->private_data; ssize_t retval = -ESRCH; - spin_lock_irq (&dev->lock); - /* report fd mode change before acting on it */ if (dev->setup_abort) { dev->setup_abort = 0; @@ -1234,7 +1156,6 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) } else DBG (dev, "fail %s, state %d\n", __func__, dev->state); - spin_unlock_irq (&dev->lock); return retval; } @@ -1281,6 +1202,9 @@ ep0_poll (struct file *fd, poll_table *wait) struct dev_data *dev = fd->private_data; int mask = 0; + if (dev->state <= STATE_DEV_OPENED) + return DEFAULT_POLLMASK; + poll_wait(fd, &dev->wait, wait); spin_lock_irq (&dev->lock); @@ -1316,19 +1240,6 @@ static long dev_ioctl (struct file *fd, unsigned code, unsigned long value) return ret; } -/* used after device configuration */ -static const struct file_operations ep0_io_operations = { - .owner = THIS_MODULE, - .llseek = no_llseek, - - .read = ep0_read, - .write = ep0_write, - .fasync = ep0_fasync, - .poll = ep0_poll, - .unlocked_ioctl = dev_ioctl, - .release = dev_release, -}; - /*----------------------------------------------------------------------*/ /* The in-kernel gadget driver handles most ep0 issues, in particular @@ -1650,7 +1561,7 @@ static int activate_ep_files (struct dev_data *dev) goto enomem1; data->dentry = gadgetfs_create_file (dev->sb, data->name, - data, &ep_config_operations); + data, &ep_io_operations); if (!data->dentry) goto enomem2; list_add_tail (&data->epfiles, &dev->epfiles); @@ -1852,6 +1763,14 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) u32 tag; char *kbuf; + spin_lock_irq(&dev->lock); + if (dev->state > STATE_DEV_OPENED) { + value = ep0_write(fd, buf, len, ptr); + spin_unlock_irq(&dev->lock); + return value; + } + spin_unlock_irq(&dev->lock); + if (len < (USB_DT_CONFIG_SIZE + USB_DT_DEVICE_SIZE + 4)) return -EINVAL; @@ -1925,7 +1844,6 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) * on, they can work ... except in cleanup paths that * kick in after the ep0 descriptor is closed. */ - fd->f_op = &ep0_io_operations; value = len; } return value; @@ -1956,12 +1874,14 @@ dev_open (struct inode *inode, struct file *fd) return value; } -static const struct file_operations dev_init_operations = { +static const struct file_operations ep0_operations = { .llseek = no_llseek, .open = dev_open, + .read = ep0_read, .write = dev_config, .fasync = ep0_fasync, + .poll = ep0_poll, .unlocked_ioctl = dev_ioctl, .release = dev_release, }; @@ -2077,7 +1997,7 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) goto Enomem; dev->sb = sb; - dev->dentry = gadgetfs_create_file(sb, CHIP, dev, &dev_init_operations); + dev->dentry = gadgetfs_create_file(sb, CHIP, dev, &ep0_operations); if (!dev->dentry) { put_dev(dev); goto Enomem; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 7f76c8a..fd53c9e 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -37,6 +37,9 @@ #define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31 +#define PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI 0x22b5 +#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI 0xa12f +#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI 0x9d2f static const char hcd_name[] = "xhci_hcd"; @@ -133,6 +136,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) { xhci->quirks |= XHCI_SPURIOUS_REBOOT; } + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + (pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI)) { + xhci->quirks |= XHCI_PME_STUCK_QUIRK; + } if (pdev->vendor == PCI_VENDOR_ID_ETRON && pdev->device == PCI_DEVICE_ID_EJ168) { xhci->quirks |= XHCI_RESET_ON_RESUME; @@ -159,6 +168,21 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) "QUIRK: Resetting on resume"); } +/* + * Make sure PME works on some Intel xHCI controllers by writing 1 to clear + * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4 + */ +static void xhci_pme_quirk(struct xhci_hcd *xhci) +{ + u32 val; + void __iomem *reg; + + reg = (void __iomem *) xhci->cap_regs + 0x80a4; + val = readl(reg); + writel(val | BIT(28), reg); + readl(reg); +} + /* called during probe() after chip reset completes */ static int xhci_pci_setup(struct usb_hcd *hcd) { @@ -283,6 +307,9 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) if (xhci->quirks & XHCI_COMP_MODE_QUIRK) pdev->no_d3cold = true; + if (xhci->quirks & XHCI_PME_STUCK_QUIRK) + xhci_pme_quirk(xhci); + return xhci_suspend(xhci, do_wakeup); } @@ -313,6 +340,9 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) if (pdev->vendor == PCI_VENDOR_ID_INTEL) usb_enable_intel_xhci_ports(pdev); + if (xhci->quirks & XHCI_PME_STUCK_QUIRK) + xhci_pme_quirk(xhci); + retval = xhci_resume(xhci, hibernated); return retval; } diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 08d402b..0e11d61 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -83,16 +83,6 @@ static int xhci_plat_probe(struct platform_device *pdev) if (irq < 0) return -ENODEV; - - if (of_device_is_compatible(pdev->dev.of_node, - "marvell,armada-375-xhci") || - of_device_is_compatible(pdev->dev.of_node, - "marvell,armada-380-xhci")) { - ret = xhci_mvebu_mbus_init_quirk(pdev); - if (ret) - return ret; - } - /* Initialize dma_mask and coherent_dma_mask to 32-bits */ ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); if (ret) @@ -127,6 +117,15 @@ static int xhci_plat_probe(struct platform_device *pdev) goto put_hcd; } + if (of_device_is_compatible(pdev->dev.of_node, + "marvell,armada-375-xhci") || + of_device_is_compatible(pdev->dev.of_node, + "marvell,armada-380-xhci")) { + ret = xhci_mvebu_mbus_init_quirk(pdev); + if (ret) + goto disable_clk; + } + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) goto disable_clk; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 88da8d6..5fb66db 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1729,7 +1729,7 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci, if (!command) return; - ep->ep_state |= EP_HALTED; + ep->ep_state |= EP_HALTED | EP_RECENTLY_HALTED; ep->stopped_stream = stream_id; xhci_queue_reset_ep(xhci, command, slot_id, ep_index); @@ -1946,7 +1946,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, if (event_trb != ep_ring->dequeue) { /* The event was for the status stage */ if (event_trb == td->last_trb) { - if (td->urb->actual_length != 0) { + if (td->urb_length_set) { /* Don't overwrite a previously set error code */ if ((*status == -EINPROGRESS || *status == 0) && @@ -1960,7 +1960,13 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, td->urb->transfer_buffer_length; } } else { - /* Maybe the event was for the data stage? */ + /* + * Maybe the event was for the data stage? If so, update + * already the actual_length of the URB and flag it as + * set, so that it is not overwritten in the event for + * the last TRB. + */ + td->urb_length_set = true; td->urb->actual_length = td->urb->transfer_buffer_length - EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index ec8ac16..b06d1a5 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1338,6 +1338,12 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags) goto exit; } + /* Reject urb if endpoint is in soft reset, queue must stay empty */ + if (xhci->devs[slot_id]->eps[ep_index].ep_state & EP_CONFIG_PENDING) { + xhci_warn(xhci, "Can't enqueue URB while ep is in soft reset\n"); + ret = -EINVAL; + } + if (usb_endpoint_xfer_isoc(&urb->ep->desc)) size = urb->number_of_packets; else @@ -2948,23 +2954,36 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, } } -/* Called when clearing halted device. The core should have sent the control +/* Called after clearing a halted device. USB core should have sent the control * message to clear the device halt condition. The host side of the halt should - * already be cleared with a reset endpoint command issued when the STALL tx - * event was received. - * - * Context: in_interrupt + * already be cleared with a reset endpoint command issued immediately when the + * STALL tx event was received. */ void xhci_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep) { struct xhci_hcd *xhci; + struct usb_device *udev; + struct xhci_virt_device *virt_dev; + struct xhci_virt_ep *virt_ep; + struct xhci_input_control_ctx *ctrl_ctx; + struct xhci_command *command; + unsigned int ep_index, ep_state; + unsigned long flags; + u32 ep_flag; xhci = hcd_to_xhci(hcd); + udev = (struct usb_device *) ep->hcpriv; + if (!ep->hcpriv) + return; + virt_dev = xhci->devs[udev->slot_id]; + ep_index = xhci_get_endpoint_index(&ep->desc); + virt_ep = &virt_dev->eps[ep_index]; + ep_state = virt_ep->ep_state; /* - * We might need to implement the config ep cmd in xhci 4.8.1 note: + * Implement the config ep command in xhci 4.6.8 additional note: * The Reset Endpoint Command may only be issued to endpoints in the * Halted state. If software wishes reset the Data Toggle or Sequence * Number of an endpoint that isn't in the Halted state, then software @@ -2972,9 +2991,72 @@ void xhci_endpoint_reset(struct usb_hcd *hcd, * for the target endpoint. that is in the Stopped state. */ - /* For now just print debug to follow the situation */ - xhci_dbg(xhci, "Endpoint 0x%x ep reset callback called\n", - ep->desc.bEndpointAddress); + if (ep_state & SET_DEQ_PENDING || ep_state & EP_RECENTLY_HALTED) { + virt_ep->ep_state &= ~EP_RECENTLY_HALTED; + xhci_dbg(xhci, "ep recently halted, no toggle reset needed\n"); + return; + } + + /* Only interrupt and bulk ep's use Data toggle, USB2 spec 5.5.4-> */ + if (usb_endpoint_xfer_control(&ep->desc) || + usb_endpoint_xfer_isoc(&ep->desc)) + return; + + ep_flag = xhci_get_endpoint_flag(&ep->desc); + + if (ep_flag == SLOT_FLAG || ep_flag == EP0_FLAG) + return; + + command = xhci_alloc_command(xhci, true, true, GFP_NOWAIT); + if (!command) { + xhci_err(xhci, "Could not allocate xHCI command structure.\n"); + return; + } + + spin_lock_irqsave(&xhci->lock, flags); + + /* block ringing ep doorbell */ + virt_ep->ep_state |= EP_CONFIG_PENDING; + + /* + * Make sure endpoint ring is empty before resetting the toggle/seq. + * Driver is required to synchronously cancel all transfer request. + * + * xhci 4.6.6 says we can issue a configure endpoint command on a + * running endpoint ring as long as it's idle (queue empty) + */ + + if (!list_empty(&virt_ep->ring->td_list)) { + dev_err(&udev->dev, "EP not empty, refuse reset\n"); + spin_unlock_irqrestore(&xhci->lock, flags); + goto cleanup; + } + + xhci_dbg(xhci, "Reset toggle/seq for slot %d, ep_index: %d\n", + udev->slot_id, ep_index); + + ctrl_ctx = xhci_get_input_control_ctx(command->in_ctx); + if (!ctrl_ctx) { + xhci_err(xhci, "Could not get input context, bad type. virt_dev: %p, in_ctx %p\n", + virt_dev, virt_dev->in_ctx); + spin_unlock_irqrestore(&xhci->lock, flags); + goto cleanup; + } + xhci_setup_input_ctx_for_config_ep(xhci, command->in_ctx, + virt_dev->out_ctx, ctrl_ctx, + ep_flag, ep_flag); + xhci_endpoint_copy(xhci, command->in_ctx, virt_dev->out_ctx, ep_index); + + xhci_queue_configure_endpoint(xhci, command, command->in_ctx->dma, + udev->slot_id, false); + xhci_ring_cmd_db(xhci); + spin_unlock_irqrestore(&xhci->lock, flags); + + wait_for_completion(command->completion); + +cleanup: + virt_ep->ep_state &= ~EP_CONFIG_PENDING; + xhci_free_command(xhci, command); } static int xhci_check_streams_endpoint(struct xhci_hcd *xhci, diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 9745147..265ab17 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1,3 +1,4 @@ + /* * xHCI host controller driver * @@ -88,9 +89,10 @@ struct xhci_cap_regs { #define HCS_IST(p) (((p) >> 0) & 0xf) /* bits 4:7, max number of Event Ring segments */ #define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) +/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */ /* bit 26 Scratchpad restore - for save/restore HW state - not used yet */ -/* bits 27:31 number of Scratchpad buffers SW must allocate for the HW */ -#define HCS_MAX_SCRATCHPAD(p) (((p) >> 27) & 0x1f) +/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */ +#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f)) /* HCSPARAMS3 - hcs_params3 - bitmasks */ /* bits 0:7, Max U1 to U0 latency for the roothub ports */ @@ -863,6 +865,8 @@ struct xhci_virt_ep { #define EP_HAS_STREAMS (1 << 4) /* Transitioning the endpoint to not using streams, don't enqueue URBs */ #define EP_GETTING_NO_STREAMS (1 << 5) +#define EP_RECENTLY_HALTED (1 << 6) +#define EP_CONFIG_PENDING (1 << 7) /* ---- Related to URB cancellation ---- */ struct list_head cancelled_td_list; struct xhci_td *stopped_td; @@ -1288,6 +1292,8 @@ struct xhci_td { struct xhci_segment *start_seg; union xhci_trb *first_trb; union xhci_trb *last_trb; + /* actual_length of the URB has already been set */ + bool urb_length_set; }; /* xHCI command default timeout value */ @@ -1560,6 +1566,7 @@ struct xhci_hcd { #define XHCI_SPURIOUS_WAKEUP (1 << 18) /* For controllers with a broken beyond repair streams implementation */ #define XHCI_BROKEN_STREAMS (1 << 19) +#define XHCI_PME_STUCK_QUIRK (1 << 20) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c index eba9b82..3cb98b1 100644 --- a/drivers/usb/isp1760/isp1760-hcd.c +++ b/drivers/usb/isp1760/isp1760-hcd.c @@ -1274,7 +1274,7 @@ static void errata2_function(unsigned long data) for (slot = 0; slot < 32; slot++) if (priv->atl_slots[slot].qh && time_after(jiffies, priv->atl_slots[slot].timestamp + - SLOT_TIMEOUT * HZ / 1000)) { + msecs_to_jiffies(SLOT_TIMEOUT))) { ptd_read(hcd->regs, ATL_PTD_OFFSET, slot, &ptd); if (!FROM_DW0_VALID(ptd.dw0) && !FROM_DW3_ACTIVE(ptd.dw3)) @@ -1286,7 +1286,7 @@ static void errata2_function(unsigned long data) spin_unlock_irqrestore(&priv->lock, spinflags); - errata2_timer.expires = jiffies + SLOT_CHECK_PERIOD * HZ / 1000; + errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD); add_timer(&errata2_timer); } @@ -1336,7 +1336,7 @@ static int isp1760_run(struct usb_hcd *hcd) return retval; setup_timer(&errata2_timer, errata2_function, (unsigned long)hcd); - errata2_timer.expires = jiffies + SLOT_CHECK_PERIOD * HZ / 1000; + errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD); add_timer(&errata2_timer); chipid = reg_read32(hcd->regs, HC_CHIP_ID_REG); diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index e6f4cbf..067920f 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1969,10 +1969,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) goto fail0; } - pm_runtime_use_autosuspend(musb->controller); - pm_runtime_set_autosuspend_delay(musb->controller, 200); - pm_runtime_enable(musb->controller); - spin_lock_init(&musb->lock); musb->board_set_power = plat->set_power; musb->min_power = plat->min_power; @@ -1991,6 +1987,12 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) musb_readl = musb_default_readl; musb_writel = musb_default_writel; + /* We need musb_read/write functions initialized for PM */ + pm_runtime_use_autosuspend(musb->controller); + pm_runtime_set_autosuspend_delay(musb->controller, 200); + pm_runtime_irq_safe(musb->controller); + pm_runtime_enable(musb->controller); + /* The musb_platform_init() call: * - adjusts musb->mregs * - sets the musb->isr diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 53bd0e7..a900c98 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -457,12 +457,27 @@ static int dsps_musb_init(struct musb *musb) if (IS_ERR(musb->xceiv)) return PTR_ERR(musb->xceiv); + musb->phy = devm_phy_get(dev->parent, "usb2-phy"); + /* Returns zero if e.g. not clocked */ rev = dsps_readl(reg_base, wrp->revision); if (!rev) return -ENODEV; usb_phy_init(musb->xceiv); + if (IS_ERR(musb->phy)) { + musb->phy = NULL; + } else { + ret = phy_init(musb->phy); + if (ret < 0) + return ret; + ret = phy_power_on(musb->phy); + if (ret) { + phy_exit(musb->phy); + return ret; + } + } + setup_timer(&glue->timer, otg_timer, (unsigned long) musb); /* Reset the musb */ @@ -502,6 +517,8 @@ static int dsps_musb_exit(struct musb *musb) del_timer_sync(&glue->timer); usb_phy_shutdown(musb->xceiv); + phy_power_off(musb->phy); + phy_exit(musb->phy); debugfs_remove_recursive(glue->dbgfs_root); return 0; @@ -610,7 +627,7 @@ static int dsps_musb_reset(struct musb *musb) struct device *dev = musb->controller; struct dsps_glue *glue = dev_get_drvdata(dev->parent); const struct dsps_musb_wrapper *wrp = glue->wrp; - int session_restart = 0; + int session_restart = 0, error; if (glue->sw_babble_enabled) session_restart = sw_babble_control(musb); @@ -624,8 +641,14 @@ static int dsps_musb_reset(struct musb *musb) dsps_writel(musb->ctrl_base, wrp->control, (1 << wrp->reset)); usleep_range(100, 200); usb_phy_shutdown(musb->xceiv); + error = phy_power_off(musb->phy); + if (error) + dev_err(dev, "phy shutdown failed: %i\n", error); usleep_range(100, 200); usb_phy_init(musb->xceiv); + error = phy_power_on(musb->phy); + if (error) + dev_err(dev, "phy powerup failed: %i\n", error); session_restart = 1; } @@ -687,7 +710,7 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue, struct musb_hdrc_config *config; struct platform_device *musb; struct device_node *dn = parent->dev.of_node; - int ret; + int ret, val; memset(resources, 0, sizeof(resources)); res = platform_get_resource_byname(parent, IORESOURCE_MEM, "mc"); @@ -739,7 +762,10 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue, pdata.mode = get_musb_port_mode(dev); /* DT keeps this entry in mA, musb expects it as per USB spec */ pdata.power = get_int_prop(dn, "mentor,power") / 2; - config->multipoint = of_property_read_bool(dn, "mentor,multipoint"); + + ret = of_property_read_u32(dn, "mentor,multipoint", &val); + if (!ret && val) + config->multipoint = true; ret = platform_device_add_data(musb, &pdata, sizeof(pdata)); if (ret) { diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 883a9ad..c3d5fc9 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2613,7 +2613,7 @@ static const struct hc_driver musb_hc_driver = { .description = "musb-hcd", .product_desc = "MUSB HDRC host driver", .hcd_priv_size = sizeof(struct musb *), - .flags = HCD_USB2 | HCD_MEMORY, + .flags = HCD_USB2 | HCD_MEMORY | HCD_BH, /* not using irq handler or reset hooks from usbcore, since * those must be shared with peripheral code for OTG configs diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 763649e..cc752d8 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -516,7 +516,7 @@ static int omap2430_probe(struct platform_device *pdev) struct omap2430_glue *glue; struct device_node *np = pdev->dev.of_node; struct musb_hdrc_config *config; - int ret = -ENOMEM; + int ret = -ENOMEM, val; glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL); if (!glue) @@ -559,7 +559,10 @@ static int omap2430_probe(struct platform_device *pdev) of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps); of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits); of_property_read_u32(np, "power", (u32 *)&pdata->power); - config->multipoint = of_property_read_bool(np, "multipoint"); + + ret = of_property_read_u32(np, "multipoint", &val); + if (!ret && val) + config->multipoint = true; pdata->board_data = data; pdata->config = config; diff --git a/drivers/usb/renesas_usbhs/Kconfig b/drivers/usb/renesas_usbhs/Kconfig index de83b9d..ebc99ee 100644 --- a/drivers/usb/renesas_usbhs/Kconfig +++ b/drivers/usb/renesas_usbhs/Kconfig @@ -6,6 +6,7 @@ config USB_RENESAS_USBHS tristate 'Renesas USBHS controller' depends on USB_GADGET depends on ARCH_SHMOBILE || SUPERH || COMPILE_TEST + depends on EXTCON || !EXTCON # if EXTCON=m, USBHS cannot be built-in default n help Renesas USBHS is a discrete USB host and peripheral controller chip diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c index 9374bd2..8936a83 100644 --- a/drivers/usb/serial/bus.c +++ b/drivers/usb/serial/bus.c @@ -38,56 +38,51 @@ static int usb_serial_device_match(struct device *dev, return 0; } -static ssize_t port_number_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct usb_serial_port *port = to_usb_serial_port(dev); - - return sprintf(buf, "%d\n", port->port_number); -} -static DEVICE_ATTR_RO(port_number); - static int usb_serial_device_probe(struct device *dev) { struct usb_serial_driver *driver; struct usb_serial_port *port; + struct device *tty_dev; int retval = 0; int minor; port = to_usb_serial_port(dev); - if (!port) { - retval = -ENODEV; - goto exit; - } + if (!port) + return -ENODEV; /* make sure suspend/resume doesn't race against port_probe */ retval = usb_autopm_get_interface(port->serial->interface); if (retval) - goto exit; + return retval; driver = port->serial->type; if (driver->port_probe) { retval = driver->port_probe(port); if (retval) - goto exit_with_autopm; + goto err_autopm_put; } - retval = device_create_file(dev, &dev_attr_port_number); - if (retval) { - if (driver->port_remove) - retval = driver->port_remove(port); - goto exit_with_autopm; + minor = port->minor; + tty_dev = tty_register_device(usb_serial_tty_driver, minor, dev); + if (IS_ERR(tty_dev)) { + retval = PTR_ERR(tty_dev); + goto err_port_remove; } - minor = port->minor; - tty_register_device(usb_serial_tty_driver, minor, dev); + usb_autopm_put_interface(port->serial->interface); + dev_info(&port->serial->dev->dev, "%s converter now attached to ttyUSB%d\n", driver->description, minor); -exit_with_autopm: + return 0; + +err_port_remove: + if (driver->port_remove) + driver->port_remove(port); +err_autopm_put: usb_autopm_put_interface(port->serial->interface); -exit: + return retval; } @@ -114,8 +109,6 @@ static int usb_serial_device_remove(struct device *dev) minor = port->minor; tty_unregister_device(usb_serial_tty_driver, minor); - device_remove_file(&port->dev, &dev_attr_port_number); - driver = port->serial->type; if (driver->port_remove) retval = driver->port_remove(port); diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 2d72aa3..ede4f5f 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -84,6 +84,10 @@ struct ch341_private { u8 line_status; /* active status of modem control inputs */ }; +static void ch341_set_termios(struct tty_struct *tty, + struct usb_serial_port *port, + struct ktermios *old_termios); + static int ch341_control_out(struct usb_device *dev, u8 request, u16 value, u16 index) { @@ -309,19 +313,12 @@ static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port) struct ch341_private *priv = usb_get_serial_port_data(port); int r; - priv->baud_rate = DEFAULT_BAUD_RATE; - r = ch341_configure(serial->dev, priv); if (r) goto out; - r = ch341_set_handshake(serial->dev, priv->line_control); - if (r) - goto out; - - r = ch341_set_baudrate(serial->dev, priv); - if (r) - goto out; + if (tty) + ch341_set_termios(tty, port, NULL); dev_dbg(&port->dev, "%s - submitting interrupt urb\n", __func__); r = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 29fa1c3..3806e70 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -14,6 +14,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/kernel.h> +#include <linux/module.h> #include <linux/slab.h> #include <linux/tty.h> #include <linux/console.h> @@ -144,6 +145,7 @@ static int usb_console_setup(struct console *co, char *options) init_ldsem(&tty->ldisc_sem); INIT_LIST_HEAD(&tty->tty_files); kref_get(&tty->driver->kref); + __module_get(tty->driver->owner); tty->ops = &usb_console_fake_tty_ops; if (tty_init_termios(tty)) { retval = -ENOMEM; diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index f40c856..84ce2d7 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -147,6 +147,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x166A, 0x0305) }, /* Clipsal C-5000CT2 C-Bus Spectrum Colour Touchscreen */ { USB_DEVICE(0x166A, 0x0401) }, /* Clipsal L51xx C-Bus Architectural Dimmer */ { USB_DEVICE(0x166A, 0x0101) }, /* Clipsal 5560884 C-Bus Multi-room Audio Matrix Switcher */ + { USB_DEVICE(0x16C0, 0x09B0) }, /* Lunatico Seletek */ + { USB_DEVICE(0x16C0, 0x09B1) }, /* Lunatico Seletek */ { USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */ { USB_DEVICE(0x16DC, 0x0010) }, /* W-IE-NE-R Plein & Baus GmbH PL512 Power Supply */ { USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 1ebb351..3086dec 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -799,6 +799,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) }, + { USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID), @@ -978,6 +980,23 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) }, /* GE Healthcare devices */ { USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) }, + /* Active Research (Actisense) devices */ + { USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_D9AC_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_D9AD_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_D9AE_PID) }, + { USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) }, + { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index e52409c..56b1b55 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -38,6 +38,9 @@ #define FTDI_LUMEL_PD12_PID 0x6002 +/* Cyber Cortex AV by Fabulous Silicon (http://fabuloussilicon.com) */ +#define CYBER_CORTEX_AV_PID 0x8698 + /* * Marvell OpenRD Base, Client * http://www.open-rd.org @@ -1438,3 +1441,23 @@ */ #define GE_HEALTHCARE_VID 0x1901 #define GE_HEALTHCARE_NEMO_TRACKER_PID 0x0015 + +/* + * Active Research (Actisense) devices + */ +#define ACTISENSE_NDC_PID 0xD9A8 /* NDC USB Serial Adapter */ +#define ACTISENSE_USG_PID 0xD9A9 /* USG USB Serial Adapter */ +#define ACTISENSE_NGT_PID 0xD9AA /* NGT NMEA2000 Interface */ +#define ACTISENSE_NGW_PID 0xD9AB /* NGW NMEA2000 Gateway */ +#define ACTISENSE_D9AC_PID 0xD9AC /* Actisense Reserved */ +#define ACTISENSE_D9AD_PID 0xD9AD /* Actisense Reserved */ +#define ACTISENSE_D9AE_PID 0xD9AE /* Actisense Reserved */ +#define ACTISENSE_D9AF_PID 0xD9AF /* Actisense Reserved */ +#define CHETCO_SEAGAUGE_PID 0xA548 /* SeaGauge USB Adapter */ +#define CHETCO_SEASWITCH_PID 0xA549 /* SeaSwitch USB Adapter */ +#define CHETCO_SEASMART_NMEA2000_PID 0xA54A /* SeaSmart NMEA2000 Gateway */ +#define CHETCO_SEASMART_ETHERNET_PID 0xA54B /* SeaSmart Ethernet Gateway */ +#define CHETCO_SEASMART_WIFI_PID 0xA5AC /* SeaSmart Wifi Gateway */ +#define CHETCO_SEASMART_DISPLAY_PID 0xA5AD /* SeaSmart NMEA2000 Display */ +#define CHETCO_SEASMART_LITE_PID 0xA5AE /* SeaSmart Lite USB Adapter */ +#define CHETCO_SEASMART_ANALOG_PID 0xA5AF /* SeaSmart Analog Adapter */ diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index ccf1df7..54e170d 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -258,7 +258,8 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout) * character or at least one jiffy. */ period = max_t(unsigned long, (10 * HZ / bps), 1); - period = min_t(unsigned long, period, timeout); + if (timeout) + period = min_t(unsigned long, period, timeout); dev_dbg(&port->dev, "%s - timeout = %u ms, period = %u ms\n", __func__, jiffies_to_msecs(timeout), @@ -268,7 +269,7 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout) schedule_timeout_interruptible(period); if (signal_pending(current)) break; - if (time_after(jiffies, expire)) + if (timeout && time_after(jiffies, expire)) break; } } diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c index ab1d690..460a406 100644 --- a/drivers/usb/serial/mxuport.c +++ b/drivers/usb/serial/mxuport.c @@ -1284,7 +1284,8 @@ static int mxuport_open(struct tty_struct *tty, struct usb_serial_port *port) } /* Initial port termios */ - mxuport_set_termios(tty, port, NULL); + if (tty) + mxuport_set_termios(tty, port, NULL); /* * TODO: use RQ_VENDOR_GET_MSR, once we know what it diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 0f872e6..829604d 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -132,6 +132,7 @@ MODULE_DEVICE_TABLE(usb, id_table); #define UART_OVERRUN_ERROR 0x40 #define UART_CTS 0x80 +static void pl2303_set_break(struct usb_serial_port *port, bool enable); enum pl2303_type { TYPE_01, /* Type 0 and 1 (difference unknown) */ @@ -615,6 +616,7 @@ static void pl2303_close(struct usb_serial_port *port) { usb_serial_generic_close(port); usb_kill_urb(port->interrupt_in_urb); + pl2303_set_break(port, false); } static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port) @@ -741,17 +743,16 @@ static int pl2303_ioctl(struct tty_struct *tty, return -ENOIOCTLCMD; } -static void pl2303_break_ctl(struct tty_struct *tty, int break_state) +static void pl2303_set_break(struct usb_serial_port *port, bool enable) { - struct usb_serial_port *port = tty->driver_data; struct usb_serial *serial = port->serial; u16 state; int result; - if (break_state == 0) - state = BREAK_OFF; - else + if (enable) state = BREAK_ON; + else + state = BREAK_OFF; dev_dbg(&port->dev, "%s - turning break %s\n", __func__, state == BREAK_OFF ? "off" : "on"); @@ -763,6 +764,13 @@ static void pl2303_break_ctl(struct tty_struct *tty, int break_state) dev_err(&port->dev, "error sending break = %d\n", result); } +static void pl2303_break_ctl(struct tty_struct *tty, int state) +{ + struct usb_serial_port *port = tty->driver_data; + + pl2303_set_break(port, state); +} + static void pl2303_update_line_status(struct usb_serial_port *port, unsigned char *data, unsigned int actual_length) diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 475723c..529066b 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -687,6 +687,21 @@ static void serial_port_dtr_rts(struct tty_port *port, int on) drv->dtr_rts(p, on); } +static ssize_t port_number_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct usb_serial_port *port = to_usb_serial_port(dev); + + return sprintf(buf, "%u\n", port->port_number); +} +static DEVICE_ATTR_RO(port_number); + +static struct attribute *usb_serial_port_attrs[] = { + &dev_attr_port_number.attr, + NULL +}; +ATTRIBUTE_GROUPS(usb_serial_port); + static const struct tty_port_operations serial_port_ops = { .carrier_raised = serial_port_carrier_raised, .dtr_rts = serial_port_dtr_rts, @@ -902,6 +917,7 @@ static int usb_serial_probe(struct usb_interface *interface, port->dev.driver = NULL; port->dev.bus = &usb_serial_bus_type; port->dev.release = &usb_serial_port_release; + port->dev.groups = usb_serial_port_groups; device_initialize(&port->dev); } @@ -940,8 +956,9 @@ static int usb_serial_probe(struct usb_interface *interface, port = serial->port[i]; if (kfifo_alloc(&port->write_fifo, PAGE_SIZE, GFP_KERNEL)) goto probe_error; - buffer_size = max_t(int, serial->type->bulk_out_size, - usb_endpoint_maxp(endpoint)); + buffer_size = serial->type->bulk_out_size; + if (!buffer_size) + buffer_size = usb_endpoint_maxp(endpoint); port->bulk_out_size = buffer_size; port->bulk_out_endpointAddress = endpoint->bEndpointAddress; diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index dbc00e5..8257042 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -113,6 +113,13 @@ UNUSUAL_DEV(0x0bc2, 0xab2a, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_ATA_1X), +/* Reported-by: Tom Arild Naess <tanaess@gmail.com> */ +UNUSUAL_DEV(0x152d, 0x0539, 0x0000, 0x9999, + "JMicron", + "JMS539", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_REPORT_OPCODES), + /* Reported-by: Claudio Bizzarri <claudio.bizzarri@gmail.com> */ UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999, "JMicron", diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index d468d02..5600c33 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -889,6 +889,12 @@ static void usb_stor_scan_dwork(struct work_struct *work) !(us->fflags & US_FL_SCM_MULT_TARG)) { mutex_lock(&us->dev_mutex); us->max_lun = usb_stor_Bulk_max_lun(us); + /* + * Allow proper scanning of devices that present more than 8 LUNs + * While not affecting other devices that may need the previous behavior + */ + if (us->max_lun >= 8) + us_to_host(us)->max_lun = us->max_lun+1; mutex_unlock(&us->dev_mutex); } scsi_scan_host(us_to_host(us)); |
