diff options
98 files changed, 1264 insertions, 851 deletions
diff --git a/Documentation/DocBook/writing_usb_driver.tmpl b/Documentation/DocBook/writing_usb_driver.tmpl index 07cd34c..d4188d4 100644 --- a/Documentation/DocBook/writing_usb_driver.tmpl +++ b/Documentation/DocBook/writing_usb_driver.tmpl @@ -345,8 +345,7 @@ static inline void skel_delete (struct usb_skel *dev) usb_buffer_free (dev->udev, dev->bulk_out_size, dev->bulk_out_buffer, dev->write_urb->transfer_dma); - if (dev->write_urb != NULL) - usb_free_urb (dev->write_urb); + usb_free_urb (dev->write_urb); kfree (dev); } </programlisting> diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c index bda4533..e275dd4 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c @@ -561,8 +561,7 @@ static struct notifier_block usb_pcwd_notifier = { */ static inline void usb_pcwd_delete (struct usb_pcwd_private *usb_pcwd) { - if (usb_pcwd->intr_urb != NULL) - usb_free_urb (usb_pcwd->intr_urb); + usb_free_urb(usb_pcwd->intr_urb); if (usb_pcwd->intr_buffer != NULL) usb_buffer_free(usb_pcwd->udev, usb_pcwd->intr_size, usb_pcwd->intr_buffer, usb_pcwd->intr_dma); diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index 105112f..80cdebc 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -178,9 +178,9 @@ static int iforce_usb_probe(struct usb_interface *intf, fail: if (iforce) { - if (iforce->irq) usb_free_urb(iforce->irq); - if (iforce->out) usb_free_urb(iforce->out); - if (iforce->ctrl) usb_free_urb(iforce->ctrl); + usb_free_urb(iforce->irq); + usb_free_urb(iforce->out); + usb_free_urb(iforce->ctrl); kfree(iforce); } diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c index 4ffa9eb..5ebf49ac9 100644 --- a/drivers/isdn/gigaset/usb-gigaset.c +++ b/drivers/isdn/gigaset/usb-gigaset.c @@ -815,14 +815,11 @@ static int gigaset_probe(struct usb_interface *interface, return 0; error: - if (ucs->read_urb) - usb_kill_urb(ucs->read_urb); + usb_kill_urb(ucs->read_urb); kfree(ucs->bulk_out_buffer); - if (ucs->bulk_out_urb != NULL) - usb_free_urb(ucs->bulk_out_urb); + usb_free_urb(ucs->bulk_out_urb); kfree(cs->inbuf[0].rcvbuf); - if (ucs->read_urb != NULL) - usb_free_urb(ucs->read_urb); + usb_free_urb(ucs->read_urb); usb_set_intfdata(interface, NULL); ucs->read_urb = ucs->bulk_out_urb = NULL; cs->inbuf[0].rcvbuf = ucs->bulk_out_buffer = NULL; @@ -850,11 +847,9 @@ static void gigaset_disconnect(struct usb_interface *interface) usb_kill_urb(ucs->bulk_out_urb); /* FIXME: only if active? */ kfree(ucs->bulk_out_buffer); - if (ucs->bulk_out_urb != NULL) - usb_free_urb(ucs->bulk_out_urb); + usb_free_urb(ucs->bulk_out_urb); kfree(cs->inbuf[0].rcvbuf); - if (ucs->read_urb != NULL) - usb_free_urb(ucs->read_urb); + usb_free_urb(ucs->read_urb); ucs->read_urb = ucs->bulk_out_urb = NULL; cs->inbuf[0].rcvbuf = ucs->bulk_out_buffer = NULL; diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index ff7d4f56..55bc891 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -275,8 +275,7 @@ static void cinergyt2_free_stream_urbs (struct cinergyt2 *cinergyt2) int i; for (i=0; i<STREAM_URB_COUNT; i++) - if (cinergyt2->stream_urb[i]) - usb_free_urb(cinergyt2->stream_urb[i]); + usb_free_urb(cinergyt2->stream_urb[i]); usb_buffer_free(cinergyt2->udev, STREAM_URB_COUNT*STREAM_BUF_SIZE, cinergyt2->streambuf, cinergyt2->streambuf_dmahandle); @@ -320,8 +319,7 @@ static void cinergyt2_stop_stream_xfer (struct cinergyt2 *cinergyt2) cinergyt2_control_stream_transfer(cinergyt2, 0); for (i=0; i<STREAM_URB_COUNT; i++) - if (cinergyt2->stream_urb[i]) - usb_kill_urb(cinergyt2->stream_urb[i]); + usb_kill_urb(cinergyt2->stream_urb[i]); } static int cinergyt2_start_stream_xfer (struct cinergyt2 *cinergyt2) diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c index a1c9fa9..8135f3e 100644 --- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c @@ -1135,8 +1135,7 @@ static void ttusb_dec_free_iso_urbs(struct ttusb_dec *dec) dprintk("%s\n", __FUNCTION__); for (i = 0; i < ISO_BUF_COUNT; i++) - if (dec->iso_urb[i]) - usb_free_urb(dec->iso_urb[i]); + usb_free_urb(dec->iso_urb[i]); pci_free_consistent(NULL, ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index f920e0c..1f78733 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -1953,8 +1953,8 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, return hdw; fail: if (hdw) { - if (hdw->ctl_read_urb) usb_free_urb(hdw->ctl_read_urb); - if (hdw->ctl_write_urb) usb_free_urb(hdw->ctl_write_urb); + usb_free_urb(hdw->ctl_read_urb); + usb_free_urb(hdw->ctl_write_urb); if (hdw->ctl_read_buffer) kfree(hdw->ctl_read_buffer); if (hdw->ctl_write_buffer) kfree(hdw->ctl_write_buffer); if (hdw->controls) kfree(hdw->controls); @@ -2575,12 +2575,10 @@ static void pvr2_ctl_timeout(unsigned long data) struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; if (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) { hdw->ctl_timeout_flag = !0; - if (hdw->ctl_write_pend_flag && hdw->ctl_write_urb) { + if (hdw->ctl_write_pend_flag) usb_unlink_urb(hdw->ctl_write_urb); - } - if (hdw->ctl_read_pend_flag && hdw->ctl_read_urb) { + if (hdw->ctl_read_pend_flag) usb_unlink_urb(hdw->ctl_read_urb); - } } } diff --git a/drivers/media/video/pvrusb2/pvrusb2-io.c b/drivers/media/video/pvrusb2/pvrusb2-io.c index 70aa63e..57fb320 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-io.c +++ b/drivers/media/video/pvrusb2/pvrusb2-io.c @@ -289,7 +289,7 @@ static void pvr2_buffer_done(struct pvr2_buffer *bp) pvr2_buffer_set_none(bp); bp->signature = 0; bp->stream = NULL; - if (bp->purb) usb_free_urb(bp->purb); + usb_free_urb(bp->purb); pvr2_trace(PVR2_TRACE_BUF_POOL,"/*---TRACE_FLOW---*/" " bufferDone %p",bp); } diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index e8db6e5..a996aad 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -866,11 +866,9 @@ int pwc_isoc_init(struct pwc_device *pdev) } if (ret) { /* De-allocate in reverse order */ - while (i >= 0) { - if (pdev->sbuf[i].urb != NULL) - usb_free_urb(pdev->sbuf[i].urb); + while (i--) { + usb_free_urb(pdev->sbuf[i].urb); pdev->sbuf[i].urb = NULL; - i--; } return ret; } diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index 42fb60d..18458d4 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -775,7 +775,7 @@ static int sn9c102_start_transfer(struct sn9c102_device* cam) return 0; free_urbs: - for (i = 0; (i < SN9C102_URBS) && cam->urb[i]; i++) + for (i = 0; i < SN9C102_URBS; i++) usb_free_urb(cam->urb[i]); free_buffers: diff --git a/drivers/media/video/usbvideo/quickcam_messenger.c b/drivers/media/video/usbvideo/quickcam_messenger.c index 9a26b94..bbf2bee 100644 --- a/drivers/media/video/usbvideo/quickcam_messenger.c +++ b/drivers/media/video/usbvideo/quickcam_messenger.c @@ -190,8 +190,7 @@ static int qcm_alloc_int_urb(struct qcm *cam) static void qcm_free_int(struct qcm *cam) { - if (cam->button_urb) - usb_free_urb(cam->button_urb); + usb_free_urb(cam->button_urb); } #endif /* CONFIG_INPUT */ diff --git a/drivers/media/video/zc0301/zc0301_core.c b/drivers/media/video/zc0301/zc0301_core.c index 5b55634..52d0f75 100644 --- a/drivers/media/video/zc0301/zc0301_core.c +++ b/drivers/media/video/zc0301/zc0301_core.c @@ -489,7 +489,7 @@ static int zc0301_start_transfer(struct zc0301_device* cam) return 0; free_urbs: - for (i = 0; (i < ZC0301_URBS) && cam->urb[i]; i++) + for (i = 0; i < ZC0301_URBS; i++) usb_free_urb(cam->urb[i]); free_buffers: diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index 14bda76..6e95645 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -1793,10 +1793,8 @@ err_out_3: err_out_2: usb_free_urb(self->tx_urb); err_out_1: - for (i = 0; i < self->max_rx_urb; i++) { - if (self->rx_urb[i]) - usb_free_urb(self->rx_urb[i]); - } + for (i = 0; i < self->max_rx_urb; i++) + usb_free_urb(self->rx_urb[i]); free_netdev(net); err_out: return ret; diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c index 36b29ff..6cb66a3 100644 --- a/drivers/net/wireless/zd1201.c +++ b/drivers/net/wireless/zd1201.c @@ -1828,10 +1828,8 @@ err_start: /* Leave the device in reset state */ zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); err_zd: - if (zd->tx_urb) - usb_free_urb(zd->tx_urb); - if (zd->rx_urb) - usb_free_urb(zd->rx_urb); + usb_free_urb(zd->tx_urb); + usb_free_urb(zd->rx_urb); kfree(zd); return err; } diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index c870c80..a823486 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -834,8 +834,8 @@ static int speedtch_bind(struct usbatm_data *usbatm, const struct usb_endpoint_descriptor *endpoint_desc = &desc->endpoint[i].desc; if ((endpoint_desc->bEndpointAddress == target_address)) { - use_isoc = (endpoint_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_ISOC; + use_isoc = + usb_endpoint_xfer_isoc(endpoint_desc); break; } } diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index f6b9f7e..c137c04 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -401,9 +401,8 @@ static int uea_send_modem_cmd(struct usb_device *usb, int ret = -ENOMEM; u8 *xfer_buff; - xfer_buff = kmalloc(size, GFP_KERNEL); + xfer_buff = kmemdup(buff, size, GFP_KERNEL); if (xfer_buff) { - memcpy(xfer_buff, buff, size); ret = usb_control_msg(usb, usb_sndctrlpipe(usb, 0), LOAD_INTERNAL, @@ -595,14 +594,12 @@ static int uea_idma_write(struct uea_softc *sc, void *data, u32 size) u8 *xfer_buff; int bytes_read; - xfer_buff = kmalloc(size, GFP_KERNEL); + xfer_buff = kmemdup(data, size, GFP_KERNEL); if (!xfer_buff) { uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); return ret; } - memcpy(xfer_buff, data, size); - ret = usb_bulk_msg(sc->usb_dev, usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), xfer_buff, size, &bytes_read, BULK_TIMEOUT); @@ -765,12 +762,11 @@ static int uea_request(struct uea_softc *sc, u8 *xfer_buff; int ret = -ENOMEM; - xfer_buff = kmalloc(size, GFP_KERNEL); + xfer_buff = kmemdup(data, size, GFP_KERNEL); if (!xfer_buff) { uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); return ret; } - memcpy(xfer_buff, data, size); ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), UCDC_SEND_ENCAPSULATED_COMMAND, diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 9a9012f..ec3438d 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -892,7 +892,7 @@ skip_normal_probe: /* workaround for switched endpoints */ - if ((epread->bEndpointAddress & USB_DIR_IN) != USB_DIR_IN) { + if (!usb_endpoint_dir_in(epread)) { /* descriptors are swapped */ struct usb_endpoint_descriptor *t; dev_dbg(&intf->dev,"The data interface has switched endpoints"); diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig index 6e3b535..f8324d8 100644 --- a/drivers/usb/core/Kconfig +++ b/drivers/usb/core/Kconfig @@ -72,6 +72,21 @@ config USB_SUSPEND If you are unsure about this, say N here. +config USB_MULTITHREAD_PROBE + bool "USB Multi-threaded probe (EXPERIMENTAL)" + depends on USB && EXPERIMENTAL + default n + help + Say Y here if you want the USB core to spawn a new thread for + every USB device that is probed. This can cause a small speedup + in boot times on systems with a lot of different USB devices. + + This option should be safe to enable, but if any odd probing + problems are found, please disable it, or dynamically turn it + off in the /sys/module/usbcore/parameters/multithread_probe + file + + When in doubt, say N. config USB_OTG bool diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index 3538c2f..ea398e5 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -175,12 +175,13 @@ static char *usb_dump_endpoint_descriptor ( ) { char dir, unit, *type; - unsigned interval, in, bandwidth = 1; + unsigned interval, bandwidth = 1; if (start > end) return start; - in = (desc->bEndpointAddress & USB_DIR_IN); - dir = in ? 'I' : 'O'; + + dir = usb_endpoint_dir_in(desc) ? 'I' : 'O'; + if (speed == USB_SPEED_HIGH) { switch (le16_to_cpu(desc->wMaxPacketSize) & (0x03 << 11)) { case 1 << 11: bandwidth = 2; break; @@ -204,7 +205,7 @@ static char *usb_dump_endpoint_descriptor ( break; case USB_ENDPOINT_XFER_BULK: type = "Bulk"; - if (speed == USB_SPEED_HIGH && !in) /* uframes per NAK */ + if (speed == USB_SPEED_HIGH && dir == 'O') /* uframes per NAK */ interval = desc->bInterval; else interval = 0; diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index fed92be..3ed4cb2 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -561,7 +561,7 @@ static int usbdev_open(struct inode *inode, struct file *file) dev = inode->i_private; if (!dev) goto out; - ret = usb_autoresume_device(dev, 1); + ret = usb_autoresume_device(dev); if (ret) goto out; @@ -609,7 +609,7 @@ static int usbdev_release(struct inode *inode, struct file *file) releaseintf(ps, ifnum); } destroy_all_async(ps); - usb_autosuspend_device(dev, 1); + usb_autosuspend_device(dev); usb_unlock_device(dev); usb_put_dev(dev); put_pid(ps->disc_pid); diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 113e484..d6eb5ce 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -205,7 +205,7 @@ static int usb_probe_interface(struct device *dev) if (id) { dev_dbg(dev, "%s - got id\n", __FUNCTION__); - error = usb_autoresume_device(udev, 1); + error = usb_autoresume_device(udev); if (error) return error; @@ -229,7 +229,7 @@ static int usb_probe_interface(struct device *dev) } else intf->condition = USB_INTERFACE_BOUND; - usb_autosuspend_device(udev, 1); + usb_autosuspend_device(udev); } return error; @@ -247,7 +247,7 @@ static int usb_unbind_interface(struct device *dev) /* Autoresume for set_interface call below */ udev = interface_to_usbdev(intf); - error = usb_autoresume_device(udev, 1); + error = usb_autoresume_device(udev); /* release all urbs for this interface */ usb_disable_interface(interface_to_usbdev(intf), intf); @@ -265,7 +265,7 @@ static int usb_unbind_interface(struct device *dev) intf->needs_remote_wakeup = 0; if (!error) - usb_autosuspend_device(udev, 1); + usb_autosuspend_device(udev); return 0; } @@ -408,6 +408,16 @@ static int usb_match_one_id(struct usb_interface *interface, (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol)) return 0; + /* The interface class, subclass, and protocol should never be + * checked for a match if the device class is Vendor Specific, + * unless the match record specifies the Vendor ID. */ + if (dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC && + !(id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) && + (id->match_flags & (USB_DEVICE_ID_MATCH_INT_CLASS | + USB_DEVICE_ID_MATCH_INT_SUBCLASS | + USB_DEVICE_ID_MATCH_INT_PROTOCOL))) + return 0; + if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_CLASS) && (id->bInterfaceClass != intf->desc.bInterfaceClass)) return 0; @@ -476,7 +486,17 @@ static int usb_match_one_id(struct usb_interface *interface, * most general; they let drivers bind to any interface on a * multiple-function device. Use the USB_INTERFACE_INFO * macro, or its siblings, to match class-per-interface style - * devices (as recorded in bDeviceClass). + * devices (as recorded in bInterfaceClass). + * + * Note that an entry created by USB_INTERFACE_INFO won't match + * any interface if the device class is set to Vendor-Specific. + * This is deliberate; according to the USB spec the meanings of + * the interface class/subclass/protocol for these devices are also + * vendor-specific, and hence matching against a standard product + * class wouldn't work anyway. If you really want to use an + * interface-based match for such a device, create a match record + * that also specifies the vendor ID. (Unforunately there isn't a + * standard macro for creating records like this.) * * Within those groups, remember that not all combinations are * meaningful. For example, don't give a product version range @@ -505,7 +525,7 @@ const struct usb_device_id *usb_match_id(struct usb_interface *interface, } EXPORT_SYMBOL_GPL_FUTURE(usb_match_id); -int usb_device_match(struct device *dev, struct device_driver *drv) +static int usb_device_match(struct device *dev, struct device_driver *drv) { /* devices and interfaces are handled separately */ if (is_usb_device(dev)) { @@ -790,7 +810,7 @@ EXPORT_SYMBOL_GPL_FUTURE(usb_deregister); #ifdef CONFIG_PM /* Caller has locked udev's pm_mutex */ -static int suspend_device(struct usb_device *udev, pm_message_t msg) +static int usb_suspend_device(struct usb_device *udev, pm_message_t msg) { struct usb_device_driver *udriver; int status = 0; @@ -817,7 +837,7 @@ done: } /* Caller has locked udev's pm_mutex */ -static int resume_device(struct usb_device *udev) +static int usb_resume_device(struct usb_device *udev) { struct usb_device_driver *udriver; int status = 0; @@ -843,7 +863,7 @@ done: } /* Caller has locked intf's usb_device's pm mutex */ -static int suspend_interface(struct usb_interface *intf, pm_message_t msg) +static int usb_suspend_interface(struct usb_interface *intf, pm_message_t msg) { struct usb_driver *driver; int status = 0; @@ -880,7 +900,7 @@ done: } /* Caller has locked intf's usb_device's pm_mutex */ -static int resume_interface(struct usb_interface *intf) +static int usb_resume_interface(struct usb_interface *intf) { struct usb_driver *driver; int status = 0; @@ -920,6 +940,44 @@ done: return status; } +#ifdef CONFIG_USB_SUSPEND + +/* Internal routine to check whether we may autosuspend a device. */ +static int autosuspend_check(struct usb_device *udev) +{ + int i; + struct usb_interface *intf; + + /* For autosuspend, fail fast if anything is in use. + * Also fail if any interfaces require remote wakeup but it + * isn't available. */ + udev->do_remote_wakeup = device_may_wakeup(&udev->dev); + if (udev->pm_usage_cnt > 0) + return -EBUSY; + if (udev->actconfig) { + for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { + intf = udev->actconfig->interface[i]; + if (!is_active(intf)) + continue; + if (intf->pm_usage_cnt > 0) + return -EBUSY; + if (intf->needs_remote_wakeup && + !udev->do_remote_wakeup) { + dev_dbg(&udev->dev, "remote wakeup needed " + "for autosuspend\n"); + return -EOPNOTSUPP; + } + } + } + return 0; +} + +#else + +#define autosuspend_check(udev) 0 + +#endif + /** * usb_suspend_both - suspend a USB device and its interfaces * @udev: the usb_device to suspend @@ -971,52 +1029,34 @@ int usb_suspend_both(struct usb_device *udev, pm_message_t msg) udev->do_remote_wakeup = device_may_wakeup(&udev->dev); - /* For autosuspend, fail fast if anything is in use. - * Also fail if any interfaces require remote wakeup but it - * isn't available. */ if (udev->auto_pm) { - if (udev->pm_usage_cnt > 0) - return -EBUSY; - if (udev->actconfig) { - for (; i < udev->actconfig->desc.bNumInterfaces; i++) { - intf = udev->actconfig->interface[i]; - if (!is_active(intf)) - continue; - if (intf->pm_usage_cnt > 0) - return -EBUSY; - if (intf->needs_remote_wakeup && - !udev->do_remote_wakeup) { - dev_dbg(&udev->dev, - "remote wakeup needed for autosuspend\n"); - return -EOPNOTSUPP; - } - } - i = 0; - } + status = autosuspend_check(udev); + if (status < 0) + return status; } /* Suspend all the interfaces and then udev itself */ if (udev->actconfig) { for (; i < udev->actconfig->desc.bNumInterfaces; i++) { intf = udev->actconfig->interface[i]; - status = suspend_interface(intf, msg); + status = usb_suspend_interface(intf, msg); if (status != 0) break; } } if (status == 0) - status = suspend_device(udev, msg); + status = usb_suspend_device(udev, msg); /* If the suspend failed, resume interfaces that did get suspended */ if (status != 0) { while (--i >= 0) { intf = udev->actconfig->interface[i]; - resume_interface(intf); + usb_resume_interface(intf); } /* If the suspend succeeded, propagate it up the tree */ } else if (parent) - usb_autosuspend_device(parent, 0); + usb_autosuspend_device(parent); // dev_dbg(&udev->dev, "%s: status %d\n", __FUNCTION__, status); return status; @@ -1064,9 +1104,25 @@ int usb_resume_both(struct usb_device *udev) /* Propagate the resume up the tree, if necessary */ if (udev->state == USB_STATE_SUSPENDED) { if (parent) { - usb_pm_lock(parent); - parent->auto_pm = 1; - status = usb_resume_both(parent); + status = usb_autoresume_device(parent); + if (status == 0) { + status = usb_resume_device(udev); + if (status) { + usb_autosuspend_device(parent); + + /* It's possible usb_resume_device() + * failed after the port was + * unsuspended, causing udev to be + * logically disconnected. We don't + * want usb_disconnect() to autosuspend + * the parent again, so tell it that + * udev disconnected while still + * suspended. */ + if (udev->state == + USB_STATE_NOTATTACHED) + udev->discon_suspended = 1; + } + } } else { /* We can't progagate beyond the USB subsystem, @@ -1075,24 +1131,20 @@ int usb_resume_both(struct usb_device *udev) if (udev->dev.parent->power.power_state.event != PM_EVENT_ON) status = -EHOSTUNREACH; - } - if (status == 0) - status = resume_device(udev); - if (parent) - usb_pm_unlock(parent); + else + status = usb_resume_device(udev); + } } else { /* Needed only for setting udev->dev.power.power_state.event * and for possible debugging message. */ - status = resume_device(udev); + status = usb_resume_device(udev); } - /* Now the parent won't suspend until we are finished */ - if (status == 0 && udev->actconfig) { for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) { intf = udev->actconfig->interface[i]; - resume_interface(intf); + usb_resume_interface(intf); } } @@ -1102,39 +1154,53 @@ int usb_resume_both(struct usb_device *udev) #ifdef CONFIG_USB_SUSPEND +/* Internal routine to adjust a device's usage counter and change + * its autosuspend state. + */ +static int usb_autopm_do_device(struct usb_device *udev, int inc_usage_cnt) +{ + int status = 0; + + usb_pm_lock(udev); + udev->pm_usage_cnt += inc_usage_cnt; + WARN_ON(udev->pm_usage_cnt < 0); + if (inc_usage_cnt >= 0 && udev->pm_usage_cnt > 0) { + udev->auto_pm = 1; + status = usb_resume_both(udev); + if (status != 0) + udev->pm_usage_cnt -= inc_usage_cnt; + } else if (inc_usage_cnt <= 0 && autosuspend_check(udev) == 0) + queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, + USB_AUTOSUSPEND_DELAY); + usb_pm_unlock(udev); + return status; +} + /** * usb_autosuspend_device - delayed autosuspend of a USB device and its interfaces * @udev: the usb_device to autosuspend - * @dec_usage_cnt: flag to decrement @udev's PM-usage counter * * This routine should be called when a core subsystem is finished using * @udev and wants to allow it to autosuspend. Examples would be when * @udev's device file in usbfs is closed or after a configuration change. * - * @dec_usage_cnt should be 1 if the subsystem previously incremented - * @udev's usage counter (such as by passing 1 to usb_autoresume_device); - * otherwise it should be 0. - * - * If the usage counter for @udev or any of its active interfaces is greater - * than 0, the autosuspend request will not be queued. (If an interface - * driver does not support autosuspend then its usage counter is permanently - * positive.) Likewise, if an interface driver requires remote-wakeup - * capability during autosuspend but remote wakeup is disabled, the - * autosuspend will fail. + * @udev's usage counter is decremented. If it or any of the usage counters + * for an active interface is greater than 0, no autosuspend request will be + * queued. (If an interface driver does not support autosuspend then its + * usage counter is permanently positive.) Furthermore, if an interface + * driver requires remote-wakeup capability during autosuspend but remote + * wakeup is disabled, the autosuspend will fail. * * Often the caller will hold @udev's device lock, but this is not * necessary. * * This routine can run only in process context. */ -void usb_autosuspend_device(struct usb_device *udev, int dec_usage_cnt) +void usb_autosuspend_device(struct usb_device *udev) { - usb_pm_lock(udev); - udev->pm_usage_cnt -= dec_usage_cnt; - if (udev->pm_usage_cnt <= 0) - queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, - USB_AUTOSUSPEND_DELAY); - usb_pm_unlock(udev); + int status; + + status = usb_autopm_do_device(udev, -1); // dev_dbg(&udev->dev, "%s: cnt %d\n", // __FUNCTION__, udev->pm_usage_cnt); } @@ -1142,44 +1208,59 @@ void usb_autosuspend_device(struct usb_device *udev, int dec_usage_cnt) /** * usb_autoresume_device - immediately autoresume a USB device and its interfaces * @udev: the usb_device to autoresume - * @inc_usage_cnt: flag to increment @udev's PM-usage counter * * This routine should be called when a core subsystem wants to use @udev - * and needs to guarantee that it is not suspended. In addition, the - * caller can prevent @udev from being autosuspended subsequently. (Note - * that this will not prevent suspend events originating in the PM core.) - * Examples would be when @udev's device file in usbfs is opened (autosuspend - * should be prevented until the file is closed) or when a remote-wakeup - * request is received (later autosuspends should not be prevented). + * and needs to guarantee that it is not suspended. No autosuspend will + * occur until usb_autosuspend_device is called. (Note that this will not + * prevent suspend events originating in the PM core.) Examples would be + * when @udev's device file in usbfs is opened or when a remote-wakeup + * request is received. * - * @inc_usage_cnt should be 1 to increment @udev's usage counter and prevent - * autosuspends. This prevention will persist until the usage counter is - * decremented again (such as by passing 1 to usb_autosuspend_device). - * Otherwise @inc_usage_cnt should be 0 to leave the usage counter unchanged. - * Regardless, if the autoresume fails then the usage counter is not - * incremented. + * @udev's usage counter is incremented to prevent subsequent autosuspends. + * However if the autoresume fails then the usage counter is re-decremented. * * Often the caller will hold @udev's device lock, but this is not * necessary (and attempting it might cause deadlock). * * This routine can run only in process context. */ -int usb_autoresume_device(struct usb_device *udev, int inc_usage_cnt) +int usb_autoresume_device(struct usb_device *udev) { int status; - usb_pm_lock(udev); - udev->pm_usage_cnt += inc_usage_cnt; - udev->auto_pm = 1; - status = usb_resume_both(udev); - if (status != 0) - udev->pm_usage_cnt -= inc_usage_cnt; - usb_pm_unlock(udev); + status = usb_autopm_do_device(udev, 1); // dev_dbg(&udev->dev, "%s: status %d cnt %d\n", // __FUNCTION__, status, udev->pm_usage_cnt); return status; } +/* Internal routine to adjust an interface's usage counter and change + * its device's autosuspend state. + */ +static int usb_autopm_do_interface(struct usb_interface *intf, + int inc_usage_cnt) +{ + struct usb_device *udev = interface_to_usbdev(intf); + int status = 0; + + usb_pm_lock(udev); + if (intf->condition == USB_INTERFACE_UNBOUND) + status = -ENODEV; + else { + intf->pm_usage_cnt += inc_usage_cnt; + if (inc_usage_cnt >= 0 && intf->pm_usage_cnt > 0) { + udev->auto_pm = 1; + status = usb_resume_both(udev); + if (status != 0) + intf->pm_usage_cnt -= inc_usage_cnt; + } else if (inc_usage_cnt <= 0 && autosuspend_check(udev) == 0) + queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, + USB_AUTOSUSPEND_DELAY); + } + usb_pm_unlock(udev); + return status; +} + /** * usb_autopm_put_interface - decrement a USB interface's PM-usage counter * @intf: the usb_interface whose counter should be decremented @@ -1213,17 +1294,11 @@ int usb_autoresume_device(struct usb_device *udev, int inc_usage_cnt) */ void usb_autopm_put_interface(struct usb_interface *intf) { - struct usb_device *udev = interface_to_usbdev(intf); + int status; - usb_pm_lock(udev); - if (intf->condition != USB_INTERFACE_UNBOUND && - --intf->pm_usage_cnt <= 0) { - queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend, - USB_AUTOSUSPEND_DELAY); - } - usb_pm_unlock(udev); - // dev_dbg(&intf->dev, "%s: cnt %d\n", - // __FUNCTION__, intf->pm_usage_cnt); + status = usb_autopm_do_interface(intf, -1); + // dev_dbg(&intf->dev, "%s: status %d cnt %d\n", + // __FUNCTION__, status, intf->pm_usage_cnt); } EXPORT_SYMBOL_GPL(usb_autopm_put_interface); @@ -1260,26 +1335,37 @@ EXPORT_SYMBOL_GPL(usb_autopm_put_interface); */ int usb_autopm_get_interface(struct usb_interface *intf) { - struct usb_device *udev = interface_to_usbdev(intf); - int status; + int status; - usb_pm_lock(udev); - if (intf->condition == USB_INTERFACE_UNBOUND) - status = -ENODEV; - else { - ++intf->pm_usage_cnt; - udev->auto_pm = 1; - status = usb_resume_both(udev); - if (status != 0) - --intf->pm_usage_cnt; - } - usb_pm_unlock(udev); + status = usb_autopm_do_interface(intf, 1); // dev_dbg(&intf->dev, "%s: status %d cnt %d\n", // __FUNCTION__, status, intf->pm_usage_cnt); return status; } EXPORT_SYMBOL_GPL(usb_autopm_get_interface); +/** + * usb_autopm_set_interface - set a USB interface's autosuspend state + * @intf: the usb_interface whose state should be set + * + * This routine sets the autosuspend state of @intf's device according + * to @intf's usage counter, which the caller must have set previously. + * If the counter is <= 0, the device is autosuspended (if it isn't + * already suspended and if nothing else prevents the autosuspend). If + * the counter is > 0, the device is autoresumed (if it isn't already + * awake). + */ +int usb_autopm_set_interface(struct usb_interface *intf) +{ + int status; + + status = usb_autopm_do_interface(intf, 0); + // dev_dbg(&intf->dev, "%s: status %d cnt %d\n", + // __FUNCTION__, status, intf->pm_usage_cnt); + return status; +} +EXPORT_SYMBOL_GPL(usb_autopm_set_interface); + #endif /* CONFIG_USB_SUSPEND */ static int usb_suspend(struct device *dev, pm_message_t message) diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c index 3b2d137..c505b76 100644 --- a/drivers/usb/core/endpoint.c +++ b/drivers/usb/core/endpoint.c @@ -10,15 +10,20 @@ */ #include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/idr.h> #include <linux/usb.h> #include "usb.h" -/* endpoint stuff */ +#define MAX_ENDPOINT_MINORS (64*128*32) +static int usb_endpoint_major; +static DEFINE_IDR(endpoint_idr); struct ep_device { struct usb_endpoint_descriptor *desc; struct usb_device *udev; struct device dev; + int minor; }; #define to_ep_device(_dev) \ container_of(_dev, struct ep_device, dev) @@ -152,6 +157,55 @@ static struct attribute_group ep_dev_attr_grp = { .attrs = ep_dev_attrs, }; +static int usb_endpoint_major_init(void) +{ + dev_t dev; + int error; + + error = alloc_chrdev_region(&dev, 0, MAX_ENDPOINT_MINORS, + "usb_endpoint"); + if (error) { + err("unable to get a dynamic major for usb endpoints"); + return error; + } + usb_endpoint_major = MAJOR(dev); + + return error; +} + +static void usb_endpoint_major_cleanup(void) +{ + unregister_chrdev_region(MKDEV(usb_endpoint_major, 0), + MAX_ENDPOINT_MINORS); +} + +static int endpoint_get_minor(struct ep_device *ep_dev) +{ + static DEFINE_MUTEX(minor_lock); + int retval = -ENOMEM; + int id; + + mutex_lock(&minor_lock); + if (idr_pre_get(&endpoint_idr, GFP_KERNEL) == 0) + goto exit; + + retval = idr_get_new(&endpoint_idr, ep_dev, &id); + if (retval < 0) { + if (retval == -EAGAIN) + retval = -ENOMEM; + goto exit; + } + ep_dev->minor = id & MAX_ID_MASK; +exit: + mutex_unlock(&minor_lock); + return retval; +} + +static void endpoint_free_minor(struct ep_device *ep_dev) +{ + idr_remove(&endpoint_idr, ep_dev->minor); +} + static struct endpoint_class { struct kref kref; struct class *class; @@ -176,11 +230,20 @@ static int init_endpoint_class(void) ep_class->class = class_create(THIS_MODULE, "usb_endpoint"); if (IS_ERR(ep_class->class)) { result = IS_ERR(ep_class->class); - kfree(ep_class); - ep_class = NULL; - goto exit; + goto class_create_error; } + result = usb_endpoint_major_init(); + if (result) + goto endpoint_major_error; + + goto exit; + +endpoint_major_error: + class_destroy(ep_class->class); +class_create_error: + kfree(ep_class); + ep_class = NULL; exit: return result; } @@ -191,6 +254,7 @@ static void release_endpoint_class(struct kref *kref) class_destroy(ep_class->class); kfree(ep_class); ep_class = NULL; + usb_endpoint_major_cleanup(); } static void destroy_endpoint_class(void) @@ -213,7 +277,6 @@ int usb_create_ep_files(struct device *parent, { char name[8]; struct ep_device *ep_dev; - int minor; int retval; retval = init_endpoint_class(); @@ -226,12 +289,16 @@ int usb_create_ep_files(struct device *parent, goto error_alloc; } - /* fun calculation to determine the minor of this endpoint */ - minor = (((udev->bus->busnum - 1) * 128) * 16) + (udev->devnum - 1); + retval = endpoint_get_minor(ep_dev); + if (retval) { + dev_err(parent, "can not allocate minor number for %s", + ep_dev->dev.bus_id); + goto error_register; + } ep_dev->desc = &endpoint->desc; ep_dev->udev = udev; - ep_dev->dev.devt = MKDEV(442, minor); // FIXME fake number... + ep_dev->dev.devt = MKDEV(usb_endpoint_major, ep_dev->minor); ep_dev->dev.class = ep_class->class; ep_dev->dev.parent = parent; ep_dev->dev.release = ep_device_release; @@ -241,7 +308,7 @@ int usb_create_ep_files(struct device *parent, retval = device_register(&ep_dev->dev); if (retval) - goto error_register; + goto error_chrdev; retval = sysfs_create_group(&ep_dev->dev.kobj, &ep_dev_attr_grp); if (retval) goto error_group; @@ -261,6 +328,9 @@ error_group: destroy_endpoint_class(); return retval; +error_chrdev: + endpoint_free_minor(ep_dev); + error_register: kfree(ep_dev); error_alloc: @@ -271,14 +341,16 @@ exit: void usb_remove_ep_files(struct usb_host_endpoint *endpoint) { + struct ep_device *ep_dev = endpoint->ep_dev; - if (endpoint->ep_dev) { + if (ep_dev) { char name[8]; sprintf(name, "ep_%02x", endpoint->desc.bEndpointAddress); - sysfs_remove_link(&endpoint->ep_dev->dev.parent->kobj, name); - sysfs_remove_group(&endpoint->ep_dev->dev.kobj, &ep_dev_attr_grp); - device_unregister(&endpoint->ep_dev->dev); + sysfs_remove_link(&ep_dev->dev.parent->kobj, name); + sysfs_remove_group(&ep_dev->dev.kobj, &ep_dev_attr_grp); + endpoint_free_minor(ep_dev); + device_unregister(&ep_dev->dev); endpoint->ep_dev = NULL; destroy_endpoint_class(); } diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index afa2dd2..10064af 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -256,7 +256,9 @@ static const u8 hs_rh_config_descriptor [] = { 0x05, /* __u8 ep_bDescriptorType; Endpoint */ 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ 0x03, /* __u8 ep_bmAttributes; Interrupt */ - 0x02, 0x00, /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) */ + /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) + * see hub.c:hub_configure() for details. */ + (USB_MAXCHILDREN + 1 + 7) / 8, 0x00, 0x0c /* __u8 ep_bInterval; (256ms -- usb 2.0 spec) */ }; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index ba165af..0ce393e 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -31,6 +31,47 @@ #include "hcd.h" #include "hub.h" +struct usb_hub { + struct device *intfdev; /* the "interface" device */ + struct usb_device *hdev; + struct urb *urb; /* for interrupt polling pipe */ + + /* buffer for urb ... with extra space in case of babble */ + char (*buffer)[8]; + dma_addr_t buffer_dma; /* DMA address for buffer */ + union { + struct usb_hub_status hub; + struct usb_port_status port; + } *status; /* buffer for status reports */ + + int error; /* last reported error */ + int nerrors; /* track consecutive errors */ + + struct list_head event_list; /* hubs w/data or errs ready */ + unsigned long event_bits[1]; /* status change bitmask */ + unsigned long change_bits[1]; /* ports with logical connect + status change */ + unsigned long busy_bits[1]; /* ports being reset or + resumed */ +#if USB_MAXCHILDREN > 31 /* 8*sizeof(unsigned long) - 1 */ +#error event_bits[] is too short! +#endif + + struct usb_hub_descriptor *descriptor; /* class descriptor */ + struct usb_tt tt; /* Transaction Translator */ + + unsigned mA_per_port; /* current for each child */ + + unsigned limited_power:1; + unsigned quiescing:1; + unsigned activating:1; + + unsigned has_indicators:1; + u8 indicator[USB_MAXCHILDREN]; + struct work_struct leds; +}; + + /* Protect struct usb_device->state and ->children members * Note: Both are also protected by ->dev.sem, except that ->state can * change to USB_STATE_NOTATTACHED even when the semaphore isn't held. */ @@ -45,6 +86,16 @@ static DECLARE_WAIT_QUEUE_HEAD(khubd_wait); static struct task_struct *khubd_task; +/* multithreaded probe logic */ +static int multithread_probe = +#ifdef CONFIG_USB_MULTITHREAD_PROBE + 1; +#else + 0; +#endif +module_param(multithread_probe, bool, S_IRUGO); +MODULE_PARM_DESC(multithread_probe, "Run each USB device probe in a new thread"); + /* cycle leds on hubs that aren't blinking for attention */ static int blinkenlights = 0; module_param (blinkenlights, bool, S_IRUGO); @@ -276,6 +327,9 @@ static void kick_khubd(struct usb_hub *hub) { unsigned long flags; + /* Suppress autosuspend until khubd runs */ + to_usb_interface(hub->intfdev)->pm_usage_cnt = 1; + spin_lock_irqsave(&hub_event_lock, flags); if (list_empty(&hub->event_list)) { list_add_tail(&hub->event_list, &hub_event_list); @@ -457,7 +511,6 @@ static void hub_quiesce(struct usb_hub *hub) /* (nonblocking) khubd and related activity won't re-trigger */ hub->quiescing = 1; hub->activating = 0; - hub->resume_root_hub = 0; /* (blocking) stop khubd and related activity */ usb_kill_urb(hub->urb); @@ -473,7 +526,7 @@ static void hub_activate(struct usb_hub *hub) hub->quiescing = 0; hub->activating = 1; - hub->resume_root_hub = 0; + status = usb_submit_urb(hub->urb, GFP_NOIO); if (status < 0) dev_err(hub->intfdev, "activate --> %d\n", status); @@ -759,7 +812,12 @@ static int hub_configure(struct usb_hub *hub, dev_dbg(hub_dev, "%sover-current condition exists\n", (hubstatus & HUB_STATUS_OVERCURRENT) ? "" : "no "); - /* set up the interrupt endpoint */ + /* set up the interrupt endpoint + * We use the EP's maxpacket size instead of (PORTS+1+7)/8 + * bytes as USB2.0[11.12.3] says because some hubs are known + * to send more data (and thus cause overflow). For root hubs, + * maxpktsize is defined in hcd.c's fake endpoint descriptors + * to be big enough for at least USB_MAXCHILDREN ports. */ pipe = usb_rcvintpipe(hdev, endpoint->bEndpointAddress); maxp = usb_maxpacket(hdev, pipe, usb_pipeout(pipe)); @@ -883,6 +941,7 @@ descriptor_error: INIT_WORK(&hub->leds, led_work, hub); usb_set_intfdata (intf, hub); + intf->needs_remote_wakeup = 1; if (hdev->speed == USB_SPEED_HIGH) highspeed_hubs++; @@ -980,6 +1039,8 @@ static void recursively_mark_NOTATTACHED(struct usb_device *udev) if (udev->children[i]) recursively_mark_NOTATTACHED(udev->children[i]); } + if (udev->state == USB_STATE_SUSPENDED) + udev->discon_suspended = 1; udev->state = USB_STATE_NOTATTACHED; } @@ -1169,6 +1230,14 @@ void usb_disconnect(struct usb_device **pdev) *pdev = NULL; spin_unlock_irq(&device_state_lock); + /* Decrement the parent's count of unsuspended children */ + if (udev->parent) { + usb_pm_lock(udev); + if (!udev->discon_suspended) + usb_autosuspend_device(udev->parent); + usb_pm_unlock(udev); + } + put_device(&udev->dev); } @@ -1191,29 +1260,17 @@ static inline void show_string(struct usb_device *udev, char *id, char *string) static int __usb_port_suspend(struct usb_device *, int port1); #endif -/** - * usb_new_device - perform initial device setup (usbcore-internal) - * @udev: newly addressed device (in ADDRESS state) - * - * This is called with devices which have been enumerated, but not yet - * configured. The device descriptor is available, but not descriptors - * for any device configuration. The caller must have locked either - * the parent hub (if udev is a normal device) or else the - * usb_bus_list_lock (if udev is a root hub). The parent's pointer to - * udev has already been installed, but udev is not yet visible through - * sysfs or other filesystem code. - * - * Returns 0 for success (device is configured and listed, with its - * interfaces, in sysfs); else a negative errno value. - * - * This call is synchronous, and may not be used in an interrupt context. - * - * Only the hub driver or root-hub registrar should ever call this. - */ -int usb_new_device(struct usb_device *udev) +static int __usb_new_device(void *void_data) { + struct usb_device *udev = void_data; int err; + /* Lock ourself into memory in order to keep a probe sequence + * sleeping in a new thread from allowing us to be unloaded. + */ + if (!try_module_get(THIS_MODULE)) + return -EINVAL; + err = usb_get_configuration(udev); if (err < 0) { dev_err(&udev->dev, "can't read configurations, error %d\n", @@ -1309,13 +1366,56 @@ int usb_new_device(struct usb_device *udev) goto fail; } - return 0; + /* Increment the parent's count of unsuspended children */ + if (udev->parent) + usb_autoresume_device(udev->parent); + +exit: + module_put(THIS_MODULE); + return err; fail: usb_set_device_state(udev, USB_STATE_NOTATTACHED); - return err; + goto exit; } +/** + * usb_new_device - perform initial device setup (usbcore-internal) + * @udev: newly addressed device (in ADDRESS state) + * + * This is called with devices which have been enumerated, but not yet + * configured. The device descriptor is available, but not descriptors + * for any device configuration. The caller must have locked either + * the parent hub (if udev is a normal device) or else the + * usb_bus_list_lock (if udev is a root hub). The parent's pointer to + * udev has already been installed, but udev is not yet visible through + * sysfs or other filesystem code. + * + * The return value for this function depends on if the + * multithread_probe variable is set or not. If it's set, it will + * return a if the probe thread was successfully created or not. If the + * variable is not set, it will return if the device is configured + * properly or not. interfaces, in sysfs); else a negative errno value. + * + * This call is synchronous, and may not be used in an interrupt context. + * + * Only the hub driver or root-hub registrar should ever call this. + */ +int usb_new_device(struct usb_device *udev) +{ + struct task_struct *probe_task; + int ret = 0; + + if (multithread_probe) { + probe_task = kthread_run(__usb_new_device, udev, + "usb-probe-%s", udev->devnum); + if (IS_ERR(probe_task)) + ret = PTR_ERR(probe_task); + } else + ret = __usb_new_device(udev); + + return ret; +} static int hub_port_status(struct usb_hub *hub, int port1, u16 *status, u16 *change) @@ -1323,10 +1423,12 @@ static int hub_port_status(struct usb_hub *hub, int port1, int ret; ret = get_port_status(hub->hdev, port1, &hub->status->port); - if (ret < 0) + if (ret < 4) { dev_err (hub->intfdev, "%s failed (err = %d)\n", __FUNCTION__, ret); - else { + if (ret >= 0) + ret = -EIO; + } else { *status = le16_to_cpu(hub->status->port.wPortStatus); *change = le16_to_cpu(hub->status->port.wPortChange); ret = 0; @@ -1674,6 +1776,12 @@ static int hub_port_resume(struct usb_hub *hub, int port1, struct usb_device *udev) { int status; + u16 portchange, portstatus; + + /* Skip the initial Clear-Suspend step for a remote wakeup */ + status = hub_port_status(hub, port1, &portstatus, &portchange); + if (status == 0 && !(portstatus & USB_PORT_STAT_SUSPEND)) + goto SuspendCleared; // dev_dbg(hub->intfdev, "resume port %d\n", port1); @@ -1687,9 +1795,6 @@ hub_port_resume(struct usb_hub *hub, int port1, struct usb_device *udev) "can't resume port %d, status %d\n", port1, status); } else { - u16 devstatus; - u16 portchange; - /* drive resume for at least 20 msec */ if (udev) dev_dbg(&udev->dev, "usb %sresume\n", @@ -1704,16 +1809,15 @@ hub_port_resume(struct usb_hub *hub, int port1, struct usb_device *udev) * stop resume signaling. Then finish the resume * sequence. */ - devstatus = portchange = 0; - status = hub_port_status(hub, port1, - &devstatus, &portchange); + status = hub_port_status(hub, port1, &portstatus, &portchange); +SuspendCleared: if (status < 0 - || (devstatus & LIVE_FLAGS) != LIVE_FLAGS - || (devstatus & USB_PORT_STAT_SUSPEND) != 0 + || (portstatus & LIVE_FLAGS) != LIVE_FLAGS + || (portstatus & USB_PORT_STAT_SUSPEND) != 0 ) { dev_dbg(hub->intfdev, "port %d status %04x.%04x after resume, %d\n", - port1, portchange, devstatus, status); + port1, portchange, portstatus, status); if (status >= 0) status = -ENODEV; } else { @@ -1774,23 +1878,16 @@ static int remote_wakeup(struct usb_device *udev) { int status = 0; - /* All this just to avoid sending a port-resume message - * to the parent hub! */ - usb_lock_device(udev); - usb_pm_lock(udev); if (udev->state == USB_STATE_SUSPENDED) { dev_dbg(&udev->dev, "usb %sresume\n", "wakeup-"); - /* TRSMRCY = 10 msec */ - msleep(10); - status = finish_port_resume(udev); + status = usb_autoresume_device(udev); + + /* Give the interface drivers a chance to do something, + * then autosuspend the device again. */ if (status == 0) - udev->dev.power.power_state.event = PM_EVENT_ON; + usb_autosuspend_device(udev); } - usb_pm_unlock(udev); - - if (status == 0) - usb_autoresume_device(udev, 0); usb_unlock_device(udev); return status; } @@ -1854,6 +1951,8 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) } } + dev_dbg(&intf->dev, "%s\n", __FUNCTION__); + /* "global suspend" of the downstream HC-to-USB interface */ if (!hdev->parent) { struct usb_bus *bus = hdev->bus; @@ -1876,10 +1975,12 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) static int hub_resume(struct usb_interface *intf) { - struct usb_device *hdev = interface_to_usbdev(intf); struct usb_hub *hub = usb_get_intfdata (intf); + struct usb_device *hdev = hub->hdev; int status; + dev_dbg(&intf->dev, "%s\n", __FUNCTION__); + /* "global resume" of the downstream HC-to-USB interface */ if (!hdev->parent) { struct usb_bus *bus = hdev->bus; @@ -1918,7 +2019,6 @@ void usb_resume_root_hub(struct usb_device *hdev) { struct usb_hub *hub = hdev_to_hub(hdev); - hub->resume_root_hub = 1; kick_khubd(hub); } @@ -2555,16 +2655,13 @@ static void hub_events(void) intf = to_usb_interface(hub->intfdev); hub_dev = &intf->dev; - i = hub->resume_root_hub; - - dev_dbg(hub_dev, "state %d ports %d chg %04x evt %04x%s\n", + dev_dbg(hub_dev, "state %d ports %d chg %04x evt %04x\n", hdev->state, hub->descriptor ? hub->descriptor->bNbrPorts : 0, /* NOTE: expects max 15 ports... */ (u16) hub->change_bits[0], - (u16) hub->event_bits[0], - i ? ", resume root" : ""); + (u16) hub->event_bits[0]); usb_get_intf(intf); spin_unlock_irq(&hub_event_lock); @@ -2585,16 +2682,16 @@ static void hub_events(void) goto loop; } - /* Is this is a root hub wanting to reactivate the downstream - * ports? If so, be sure the interface resumes even if its - * stub "device" node was never suspended. - */ - if (i) - usb_autoresume_device(hdev, 0); + /* Autoresume */ + ret = usb_autopm_get_interface(intf); + if (ret) { + dev_dbg(hub_dev, "Can't autoresume: %d\n", ret); + goto loop; + } - /* If this is an inactive or suspended hub, do nothing */ + /* If this is an inactive hub, do nothing */ if (hub->quiescing) - goto loop; + goto loop_autopm; if (hub->error) { dev_dbg (hub_dev, "resetting for error %d\n", @@ -2604,7 +2701,7 @@ static void hub_events(void) if (ret) { dev_dbg (hub_dev, "error resetting hub: %d\n", ret); - goto loop; + goto loop_autopm; } hub->nerrors = 0; @@ -2732,6 +2829,10 @@ static void hub_events(void) if (!hdev->parent && !hub->busy_bits[0]) usb_enable_root_hub_irq(hdev->bus); +loop_autopm: + /* Allow autosuspend if we're not going to run again */ + if (list_empty(&hub->event_list)) + usb_autopm_enable(intf); loop: usb_unlock_device(hdev); usb_put_intf(intf); @@ -2773,6 +2874,7 @@ static struct usb_driver hub_driver = { .post_reset = hub_post_reset, .ioctl = hub_ioctl, .id_table = hub_id_table, + .supports_autosuspend = 1, }; int usb_hub_init(void) @@ -2997,7 +3099,7 @@ int usb_reset_composite_device(struct usb_device *udev, } /* Prevent autosuspend during the reset */ - usb_autoresume_device(udev, 1); + usb_autoresume_device(udev); if (iface && iface->condition != USB_INTERFACE_BINDING) iface = NULL; @@ -3040,7 +3142,7 @@ int usb_reset_composite_device(struct usb_device *udev, } } - usb_autosuspend_device(udev, 1); + usb_autosuspend_device(udev); return ret; } EXPORT_SYMBOL(usb_reset_composite_device); diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index 0f8e82a..cf9559c 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -192,45 +192,4 @@ struct usb_tt_clear { extern void usb_hub_tt_clear_buffer (struct usb_device *dev, int pipe); -struct usb_hub { - struct device *intfdev; /* the "interface" device */ - struct usb_device *hdev; - struct urb *urb; /* for interrupt polling pipe */ - - /* buffer for urb ... with extra space in case of babble */ - char (*buffer)[8]; - dma_addr_t buffer_dma; /* DMA address for buffer */ - union { - struct usb_hub_status hub; - struct usb_port_status port; - } *status; /* buffer for status reports */ - - int error; /* last reported error */ - int nerrors; /* track consecutive errors */ - - struct list_head event_list; /* hubs w/data or errs ready */ - unsigned long event_bits[1]; /* status change bitmask */ - unsigned long change_bits[1]; /* ports with logical connect - status change */ - unsigned long busy_bits[1]; /* ports being reset or - resumed */ -#if USB_MAXCHILDREN > 31 /* 8*sizeof(unsigned long) - 1 */ -#error event_bits[] is too short! -#endif - - struct usb_hub_descriptor *descriptor; /* class descriptor */ - struct usb_tt tt; /* Transaction Translator */ - - unsigned mA_per_port; /* current for each child */ - - unsigned limited_power:1; - unsigned quiescing:1; - unsigned activating:1; - unsigned resume_root_hub:1; - - unsigned has_indicators:1; - enum hub_led_mode indicator[USB_MAXCHILDREN]; - struct work_struct leds; -}; - #endif /* __LINUX_HUB_H */ diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 7729c07..29b0fa9 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -764,7 +764,7 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size) err = -EINVAL; goto errout; } else { - dev->have_langid = -1; + dev->have_langid = 1; dev->string_langid = tbuf[2] | (tbuf[3]<< 8); /* always use the first langid listed */ dev_dbg (&dev->dev, "default language 0x%04x\n", @@ -1398,7 +1398,7 @@ free_interfaces: } /* Wake up the device so we can send it the Set-Config request */ - ret = usb_autoresume_device(dev, 1); + ret = usb_autoresume_device(dev); if (ret) goto free_interfaces; @@ -1421,7 +1421,7 @@ free_interfaces: dev->actconfig = cp; if (!cp) { usb_set_device_state(dev, USB_STATE_ADDRESS); - usb_autosuspend_device(dev, 1); + usb_autosuspend_device(dev); goto free_interfaces; } usb_set_device_state(dev, USB_STATE_CONFIGURED); @@ -1490,7 +1490,7 @@ free_interfaces: usb_create_sysfs_intf_files (intf); } - usb_autosuspend_device(dev, 1); + usb_autosuspend_device(dev); return 0; } diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 467cb02..81cb525 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -200,13 +200,6 @@ static void ksuspend_usb_cleanup(void) destroy_workqueue(ksuspend_usb_wq); } -#else - -#define ksuspend_usb_init() 0 -#define ksuspend_usb_cleanup() do {} while (0) - -#endif - #ifdef CONFIG_USB_SUSPEND /* usb_autosuspend_work - callback routine to autosuspend a USB device */ @@ -225,7 +218,14 @@ static void usb_autosuspend_work(void *_udev) static void usb_autosuspend_work(void *_udev) {} -#endif +#endif /* CONFIG_USB_SUSPEND */ + +#else + +#define ksuspend_usb_init() 0 +#define ksuspend_usb_cleanup() do {} while (0) + +#endif /* CONFIG_PM */ /** * usb_alloc_dev - usb device constructor (usbcore-internal) @@ -537,138 +537,6 @@ int usb_get_current_frame_number(struct usb_device *dev) return usb_hcd_get_frame_number (dev); } -/** - * usb_endpoint_dir_in - check if the endpoint has IN direction - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type IN, otherwise it returns false. - */ -int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN); -} - -/** - * usb_endpoint_dir_out - check if the endpoint has OUT direction - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type OUT, otherwise it returns false. - */ -int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT); -} - -/** - * usb_endpoint_xfer_bulk - check if the endpoint has bulk transfer type - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type bulk, otherwise it returns false. - */ -int usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_BULK); -} - -/** - * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type interrupt, otherwise it returns - * false. - */ -int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_INT); -} - -/** - * usb_endpoint_xfer_isoc - check if the endpoint has isochronous transfer type - * @epd: endpoint to be checked - * - * Returns true if the endpoint is of type isochronous, otherwise it returns - * false. - */ -int usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd) -{ - return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_ISOC); -} - -/** - * usb_endpoint_is_bulk_in - check if the endpoint is bulk IN - * @epd: endpoint to be checked - * - * Returns true if the endpoint has bulk transfer type and IN direction, - * otherwise it returns false. - */ -int usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_in(epd)); -} - -/** - * usb_endpoint_is_bulk_out - check if the endpoint is bulk OUT - * @epd: endpoint to be checked - * - * Returns true if the endpoint has bulk transfer type and OUT direction, - * otherwise it returns false. - */ -int usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_out(epd)); -} - -/** - * usb_endpoint_is_int_in - check if the endpoint is interrupt IN - * @epd: endpoint to be checked - * - * Returns true if the endpoint has interrupt transfer type and IN direction, - * otherwise it returns false. - */ -int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd)); -} - -/** - * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT - * @epd: endpoint to be checked - * - * Returns true if the endpoint has interrupt transfer type and OUT direction, - * otherwise it returns false. - */ -int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd)); -} - -/** - * usb_endpoint_is_isoc_in - check if the endpoint is isochronous IN - * @epd: endpoint to be checked - * - * Returns true if the endpoint has isochronous transfer type and IN direction, - * otherwise it returns false. - */ -int usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_in(epd)); -} - -/** - * usb_endpoint_is_isoc_out - check if the endpoint is isochronous OUT - * @epd: endpoint to be checked - * - * Returns true if the endpoint has isochronous transfer type and OUT direction, - * otherwise it returns false. - */ -int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd) -{ - return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd)); -} - /*-------------------------------------------------------------------*/ /* * __usb_get_extra_descriptor() finds a descriptor of specific type in the @@ -1102,18 +970,6 @@ EXPORT_SYMBOL(__usb_get_extra_descriptor); EXPORT_SYMBOL(usb_find_device); EXPORT_SYMBOL(usb_get_current_frame_number); -EXPORT_SYMBOL_GPL(usb_endpoint_dir_in); -EXPORT_SYMBOL_GPL(usb_endpoint_dir_out); -EXPORT_SYMBOL_GPL(usb_endpoint_xfer_bulk); -EXPORT_SYMBOL_GPL(usb_endpoint_xfer_int); -EXPORT_SYMBOL_GPL(usb_endpoint_xfer_isoc); -EXPORT_SYMBOL_GPL(usb_endpoint_is_bulk_in); -EXPORT_SYMBOL_GPL(usb_endpoint_is_bulk_out); -EXPORT_SYMBOL_GPL(usb_endpoint_is_int_in); -EXPORT_SYMBOL_GPL(usb_endpoint_is_int_out); -EXPORT_SYMBOL_GPL(usb_endpoint_is_isoc_in); -EXPORT_SYMBOL_GPL(usb_endpoint_is_isoc_out); - EXPORT_SYMBOL (usb_buffer_alloc); EXPORT_SYMBOL (usb_buffer_free); diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 13322e3..17830a8 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -64,14 +64,13 @@ static inline void usb_pm_unlock(struct usb_device *udev) {} #define USB_AUTOSUSPEND_DELAY (HZ*2) -extern void usb_autosuspend_device(struct usb_device *udev, int dec_busy_cnt); -extern int usb_autoresume_device(struct usb_device *udev, int inc_busy_cnt); +extern void usb_autosuspend_device(struct usb_device *udev); +extern int usb_autoresume_device(struct usb_device *udev); #else -#define usb_autosuspend_device(udev, dec_busy_cnt) do {} while (0) -static inline int usb_autoresume_device(struct usb_device *udev, - int inc_busy_cnt) +#define usb_autosuspend_device(udev) do {} while (0) +static inline int usb_autoresume_device(struct usb_device *udev) { return 0; } diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 1c17d26..3bd1dfe 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -1894,13 +1894,13 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net) if (!eth_is_promisc (dev)) { u8 *dest = skb->data; - if (dest [0] & 0x01) { + if (is_multicast_ether_addr(dest)) { u16 type; /* ignores USB_CDC_PACKET_TYPE_MULTICAST and host * SET_ETHERNET_MULTICAST_FILTERS requests */ - if (memcmp (dest, net->broadcast, ETH_ALEN) == 0) + if (is_broadcast_ether_addr(dest)) type = USB_CDC_PACKET_TYPE_BROADCAST; else type = USB_CDC_PACKET_TYPE_ALL_MULTICAST; diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c index 1792596..4a99156 100644 --- a/drivers/usb/gadget/lh7a40x_udc.c +++ b/drivers/usb/gadget/lh7a40x_udc.c @@ -83,7 +83,6 @@ static int lh7a40x_queue(struct usb_ep *ep, struct usb_request *, gfp_t); static int lh7a40x_dequeue(struct usb_ep *ep, struct usb_request *); static int lh7a40x_set_halt(struct usb_ep *ep, int); static int lh7a40x_fifo_status(struct usb_ep *ep); -static int lh7a40x_fifo_status(struct usb_ep *ep); static void lh7a40x_fifo_flush(struct usb_ep *ep); static void lh7a40x_ep0_kick(struct lh7a40x_udc *dev, struct lh7a40x_ep *ep); static void lh7a40x_handle_ep0(struct lh7a40x_udc *dev, u32 intr); diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index 3acc896..0b59083 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -1040,6 +1040,7 @@ net2280_queue (struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) } /* else the irq handler advances the queue. */ + ep->responded = 1; if (req) list_add_tail (&req->queue, &ep->queue); done: @@ -2188,7 +2189,8 @@ static void handle_ep_small (struct net2280_ep *ep) ep->stopped = 1; set_halt (ep); mode = 2; - } else if (!req && !ep->stopped) + } else if (ep->responded && + !req && !ep->stopped) write_fifo (ep, NULL); } } else { @@ -2203,7 +2205,7 @@ static void handle_ep_small (struct net2280_ep *ep) } else if (((t & (1 << DATA_OUT_PING_TOKEN_INTERRUPT)) && req && req->req.actual == req->req.length) - || !req) { + || (ep->responded && !req)) { ep->dev->protocol_stall = 1; set_halt (ep); ep->stopped = 1; @@ -2469,6 +2471,7 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat) /* we made the hardware handle most lowlevel requests; * everything else goes uplevel to the gadget code. */ + ep->responded = 1; switch (u.r.bRequest) { case USB_REQ_GET_STATUS: { struct net2280_ep *e; @@ -2537,6 +2540,7 @@ delegate: u.r.bRequestType, u.r.bRequest, w_value, w_index, w_length, readl (&ep->regs->ep_cfg)); + ep->responded = 0; spin_unlock (&dev->lock); tmp = dev->driver->setup (&dev->gadget, &u.r); spin_lock (&dev->lock); diff --git a/drivers/usb/gadget/net2280.h b/drivers/usb/gadget/net2280.h index 957d6df..44ca139 100644 --- a/drivers/usb/gadget/net2280.h +++ b/drivers/usb/gadget/net2280.h @@ -110,7 +110,8 @@ struct net2280_ep { out_overflow : 1, stopped : 1, is_in : 1, - is_iso : 1; + is_iso : 1, + responded : 1; }; static inline void allow_status (struct net2280_ep *ep) diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c index 671c24b..1ed506e 100644 --- a/drivers/usb/gadget/pxa2xx_udc.c +++ b/drivers/usb/gadget/pxa2xx_udc.c @@ -2472,6 +2472,7 @@ static struct pxa2xx_udc memory = { #define PXA210_B1 0x00000123 #define PXA210_B0 0x00000122 #define IXP425_A0 0x000001c1 +#define IXP425_B0 0x000001f1 #define IXP465_AD 0x00000200 /* @@ -2509,6 +2510,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) break; #elif defined(CONFIG_ARCH_IXP4XX) case IXP425_A0: + case IXP425_B0: case IXP465_AD: dev->has_cfr = 1; out_dma = 0; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 9030994..025d333 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -126,6 +126,11 @@ static unsigned park = 0; module_param (park, uint, S_IRUGO); MODULE_PARM_DESC (park, "park setting; 1-3 back-to-back async packets"); +/* for flakey hardware, ignore overcurrent indicators */ +static int ignore_oc = 0; +module_param (ignore_oc, bool, S_IRUGO); +MODULE_PARM_DESC (ignore_oc, "ignore bogus hardware overcurrent indications"); + #define INTR_MASK (STS_IAA | STS_FATAL | STS_PCD | STS_ERR | STS_INT) /*-------------------------------------------------------------------------*/ @@ -541,9 +546,10 @@ static int ehci_run (struct usb_hcd *hcd) temp = HC_VERSION(readl (&ehci->caps->hc_capbase)); ehci_info (ehci, - "USB %x.%x started, EHCI %x.%02x, driver %s\n", + "USB %x.%x started, EHCI %x.%02x, driver %s%s\n", ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), - temp >> 8, temp & 0xff, DRIVER_VERSION); + temp >> 8, temp & 0xff, DRIVER_VERSION, + ignore_oc ? ", overcurrent ignored" : ""); writel (INTR_MASK, &ehci->regs->intr_enable); /* Turn On Interrupts */ @@ -613,9 +619,8 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) unsigned i = HCS_N_PORTS (ehci->hcs_params); /* resume root hub? */ - status = readl (&ehci->regs->command); - if (!(status & CMD_RUN)) - writel (status | CMD_RUN, &ehci->regs->command); + if (!(readl(&ehci->regs->command) & CMD_RUN)) + usb_hcd_resume_root_hub(hcd); while (i--) { int pstatus = readl (&ehci->regs->port_status [i]); @@ -632,7 +637,6 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) */ ehci->reset_done [i] = jiffies + msecs_to_jiffies (20); ehci_dbg (ehci, "port %d remote wakeup\n", i + 1); - usb_hcd_resume_root_hub(hcd); } } diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 1b20722..bfe5f30 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -34,6 +34,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci (hcd); int port; + int mask; if (time_before (jiffies, ehci->next_statechange)) msleep(5); @@ -51,14 +52,25 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) ehci->reclaim_ready = 1; ehci_work(ehci); - /* suspend any active/unsuspended ports, maybe allow wakeup */ + /* Unlike other USB host controller types, EHCI doesn't have + * any notion of "global" or bus-wide suspend. The driver has + * to manually suspend all the active unsuspended ports, and + * then manually resume them in the bus_resume() routine. + */ + ehci->bus_suspended = 0; while (port--) { u32 __iomem *reg = &ehci->regs->port_status [port]; u32 t1 = readl (reg) & ~PORT_RWC_BITS; u32 t2 = t1; - if ((t1 & PORT_PE) && !(t1 & PORT_OWNER)) + /* keep track of which ports we suspend */ + if ((t1 & PORT_PE) && !(t1 & PORT_OWNER) && + !(t1 & PORT_SUSPEND)) { t2 |= PORT_SUSPEND; + set_bit(port, &ehci->bus_suspended); + } + + /* enable remote wakeup on all ports */ if (device_may_wakeup(&hcd->self.root_hub->dev)) t2 |= PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E; else @@ -76,6 +88,13 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) ehci_halt (ehci); hcd->state = HC_STATE_SUSPENDED; + /* allow remote wakeup */ + mask = INTR_MASK; + if (!device_may_wakeup(&hcd->self.root_hub->dev)) + mask &= ~STS_PCD; + writel(mask, &ehci->regs->intr_enable); + readl(&ehci->regs->intr_enable); + ehci->next_statechange = jiffies + msecs_to_jiffies(10); spin_unlock_irq (&ehci->lock); return 0; @@ -88,7 +107,6 @@ static int ehci_bus_resume (struct usb_hcd *hcd) struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 temp; int i; - int intr_enable; if (time_before (jiffies, ehci->next_statechange)) msleep(5); @@ -100,31 +118,30 @@ static int ehci_bus_resume (struct usb_hcd *hcd) * the last user of the controller, not reset/pm hardware keeping * state we gave to it. */ + temp = readl(&ehci->regs->intr_enable); + ehci_dbg(ehci, "resume root hub%s\n", temp ? "" : " after power loss"); - /* re-init operational registers in case we lost power */ - if (readl (&ehci->regs->intr_enable) == 0) { - /* at least some APM implementations will try to deliver - * IRQs right away, so delay them until we're ready. - */ - intr_enable = 1; - writel (0, &ehci->regs->segment); - writel (ehci->periodic_dma, &ehci->regs->frame_list); - writel ((u32)ehci->async->qh_dma, &ehci->regs->async_next); - } else - intr_enable = 0; - ehci_dbg(ehci, "resume root hub%s\n", - intr_enable ? " after power loss" : ""); + /* at least some APM implementations will try to deliver + * IRQs right away, so delay them until we're ready. + */ + writel(0, &ehci->regs->intr_enable); + + /* re-init operational registers */ + writel(0, &ehci->regs->segment); + writel(ehci->periodic_dma, &ehci->regs->frame_list); + writel((u32) ehci->async->qh_dma, &ehci->regs->async_next); /* restore CMD_RUN, framelist size, and irq threshold */ writel (ehci->command, &ehci->regs->command); - /* take ports out of suspend */ + /* manually resume the ports we suspended during bus_suspend() */ i = HCS_N_PORTS (ehci->hcs_params); while (i--) { temp = readl (&ehci->regs->port_status [i]); temp &= ~(PORT_RWC_BITS | PORT_WKOC_E | PORT_WKDISC_E | PORT_WKCONN_E); - if (temp & PORT_SUSPEND) { + if (test_bit(i, &ehci->bus_suspended) && + (temp & PORT_SUSPEND)) { ehci->reset_done [i] = jiffies + msecs_to_jiffies (20); temp |= PORT_RESUME; } @@ -134,11 +151,12 @@ static int ehci_bus_resume (struct usb_hcd *hcd) mdelay (20); while (i--) { temp = readl (&ehci->regs->port_status [i]); - if ((temp & PORT_SUSPEND) == 0) - continue; - temp &= ~(PORT_RWC_BITS | PORT_RESUME); - writel (temp, &ehci->regs->port_status [i]); - ehci_vdbg (ehci, "resumed port %d\n", i + 1); + if (test_bit(i, &ehci->bus_suspended) && + (temp & PORT_SUSPEND)) { + temp &= ~(PORT_RWC_BITS | PORT_RESUME); + writel (temp, &ehci->regs->port_status [i]); + ehci_vdbg (ehci, "resumed port %d\n", i + 1); + } } (void) readl (&ehci->regs->command); @@ -157,8 +175,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd) hcd->state = HC_STATE_RUNNING; /* Now we can safely re-enable irqs */ - if (intr_enable) - writel (INTR_MASK, &ehci->regs->intr_enable); + writel(INTR_MASK, &ehci->regs->intr_enable); spin_unlock_irq (&ehci->lock); return 0; @@ -218,6 +235,7 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) { struct ehci_hcd *ehci = hcd_to_ehci (hcd); u32 temp, status = 0; + u32 mask; int ports, i, retval = 1; unsigned long flags; @@ -233,6 +251,18 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) retval++; } + /* Some boards (mostly VIA?) report bogus overcurrent indications, + * causing massive log spam unless we completely ignore them. It + * may be relevant that VIA VT8235 controlers, where PORT_POWER is + * always set, seem to clear PORT_OCC and PORT_CSC when writing to + * PORT_POWER; that's surprising, but maybe within-spec. + */ + if (!ignore_oc) + mask = PORT_CSC | PORT_PEC | PORT_OCC; + else + mask = PORT_CSC | PORT_PEC; + // PORT_RESUME from hardware ~= PORT_STAT_C_SUSPEND + /* no hub change reports (bit 0) for now (power, ...) */ /* port N changes (bit N)? */ @@ -250,8 +280,7 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) } if (!(temp & PORT_CONNECT)) ehci->reset_done [i] = 0; - if ((temp & (PORT_CSC | PORT_PEC | PORT_OCC)) != 0 - // PORT_STAT_C_SUSPEND? + if ((temp & mask) != 0 || ((temp & PORT_RESUME) != 0 && time_after (jiffies, ehci->reset_done [i]))) { @@ -319,6 +348,7 @@ static int ehci_hub_control ( u32 temp, status; unsigned long flags; int retval = 0; + unsigned selector; /* * FIXME: support SetPortFeatures USB_PORT_FEAT_INDICATOR. @@ -417,7 +447,7 @@ static int ehci_hub_control ( status |= 1 << USB_PORT_FEAT_C_CONNECTION; if (temp & PORT_PEC) status |= 1 << USB_PORT_FEAT_C_ENABLE; - if (temp & PORT_OCC) + if ((temp & PORT_OCC) && !ignore_oc) status |= 1 << USB_PORT_FEAT_C_OVER_CURRENT; /* whoever resumes must GetPortStatus to complete it!! */ @@ -506,6 +536,8 @@ static int ehci_hub_control ( } break; case SetPortFeature: + selector = wIndex >> 8; + wIndex &= 0xff; if (!wIndex || wIndex > ports) goto error; wIndex--; @@ -559,6 +591,22 @@ static int ehci_hub_control ( } writel (temp, &ehci->regs->port_status [wIndex]); break; + + /* For downstream facing ports (these): one hub port is put + * into test mode according to USB2 11.24.2.13, then the hub + * must be reset (which for root hub now means rmmod+modprobe, + * or else system reboot). See EHCI 2.3.9 and 4.14 for info + * about the EHCI-specific stuff. + */ + case USB_PORT_FEAT_TEST: + if (!selector || selector > 5) + goto error; + ehci_quiesce(ehci); + ehci_halt(ehci); + temp |= selector << 16; + writel (temp, &ehci->regs->port_status [wIndex]); + break; + default: goto error; } diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index e51c1ed8..4bc7970 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -257,9 +257,7 @@ static int ehci_pci_suspend(struct usb_hcd *hcd, pm_message_t message) static int ehci_pci_resume(struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); - unsigned port; struct pci_dev *pdev = to_pci_dev(hcd->self.controller); - int retval = -EINVAL; // maybe restore FLADJ @@ -269,27 +267,19 @@ static int ehci_pci_resume(struct usb_hcd *hcd) /* Mark hardware accessible again as we are out of D3 state by now */ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - /* If CF is clear, we lost PCI Vaux power and need to restart. */ - if (readl(&ehci->regs->configured_flag) != FLAG_CF) - goto restart; - - /* If any port is suspended (or owned by the companion), - * we know we can/must resume the HC (and mustn't reset it). - * We just defer that to the root hub code. + /* If CF is still set, we maintained PCI Vaux power. + * Just undo the effect of ehci_pci_suspend(). */ - for (port = HCS_N_PORTS(ehci->hcs_params); port > 0; ) { - u32 status; - port--; - status = readl(&ehci->regs->port_status [port]); - if (!(status & PORT_POWER)) - continue; - if (status & (PORT_SUSPEND | PORT_RESUME | PORT_OWNER)) { - usb_hcd_resume_root_hub(hcd); - return 0; - } + if (readl(&ehci->regs->configured_flag) == FLAG_CF) { + int mask = INTR_MASK; + + if (!device_may_wakeup(&hcd->self.root_hub->dev)) + mask &= ~STS_PCD; + writel(mask, &ehci->regs->intr_enable); + readl(&ehci->regs->intr_enable); + return 0; } -restart: ehci_dbg(ehci, "lost power, restarting\n"); usb_root_hub_lost_power(hcd->self.root_hub); @@ -307,13 +297,15 @@ restart: ehci_work(ehci); spin_unlock_irq(&ehci->lock); - /* restart; khubd will disconnect devices */ - retval = ehci_run(hcd); - /* here we "know" root ports should always stay powered */ ehci_port_power(ehci, 1); - return retval; + writel(ehci->command, &ehci->regs->command); + writel(FLAG_CF, &ehci->regs->configured_flag); + readl(&ehci->regs->command); /* unblock posted writes */ + + hcd->state = HC_STATE_SUSPENDED; + return 0; } #endif diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index bbc3082..74dbc6c 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -74,6 +74,7 @@ struct ehci_hcd { /* one per controller */ /* per root hub port */ unsigned long reset_done [EHCI_MAX_ROOT_PORTS]; + unsigned long bus_suspended; /* per-HC memory pools (could be per-bus, but ...) */ struct dma_pool *qh_pool; /* qh per active urb */ diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index ea4714e..a95275a 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -729,6 +729,16 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) ohci->next_statechange = jiffies + STATECHANGE_DELAY; ohci_writel(ohci, OHCI_INTR_RD | OHCI_INTR_RHSC, ®s->intrstatus); + + /* NOTE: Vendors didn't always make the same implementation + * choices for RHSC. Many followed the spec; RHSC triggers + * on an edge, like setting and maybe clearing a port status + * change bit. With others it's level-triggered, active + * until khubd clears all the port status change bits. We'll + * always disable it here and rely on polling until khubd + * re-enables it. + */ + ohci_writel(ohci, OHCI_INTR_RHSC, ®s->intrdisable); usb_hcd_poll_rh_status(hcd); } diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 6995ea3..2441642 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -41,7 +41,11 @@ static void ohci_rhsc_enable (struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); - ohci_writel (ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable); + spin_lock_irq(&ohci->lock); + if (!ohci->autostop) + del_timer(&hcd->rh_timer); /* Prevent next poll */ + ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable); + spin_unlock_irq(&ohci->lock); } #define OHCI_SCHED_ENABLES \ @@ -50,6 +54,9 @@ static void ohci_rhsc_enable (struct usb_hcd *hcd) static void dl_done_list (struct ohci_hcd *); static void finish_unlinks (struct ohci_hcd *, u16); +#ifdef CONFIG_PM +static int ohci_restart(struct ohci_hcd *ohci); + static int ohci_rh_suspend (struct ohci_hcd *ohci, int autostop) __releases(ohci->lock) __acquires(ohci->lock) @@ -132,8 +139,6 @@ static inline struct ed *find_head (struct ed *ed) return ed; } -static int ohci_restart (struct ohci_hcd *ohci); - /* caller has locked the root hub */ static int ohci_rh_resume (struct ohci_hcd *ohci) __releases(ohci->lock) @@ -169,7 +174,7 @@ __acquires(ohci->lock) break; case OHCI_USB_RESUME: /* HCFS changes sometime after INTR_RD */ - ohci_info(ohci, "%swakeup\n", + ohci_dbg(ohci, "%swakeup root hub\n", autostopped ? "auto-" : ""); break; case OHCI_USB_OPER: @@ -181,7 +186,6 @@ __acquires(ohci->lock) ohci_dbg (ohci, "lost power\n"); status = -EBUSY; } -#ifdef CONFIG_PM if (status == -EBUSY) { if (!autostopped) { spin_unlock_irq (&ohci->lock); @@ -191,25 +195,12 @@ __acquires(ohci->lock) } return status; } -#endif if (status != -EINPROGRESS) return status; if (autostopped) goto skip_resume; spin_unlock_irq (&ohci->lock); - temp = ohci->num_ports; - while (temp--) { - u32 stat = ohci_readl (ohci, - &ohci->regs->roothub.portstatus [temp]); - - /* force global, not selective, resume */ - if (!(stat & RH_PS_PSS)) - continue; - ohci_writel (ohci, RH_PS_POCI, - &ohci->regs->roothub.portstatus [temp]); - } - /* Some controllers (lucent erratum) need extra-long delays */ msleep (20 /* usb 11.5.1.10 */ + 12 /* 32 msec counter */ + 1); @@ -217,6 +208,7 @@ __acquires(ohci->lock) temp &= OHCI_CTRL_HCFS; if (temp != OHCI_USB_RESUME) { ohci_err (ohci, "controller won't resume\n"); + spin_lock_irq(&ohci->lock); return -EBUSY; } @@ -296,8 +288,6 @@ skip_resume: return 0; } -#ifdef CONFIG_PM - static int ohci_bus_suspend (struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); @@ -335,6 +325,83 @@ static int ohci_bus_resume (struct usb_hcd *hcd) return rc; } +/* Carry out polling-, autostop-, and autoresume-related state changes */ +static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed, + int any_connected) +{ + int poll_rh = 1; + + switch (ohci->hc_control & OHCI_CTRL_HCFS) { + + case OHCI_USB_OPER: + /* keep on polling until we know a device is connected + * and RHSC is enabled */ + if (!ohci->autostop) { + if (any_connected || + !device_may_wakeup(&ohci_to_hcd(ohci) + ->self.root_hub->dev)) { + if (ohci_readl(ohci, &ohci->regs->intrenable) & + OHCI_INTR_RHSC) + poll_rh = 0; + } else { + ohci->autostop = 1; + ohci->next_statechange = jiffies + HZ; + } + + /* if no devices have been attached for one second, autostop */ + } else { + if (changed || any_connected) { + ohci->autostop = 0; + ohci->next_statechange = jiffies + + STATECHANGE_DELAY; + } else if (time_after_eq(jiffies, + ohci->next_statechange) + && !ohci->ed_rm_list + && !(ohci->hc_control & + OHCI_SCHED_ENABLES)) { + ohci_rh_suspend(ohci, 1); + } + } + break; + + /* if there is a port change, autostart or ask to be resumed */ + case OHCI_USB_SUSPEND: + case OHCI_USB_RESUME: + if (changed) { + if (ohci->autostop) + ohci_rh_resume(ohci); + else + usb_hcd_resume_root_hub(ohci_to_hcd(ohci)); + } else { + /* everything is idle, no need for polling */ + poll_rh = 0; + } + break; + } + return poll_rh; +} + +#else /* CONFIG_PM */ + +static inline int ohci_rh_resume(struct ohci_hcd *ohci) +{ + return 0; +} + +/* Carry out polling-related state changes. + * autostop isn't used when CONFIG_PM is turned off. + */ +static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed, + int any_connected) +{ + int poll_rh = 1; + + /* keep on polling until RHSC is enabled */ + if (ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC) + poll_rh = 0; + return poll_rh; +} + #endif /* CONFIG_PM */ /*-------------------------------------------------------------------------*/ @@ -346,7 +413,7 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf) { struct ohci_hcd *ohci = hcd_to_ohci (hcd); int i, changed = 0, length = 1; - int any_connected = 0, rhsc_enabled = 1; + int any_connected = 0; unsigned long flags; spin_lock_irqsave (&ohci->lock, flags); @@ -387,67 +454,8 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf) } } - /* NOTE: vendors didn't always make the same implementation - * choices for RHSC. Sometimes it triggers on an edge (like - * setting and maybe clearing a port status change bit); and - * it's level-triggered on other silicon, active until khubd - * clears all active port status change bits. If it's still - * set (level-triggered) we must disable it and rely on - * polling until khubd re-enables it. - */ - if (ohci_readl (ohci, &ohci->regs->intrstatus) & OHCI_INTR_RHSC) { - ohci_writel (ohci, OHCI_INTR_RHSC, &ohci->regs->intrdisable); - (void) ohci_readl (ohci, &ohci->regs->intrdisable); - rhsc_enabled = 0; - } - hcd->poll_rh = 1; - - /* carry out appropriate state changes */ - switch (ohci->hc_control & OHCI_CTRL_HCFS) { - - case OHCI_USB_OPER: - /* keep on polling until we know a device is connected - * and RHSC is enabled */ - if (!ohci->autostop) { - if (any_connected) { - if (rhsc_enabled) - hcd->poll_rh = 0; - } else { - ohci->autostop = 1; - ohci->next_statechange = jiffies + HZ; - } - - /* if no devices have been attached for one second, autostop */ - } else { - if (changed || any_connected) { - ohci->autostop = 0; - ohci->next_statechange = jiffies + - STATECHANGE_DELAY; - } else if (device_may_wakeup(&hcd->self.root_hub->dev) - && time_after_eq(jiffies, - ohci->next_statechange) - && !ohci->ed_rm_list - && !(ohci->hc_control & - OHCI_SCHED_ENABLES)) { - ohci_rh_suspend (ohci, 1); - } - } - break; - - /* if there is a port change, autostart or ask to be resumed */ - case OHCI_USB_SUSPEND: - case OHCI_USB_RESUME: - if (changed) { - if (ohci->autostop) - ohci_rh_resume (ohci); - else - usb_hcd_resume_root_hub (hcd); - } else { - /* everything is idle, no need for polling */ - hcd->poll_rh = 0; - } - break; - } + hcd->poll_rh = ohci_root_hub_state_changes(ohci, changed, + any_connected); done: spin_unlock_irqrestore (&ohci->lock, flags); diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index a00d159..ef54e310b 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -71,7 +71,7 @@ static int distrust_firmware = 1; module_param(distrust_firmware, bool, 0); MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurren" "t setup"); -DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait); +static DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait); /* * u132_module_lock exists to protect access to global variables * @@ -205,11 +205,7 @@ struct u132 { struct u132_port port[MAX_U132_PORTS]; struct u132_endp *endp[MAX_U132_ENDPS]; }; -int usb_ftdi_elan_read_reg(struct platform_device *pdev, u32 *data); -int usb_ftdi_elan_read_pcimem(struct platform_device *pdev, u8 addressofs, - u8 width, u32 *data); -int usb_ftdi_elan_write_pcimem(struct platform_device *pdev, u8 addressofs, - u8 width, u32 data); + /* * these cannot be inlines because we need the structure offset!! * Does anyone have a better way????? diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 3038ed0..8ccddf7 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -796,7 +796,7 @@ static int mts_usb_probe(struct usb_interface *intf, new_desc->context.scsi_status = kmalloc(1, GFP_KERNEL); if (!new_desc->context.scsi_status) - goto out_kfree2; + goto out_free_urb; new_desc->usb_dev = dev; new_desc->usb_intf = intf; @@ -822,18 +822,20 @@ static int mts_usb_probe(struct usb_interface *intf, new_desc->host = scsi_host_alloc(&mts_scsi_host_template, sizeof(new_desc)); if (!new_desc->host) - goto out_free_urb; + goto out_kfree2; new_desc->host->hostdata[0] = (unsigned long)new_desc; if (scsi_add_host(new_desc->host, NULL)) { err_retval = -EIO; - goto out_free_urb; + goto out_host_put; } scsi_scan_host(new_desc->host); usb_set_intfdata(intf, new_desc); return 0; + out_host_put: + scsi_host_put(new_desc->host); out_kfree2: kfree(new_desc->context.scsi_status); out_free_urb: diff --git a/drivers/usb/input/Kconfig b/drivers/usb/input/Kconfig index 20db364..661af7a 100644 --- a/drivers/usb/input/Kconfig +++ b/drivers/usb/input/Kconfig @@ -221,6 +221,7 @@ config USB_TOUCHSCREEN - ITM - some other eTurboTouch - Gunze AHL61 + - DMC TSC-10/25 Have a look at <http://linux.chapter7.ch/touchkit/> for a usage description and the required user-space stuff. @@ -258,6 +259,11 @@ config USB_TOUCHSCREEN_GUNZE bool "Gunze AHL61 device support" if EMBEDDED depends on USB_TOUCHSCREEN +config USB_TOUCHSCREEN_DMC_TSC10 + default y + bool "DMC TSC-10/25 device support" if EMBEDDED + depends on USB_TOUCHSCREEN + config USB_YEALINK tristate "Yealink usb-p1k voip phone" depends on USB && INPUT && EXPERIMENTAL diff --git a/drivers/usb/input/ati_remote.c b/drivers/usb/input/ati_remote.c index 787b847..ff23318 100644 --- a/drivers/usb/input/ati_remote.c +++ b/drivers/usb/input/ati_remote.c @@ -630,11 +630,8 @@ static int ati_remote_alloc_buffers(struct usb_device *udev, */ static void ati_remote_free_buffers(struct ati_remote *ati_remote) { - if (ati_remote->irq_urb) - usb_free_urb(ati_remote->irq_urb); - - if (ati_remote->out_urb) - usb_free_urb(ati_remote->out_urb); + usb_free_urb(ati_remote->irq_urb); + usb_free_urb(ati_remote->out_urb); usb_buffer_free(ati_remote->udev, DATA_BUFSIZE, ati_remote->inbuf, ati_remote->inbuf_dma); diff --git a/drivers/usb/input/ati_remote2.c b/drivers/usb/input/ati_remote2.c index f982a2b..83f1f79 100644 --- a/drivers/usb/input/ati_remote2.c +++ b/drivers/usb/input/ati_remote2.c @@ -372,8 +372,7 @@ static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2) int i; for (i = 0; i < 2; i++) { - if (ar2->urb[i]) - usb_free_urb(ar2->urb[i]); + usb_free_urb(ar2->urb[i]); if (ar2->buf[i]) usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]); diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 6d08a3b..a49644b 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -968,20 +968,29 @@ static void hid_retry_timeout(unsigned long _hid) hid_io_error(hid); } -/* Workqueue routine to reset the device */ +/* Workqueue routine to reset the device or clear a halt */ static void hid_reset(void *_hid) { struct hid_device *hid = (struct hid_device *) _hid; - int rc_lock, rc; - - dev_dbg(&hid->intf->dev, "resetting device\n"); - rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf); - if (rc_lock >= 0) { - rc = usb_reset_composite_device(hid->dev, hid->intf); - if (rc_lock) - usb_unlock_device(hid->dev); + int rc_lock, rc = 0; + + if (test_bit(HID_CLEAR_HALT, &hid->iofl)) { + dev_dbg(&hid->intf->dev, "clear halt\n"); + rc = usb_clear_halt(hid->dev, hid->urbin->pipe); + clear_bit(HID_CLEAR_HALT, &hid->iofl); + hid_start_in(hid); + } + + else if (test_bit(HID_RESET_PENDING, &hid->iofl)) { + dev_dbg(&hid->intf->dev, "resetting device\n"); + rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf); + if (rc_lock >= 0) { + rc = usb_reset_composite_device(hid->dev, hid->intf); + if (rc_lock) + usb_unlock_device(hid->dev); + } + clear_bit(HID_RESET_PENDING, &hid->iofl); } - clear_bit(HID_RESET_PENDING, &hid->iofl); switch (rc) { case 0: @@ -1023,9 +1032,8 @@ static void hid_io_error(struct hid_device *hid) /* Retries failed, so do a port reset */ if (!test_and_set_bit(HID_RESET_PENDING, &hid->iofl)) { - if (schedule_work(&hid->reset_work)) - goto done; - clear_bit(HID_RESET_PENDING, &hid->iofl); + schedule_work(&hid->reset_work); + goto done; } } @@ -1049,6 +1057,11 @@ static void hid_irq_in(struct urb *urb) hid->retry_delay = 0; hid_input_report(HID_INPUT_REPORT, urb, 1); break; + case -EPIPE: /* stall */ + clear_bit(HID_IN_RUNNING, &hid->iofl); + set_bit(HID_CLEAR_HALT, &hid->iofl); + schedule_work(&hid->reset_work); + return; case -ECONNRESET: /* unlink */ case -ENOENT: case -ESHUTDOWN: /* unplug */ @@ -1627,6 +1640,19 @@ void hid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_APPLE 0x05ac #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304 +#define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e +#define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO 0x020f +#define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214 +#define USB_DEVICE_ID_APPLE_GEYSER_ISO 0x0215 +#define USB_DEVICE_ID_APPLE_GEYSER_JIS 0x0216 +#define USB_DEVICE_ID_APPLE_GEYSER3_ANSI 0x0217 +#define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218 +#define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219 +#define USB_DEVICE_ID_APPLE_GEYSER4_ANSI 0x021a +#define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b +#define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c +#define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a +#define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b #define USB_VENDOR_ID_CHERRY 0x046a #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 @@ -1794,17 +1820,19 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION }, - { USB_VENDOR_ID_APPLE, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, - { USB_VENDOR_ID_APPLE, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x021B, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN }, - { USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD}, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN }, + { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN }, { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE }, @@ -1985,7 +2013,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0) interval = hid_mousepoll_interval; - if (endpoint->bEndpointAddress & USB_DIR_IN) { + if (usb_endpoint_dir_in(endpoint)) { if (hid->urbin) continue; if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL))) @@ -2067,13 +2095,9 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) return hid; fail: - - if (hid->urbin) - usb_free_urb(hid->urbin); - if (hid->urbout) - usb_free_urb(hid->urbout); - if (hid->urbctrl) - usb_free_urb(hid->urbctrl); + usb_free_urb(hid->urbin); + usb_free_urb(hid->urbout); + usb_free_urb(hid->urbctrl); hid_free_buffers(dev, hid); hid_free_device(hid); @@ -2104,8 +2128,7 @@ static void hid_disconnect(struct usb_interface *intf) usb_free_urb(hid->urbin); usb_free_urb(hid->urbctrl); - if (hid->urbout) - usb_free_urb(hid->urbout); + usb_free_urb(hid->urbout); hid_free_buffers(hid->dev, hid); hid_free_device(hid); diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h index 0e76e6d..2a9bf07 100644 --- a/drivers/usb/input/hid.h +++ b/drivers/usb/input/hid.h @@ -385,6 +385,7 @@ struct hid_control_fifo { #define HID_IN_RUNNING 3 #define HID_RESET_PENDING 4 #define HID_SUSPENDED 5 +#define HID_CLEAR_HALT 6 struct hid_input { struct list_head list; diff --git a/drivers/usb/input/usbkbd.c b/drivers/usb/input/usbkbd.c index c73285c..dac8864 100644 --- a/drivers/usb/input/usbkbd.c +++ b/drivers/usb/input/usbkbd.c @@ -208,10 +208,8 @@ static int usb_kbd_alloc_mem(struct usb_device *dev, struct usb_kbd *kbd) static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd) { - if (kbd->irq) - usb_free_urb(kbd->irq); - if (kbd->led) - usb_free_urb(kbd->led); + usb_free_urb(kbd->irq); + usb_free_urb(kbd->led); if (kbd->new) usb_buffer_free(dev, 8, kbd->new, kbd->new_dma); if (kbd->cr) @@ -236,9 +234,7 @@ static int usb_kbd_probe(struct usb_interface *iface, return -ENODEV; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & USB_DIR_IN)) - return -ENODEV; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_is_int_in(endpoint)) return -ENODEV; pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); diff --git a/drivers/usb/input/usbmouse.c b/drivers/usb/input/usbmouse.c index cbbbea3..68a55642 100644 --- a/drivers/usb/input/usbmouse.c +++ b/drivers/usb/input/usbmouse.c @@ -126,9 +126,7 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i return -ENODEV; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & USB_DIR_IN)) - return -ENODEV; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_is_int_in(endpoint)) return -ENODEV; pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); diff --git a/drivers/usb/input/usbtouchscreen.c b/drivers/usb/input/usbtouchscreen.c index 933cedd..49704d4 100644 --- a/drivers/usb/input/usbtouchscreen.c +++ b/drivers/usb/input/usbtouchscreen.c @@ -8,6 +8,7 @@ * - PanJit TouchSet * - eTurboTouch * - Gunze AHL61 + * - DMC TSC-10/25 * * Copyright (C) 2004-2006 by Daniel Ritz <daniel.ritz@gmx.ch> * Copyright (C) by Todd E. Johnson (mtouchusb.c) @@ -30,6 +31,8 @@ * - ITM parts are from itmtouch.c * - 3M parts are from mtouchusb.c * - PanJit parts are from an unmerged driver by Lanslott Gish + * - DMC TSC 10/25 are from Holger Schurig, with ideas from an unmerged + * driver from Marius Vollmer * *****************************************************************************/ @@ -44,7 +47,7 @@ #include <linux/usb/input.h> -#define DRIVER_VERSION "v0.4" +#define DRIVER_VERSION "v0.5" #define DRIVER_AUTHOR "Daniel Ritz <daniel.ritz@gmx.ch>" #define DRIVER_DESC "USB Touchscreen Driver" @@ -103,6 +106,7 @@ enum { DEVTYPE_ITM, DEVTYPE_ETURBO, DEVTYPE_GUNZE, + DEVTYPE_DMC_TSC10, }; static struct usb_device_id usbtouch_devices[] = { @@ -139,6 +143,10 @@ static struct usb_device_id usbtouch_devices[] = { {USB_DEVICE(0x0637, 0x0001), .driver_info = DEVTYPE_GUNZE}, #endif +#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10 + {USB_DEVICE(0x0afa, 0x03e8), .driver_info = DEVTYPE_DMC_TSC10}, +#endif + {} }; @@ -313,6 +321,80 @@ static int gunze_read_data(unsigned char *pkt, int *x, int *y, int *touch, int * #endif /***************************************************************************** + * DMC TSC-10/25 Part + * + * Documentation about the controller and it's protocol can be found at + * http://www.dmccoltd.com/files/controler/tsc10usb_pi_e.pdf + * http://www.dmccoltd.com/files/controler/tsc25_usb_e.pdf + */ +#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10 + +/* supported data rates. currently using 130 */ +#define TSC10_RATE_POINT 0x50 +#define TSC10_RATE_30 0x40 +#define TSC10_RATE_50 0x41 +#define TSC10_RATE_80 0x42 +#define TSC10_RATE_100 0x43 +#define TSC10_RATE_130 0x44 +#define TSC10_RATE_150 0x45 + +/* commands */ +#define TSC10_CMD_RESET 0x55 +#define TSC10_CMD_RATE 0x05 +#define TSC10_CMD_DATA1 0x01 + +static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) +{ + struct usb_device *dev = usbtouch->udev; + int ret; + unsigned char buf[2]; + + /* reset */ + buf[0] = buf[1] = 0xFF; + ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), + TSC10_CMD_RESET, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, 0, buf, 2, USB_CTRL_SET_TIMEOUT); + if (ret < 0) + return ret; + if (buf[0] != 0x06 || buf[1] != 0x00) + return -ENODEV; + + /* set coordinate output rate */ + buf[0] = buf[1] = 0xFF; + ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), + TSC10_CMD_RATE, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + TSC10_RATE_150, 0, buf, 2, USB_CTRL_SET_TIMEOUT); + if (ret < 0) + return ret; + if (buf[0] != 0x06 || buf[1] != 0x00) + return -ENODEV; + + /* start sending data */ + ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), + TSC10_CMD_DATA1, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); + if (ret < 0) + return ret; + + return 0; +} + + +static int dmc_tsc10_read_data(unsigned char *pkt, int *x, int *y, int *touch, int *press) +{ + *x = ((pkt[2] & 0x03) << 8) | pkt[1]; + *y = ((pkt[4] & 0x03) << 8) | pkt[3]; + *touch = pkt[0] & 0x01; + + return 1; +} +#endif + + +/***************************************************************************** * the different device descriptors */ static struct usbtouch_device_info usbtouch_dev_info[] = { @@ -389,6 +471,18 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .read_data = gunze_read_data, }, #endif + +#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10 + [DEVTYPE_DMC_TSC10] = { + .min_xc = 0x0, + .max_xc = 0x03ff, + .min_yc = 0x0, + .max_yc = 0x03ff, + .rept_size = 5, + .init = dmc_tsc10_init, + .read_data = dmc_tsc10_read_data, + }, +#endif }; diff --git a/drivers/usb/input/wacom.h b/drivers/usb/input/wacom.h index 1cf08f0..d85abfc 100644 --- a/drivers/usb/input/wacom.h +++ b/drivers/usb/input/wacom.h @@ -110,7 +110,6 @@ struct wacom_combo { }; extern int wacom_wac_irq(struct wacom_wac * wacom_wac, void * wcombo); -extern void wacom_sys_irq(struct urb *urb); extern void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data); extern void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data); extern void wacom_report_key(void *wcombo, unsigned int key_type, int key_data); diff --git a/drivers/usb/input/wacom_sys.c b/drivers/usb/input/wacom_sys.c index 3498b89..e7cc20a 100644 --- a/drivers/usb/input/wacom_sys.c +++ b/drivers/usb/input/wacom_sys.c @@ -42,7 +42,7 @@ static struct input_dev * get_input_dev(struct wacom_combo *wcombo) return wcombo->wacom->dev; } -void wacom_sys_irq(struct urb *urb) +static void wacom_sys_irq(struct urb *urb) { struct wacom *wacom = urb->context; struct wacom_combo wcombo; diff --git a/drivers/usb/input/yealink.c b/drivers/usb/input/yealink.c index 905bf63..2268ca3 100644 --- a/drivers/usb/input/yealink.c +++ b/drivers/usb/input/yealink.c @@ -859,10 +859,8 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id) interface = intf->cur_altsetting; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & USB_DIR_IN)) - return -EIO; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) - return -EIO; + if (!usb_endpoint_is_int_in(endpoint)) + return -ENODEV; yld = kzalloc(sizeof(struct yealink_dev), GFP_KERNEL); if (!yld) diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index 11dc595..2cba07d 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile @@ -4,6 +4,7 @@ # obj-$(CONFIG_USB_ADUTUX) += adutux.o +obj-$(CONFIG_USB_APPLEDISPLAY) += appledisplay.o obj-$(CONFIG_USB_AUERSWALD) += auerswald.o obj-$(CONFIG_USB_CYPRESS_CY7C63)+= cypress_cy7c63.o obj-$(CONFIG_USB_CYTHERM) += cytherm.o diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 6b23a1d..ba30ca6 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -216,10 +216,7 @@ static int appledisplay_probe(struct usb_interface *iface, iface_desc = iface->cur_altsetting; for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { endpoint = &iface_desc->endpoint[i].desc; - if (!int_in_endpointAddr && - (endpoint->bEndpointAddress & USB_DIR_IN) && - ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_INT)) { + if (!int_in_endpointAddr && usb_endpoint_is_int_in(endpoint)) { /* we found an interrupt in endpoint */ int_in_endpointAddr = endpoint->bEndpointAddress; break; diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c index e4971d6..c703f73 100644 --- a/drivers/usb/misc/auerswald.c +++ b/drivers/usb/misc/auerswald.c @@ -704,9 +704,7 @@ static void auerbuf_free (pauerbuf_t bp) { kfree(bp->bufp); kfree(bp->dr); - if (bp->urbp) { - usb_free_urb(bp->urbp); - } + usb_free_urb(bp->urbp); kfree(bp); } @@ -1155,8 +1153,7 @@ static void auerswald_int_release (pauerswald_t cp) dbg ("auerswald_int_release"); /* stop the int endpoint */ - if (cp->inturbp) - usb_kill_urb (cp->inturbp); + usb_kill_urb (cp->inturbp); /* deallocate memory */ auerswald_int_free (cp); diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c index 1fd9cb8..5c0a26c 100644 --- a/drivers/usb/misc/emi26.c +++ b/drivers/usb/misc/emi26.c @@ -53,13 +53,12 @@ static void __exit emi26_exit (void); static int emi26_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) { int result; - unsigned char *buffer = kmalloc (length, GFP_KERNEL); + unsigned char *buffer = kmemdup(data, length, GFP_KERNEL); if (!buffer) { err("emi26: kmalloc(%d) failed.", length); return -ENOMEM; } - memcpy (buffer, data, length); /* Note: usb_control_msg returns negative value on error or length of the * data that was written! */ result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300); diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c index fe35137..23153ea 100644 --- a/drivers/usb/misc/emi62.c +++ b/drivers/usb/misc/emi62.c @@ -61,13 +61,12 @@ static void __exit emi62_exit (void); static int emi62_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) { int result; - unsigned char *buffer = kmalloc (length, GFP_KERNEL); + unsigned char *buffer = kmemdup(data, length, GFP_KERNEL); if (!buffer) { err("emi62: kmalloc(%d) failed.", length); return -ENOMEM; } - memcpy (buffer, data, length); /* Note: usb_control_msg returns negative value on error or length of the * data that was written! */ result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300); diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 9b591b8..cb0ba31 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -303,7 +303,7 @@ void ftdi_elan_gone_away(struct platform_device *pdev) EXPORT_SYMBOL_GPL(ftdi_elan_gone_away); -void ftdi_release_platform_dev(struct device *dev) +static void ftdi_release_platform_dev(struct device *dev) { dev->parent = NULL; } @@ -1426,14 +1426,6 @@ static int ftdi_elan_read_reg(struct usb_ftdi *ftdi, u32 *data) } } -int usb_ftdi_elan_read_reg(struct platform_device *pdev, u32 *data) -{ - struct usb_ftdi *ftdi = platform_device_to_usb_ftdi(pdev); - return ftdi_elan_read_reg(ftdi, data); -} - - -EXPORT_SYMBOL_GPL(usb_ftdi_elan_read_reg); static int ftdi_elan_read_config(struct usb_ftdi *ftdi, int config_offset, u8 width, u32 *data) { @@ -2633,10 +2625,7 @@ static int ftdi_elan_probe(struct usb_interface *interface, for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { endpoint = &iface_desc->endpoint[i].desc; if (!ftdi->bulk_in_endpointAddr && - ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) - == USB_DIR_IN) && ((endpoint->bmAttributes & - USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK)) - { + usb_endpoint_is_bulk_in(endpoint)) { buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); ftdi->bulk_in_size = buffer_size; ftdi->bulk_in_endpointAddr = endpoint->bEndpointAddress; @@ -2649,10 +2638,7 @@ static int ftdi_elan_probe(struct usb_interface *interface, } } if (!ftdi->bulk_out_endpointAddr && - ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) - == USB_DIR_OUT) && ((endpoint->bmAttributes & - USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK)) - { + usb_endpoint_is_bulk_out(endpoint)) { ftdi->bulk_out_endpointAddr = endpoint->bEndpointAddress; } diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index 8e6e195..c941853 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -125,12 +125,12 @@ static DEFINE_MUTEX(disconnect_mutex); static int idmouse_create_image(struct usb_idmouse *dev) { - int bytes_read = 0; - int bulk_read = 0; - int result = 0; + int bytes_read; + int bulk_read; + int result; memcpy(dev->bulk_in_buffer, HEADER, sizeof(HEADER)-1); - bytes_read += sizeof(HEADER)-1; + bytes_read = sizeof(HEADER)-1; /* reset the device and set a fast blink rate */ result = ftip_command(dev, FTIP_RELEASE, 0, 0); @@ -208,9 +208,9 @@ static inline void idmouse_delete(struct usb_idmouse *dev) static int idmouse_open(struct inode *inode, struct file *file) { - struct usb_idmouse *dev = NULL; + struct usb_idmouse *dev; struct usb_interface *interface; - int result = 0; + int result; /* prevent disconnects */ mutex_lock(&disconnect_mutex); @@ -305,7 +305,7 @@ static ssize_t idmouse_read(struct file *file, char __user *buffer, size_t count loff_t * ppos) { struct usb_idmouse *dev; - int result = 0; + int result; dev = (struct usb_idmouse *) file->private_data; @@ -329,7 +329,7 @@ static int idmouse_probe(struct usb_interface *interface, const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev(interface); - struct usb_idmouse *dev = NULL; + struct usb_idmouse *dev; struct usb_host_interface *iface_desc; struct usb_endpoint_descriptor *endpoint; int result; @@ -350,11 +350,7 @@ static int idmouse_probe(struct usb_interface *interface, /* set up the endpoint information - use only the first bulk-in endpoint */ endpoint = &iface_desc->endpoint[0].desc; - if (!dev->bulk_in_endpointAddr - && (endpoint->bEndpointAddress & USB_DIR_IN) - && ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == - USB_ENDPOINT_XFER_BULK)) { - + if (!dev->bulk_in_endpointAddr && usb_endpoint_is_bulk_in(endpoint)) { /* we found a bulk in endpoint */ dev->orig_bi_size = le16_to_cpu(endpoint->wMaxPacketSize); dev->bulk_in_size = 0x200; /* works _much_ faster */ diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 2708949..5dce797 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -317,12 +317,8 @@ static inline void tower_delete (struct lego_usb_tower *dev) tower_abort_transfers (dev); /* free data structures */ - if (dev->interrupt_in_urb != NULL) { - usb_free_urb (dev->interrupt_in_urb); - } - if (dev->interrupt_out_urb != NULL) { - usb_free_urb (dev->interrupt_out_urb); - } + usb_free_urb(dev->interrupt_in_urb); + usb_free_urb(dev->interrupt_out_urb); kfree (dev->read_buffer); kfree (dev->interrupt_in_buffer); kfree (dev->interrupt_out_buffer); @@ -502,15 +498,11 @@ static void tower_abort_transfers (struct lego_usb_tower *dev) if (dev->interrupt_in_running) { dev->interrupt_in_running = 0; mb(); - if (dev->interrupt_in_urb != NULL && dev->udev) { + if (dev->udev) usb_kill_urb (dev->interrupt_in_urb); - } - } - if (dev->interrupt_out_busy) { - if (dev->interrupt_out_urb != NULL && dev->udev) { - usb_kill_urb (dev->interrupt_out_urb); - } } + if (dev->interrupt_out_busy && dev->udev) + usb_kill_urb(dev->interrupt_out_urb); exit: dbg(2, "%s: leave", __FUNCTION__); @@ -898,14 +890,11 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { endpoint = &iface_desc->endpoint[i].desc; - if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) && - ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) { - dev->interrupt_in_endpoint = endpoint; - } - - if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) && - ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) { - dev->interrupt_out_endpoint = endpoint; + if (usb_endpoint_xfer_int(endpoint)) { + if (usb_endpoint_dir_in(endpoint)) + dev->interrupt_in_endpoint = endpoint; + else + dev->interrupt_out_endpoint = endpoint; } } if(dev->interrupt_in_endpoint == NULL) { diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c index abb4dcd..9110793 100644 --- a/drivers/usb/misc/phidgetkit.c +++ b/drivers/usb/misc/phidgetkit.c @@ -551,7 +551,7 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic return -ENODEV; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & 0x80)) + if (!usb_endpoint_dir_in(endpoint)) return -ENODEV; /* * bmAttributes @@ -650,8 +650,7 @@ out2: device_remove_file(kit->dev, &dev_output_attrs[i]); out: if (kit) { - if (kit->irq) - usb_free_urb(kit->irq); + usb_free_urb(kit->irq); if (kit->data) usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma); if (kit->dev) diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c index 5c780ca..c3469b0 100644 --- a/drivers/usb/misc/phidgetmotorcontrol.c +++ b/drivers/usb/misc/phidgetmotorcontrol.c @@ -323,7 +323,7 @@ static int motorcontrol_probe(struct usb_interface *intf, const struct usb_devic return -ENODEV; endpoint = &interface->endpoint[0].desc; - if (!(endpoint->bEndpointAddress & 0x80)) + if (!usb_endpoint_dir_in(endpoint)) return -ENODEV; /* @@ -392,8 +392,7 @@ out2: device_remove_file(mc->dev, &dev_attrs[i]); out: if (mc) { - if (mc->irq) - usb_free_urb(mc->irq); + usb_free_urb(mc->irq); if (mc->data) usb_buffer_free(dev, URB_INT_SIZE, mc->data, mc->data_dma); if (mc->dev) diff --git a/drivers/usb/misc/usb_u132.h b/drivers/usb/misc/usb_u132.h index 5b5a3e6..dc2e5a3 100644 --- a/drivers/usb/misc/usb_u132.h +++ b/drivers/usb/misc/usb_u132.h @@ -95,3 +95,7 @@ int usb_ftdi_elan_edset_setup(struct platform_device *pdev, u8 ed_number, int halted, int skipped, int actual, int non_null)); int usb_ftdi_elan_edset_flush(struct platform_device *pdev, u8 ed_number, void *endp); +int usb_ftdi_elan_read_pcimem(struct platform_device *pdev, int mem_offset, + u8 width, u32 *data); +int usb_ftdi_elan_write_pcimem(struct platform_device *pdev, int mem_offset, + u8 width, u32 data); diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 7c2cbdf..194065d 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -138,7 +138,7 @@ get_endpoints (struct usbtest_dev *dev, struct usb_interface *intf) default: continue; } - if (e->desc.bEndpointAddress & USB_DIR_IN) { + if (usb_endpoint_dir_in(&e->desc)) { if (!in) in = e; } else { @@ -147,7 +147,7 @@ get_endpoints (struct usbtest_dev *dev, struct usb_interface *intf) } continue; try_iso: - if (e->desc.bEndpointAddress & USB_DIR_IN) { + if (usb_endpoint_dir_in(&e->desc)) { if (!iso_in) iso_in = e; } else { diff --git a/drivers/usb/net/asix.c b/drivers/usb/net/asix.c index 881841e..95e682e 100644 --- a/drivers/usb/net/asix.c +++ b/drivers/usb/net/asix.c @@ -249,9 +249,9 @@ asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; req->bRequest = cmd; - req->wValue = value; - req->wIndex = index; - req->wLength = size; + req->wValue = cpu_to_le16(value); + req->wIndex = cpu_to_le16(index); + req->wLength = cpu_to_le16(size); usb_fill_control_urb(urb, dev->udev, usb_sndctrlpipe(dev->udev, 0), diff --git a/drivers/usb/net/catc.c b/drivers/usb/net/catc.c index f740325..907b820 100644 --- a/drivers/usb/net/catc.c +++ b/drivers/usb/net/catc.c @@ -786,14 +786,10 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id if ((!catc->ctrl_urb) || (!catc->tx_urb) || (!catc->rx_urb) || (!catc->irq_urb)) { err("No free urbs available."); - if (catc->ctrl_urb) - usb_free_urb(catc->ctrl_urb); - if (catc->tx_urb) - usb_free_urb(catc->tx_urb); - if (catc->rx_urb) - usb_free_urb(catc->rx_urb); - if (catc->irq_urb) - usb_free_urb(catc->irq_urb); + usb_free_urb(catc->ctrl_urb); + usb_free_urb(catc->tx_urb); + usb_free_urb(catc->rx_urb); + usb_free_urb(catc->irq_urb); free_netdev(netdev); return -ENOMEM; } diff --git a/drivers/usb/net/cdc_ether.c b/drivers/usb/net/cdc_ether.c index f6971b8..44a9154 100644 --- a/drivers/usb/net/cdc_ether.c +++ b/drivers/usb/net/cdc_ether.c @@ -200,8 +200,7 @@ next_desc: dev->status = &info->control->cur_altsetting->endpoint [0]; desc = &dev->status->desc; - if (desc->bmAttributes != USB_ENDPOINT_XFER_INT - || !(desc->bEndpointAddress & USB_DIR_IN) + if (!usb_endpoint_is_int_in(desc) || (le16_to_cpu(desc->wMaxPacketSize) < sizeof(struct usb_cdc_notification)) || !desc->bInterval) { diff --git a/drivers/usb/net/net1080.c b/drivers/usb/net/net1080.c index ce00de8..a774105 100644 --- a/drivers/usb/net/net1080.c +++ b/drivers/usb/net/net1080.c @@ -237,12 +237,12 @@ static inline void nc_dump_usbctl(struct usbnet *dev, u16 usbctl) #define STATUS_CONN_OTHER (1 << 14) #define STATUS_SUSPEND_OTHER (1 << 13) #define STATUS_MAILBOX_OTHER (1 << 12) -#define STATUS_PACKETS_OTHER(n) (((n) >> 8) && 0x03) +#define STATUS_PACKETS_OTHER(n) (((n) >> 8) & 0x03) #define STATUS_CONN_THIS (1 << 6) #define STATUS_SUSPEND_THIS (1 << 5) #define STATUS_MAILBOX_THIS (1 << 4) -#define STATUS_PACKETS_THIS(n) (((n) >> 0) && 0x03) +#define STATUS_PACKETS_THIS(n) (((n) >> 0) & 0x03) #define STATUS_UNSPEC_MASK 0x0c8c #define STATUS_NOISE_MASK ((u16)~(0x0303|STATUS_UNSPEC_MASK)) diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c index 33abbd2..69eb0db 100644 --- a/drivers/usb/net/pegasus.c +++ b/drivers/usb/net/pegasus.c @@ -163,6 +163,7 @@ static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size, /* using ATOMIC, we'd never wake up if we slept */ if ((ret = usb_submit_urb(pegasus->ctrl_urb, GFP_ATOMIC))) { + set_current_state(TASK_RUNNING); if (ret == -ENODEV) netif_device_detach(pegasus->net); if (netif_msg_drv(pegasus)) diff --git a/drivers/usb/net/usbnet.c b/drivers/usb/net/usbnet.c index 760b532..7672e11 100644 --- a/drivers/usb/net/usbnet.c +++ b/drivers/usb/net/usbnet.c @@ -116,7 +116,7 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf) e = alt->endpoint + ep; switch (e->desc.bmAttributes) { case USB_ENDPOINT_XFER_INT: - if (!(e->desc.bEndpointAddress & USB_DIR_IN)) + if (!usb_endpoint_dir_in(&e->desc)) continue; intr = 1; /* FALLTHROUGH */ @@ -125,7 +125,7 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf) default: continue; } - if (e->desc.bEndpointAddress & USB_DIR_IN) { + if (usb_endpoint_dir_in(&e->desc)) { if (!intr && !in) in = e; else if (intr && !status) diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index 2a8dd4c..2f4d303 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -554,6 +554,17 @@ config USB_SERIAL_OMNINET To compile this driver as a module, choose M here: the module will be called omninet. +config USB_SERIAL_DEBUG + tristate "USB Debugging Device" + depends on USB_SERIAL + help + Say Y here if you have a USB debugging device used to recieve + debugging data from another machine. The most common of these + devices is the NetChip TurboCONNECT device. + + To compile this driver as a module, choose M here: the + module will be called usb-debug. + config USB_EZUSB bool depends on USB_SERIAL_KEYSPAN_PDA || USB_SERIAL_XIRCOM || USB_SERIAL_KEYSPAN || USB_SERIAL_WHITEHEAT diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index a5047dc..61166ad 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_USB_SERIAL_BELKIN) += belkin_sa.o obj-$(CONFIG_USB_SERIAL_CP2101) += cp2101.o obj-$(CONFIG_USB_SERIAL_CYBERJACK) += cyberjack.o obj-$(CONFIG_USB_SERIAL_CYPRESS_M8) += cypress_m8.o +obj-$(CONFIG_USB_SERIAL_DEBUG) += usb_debug.o obj-$(CONFIG_USB_SERIAL_DIGI_ACCELEPORT) += digi_acceleport.o obj-$(CONFIG_USB_SERIAL_EDGEPORT) += io_edgeport.o obj-$(CONFIG_USB_SERIAL_EDGEPORT_TI) += io_ti.o diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index 8122755..b1b5707 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -270,8 +270,11 @@ static void aircable_read(void *params) */ tty = port->tty; - if (!tty) + if (!tty) { schedule_work(&priv->rx_work); + err("%s - No tty available", __FUNCTION__); + return ; + } count = min(64, serial_buf_data_avail(priv->rx_buf)); @@ -305,9 +308,7 @@ static int aircable_probe(struct usb_serial *serial, for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) { endpoint = &iface_desc->endpoint[i].desc; - if (((endpoint->bEndpointAddress & 0x80) == 0x00) && - ((endpoint->bmAttributes & 3) == 0x02)) { - /* we found our bulk out endpoint */ + if (usb_endpoint_is_bulk_out(endpoint)) { dbg("found bulk out on endpoint %d", i); ++num_bulk_out; } diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c index 7f5d546..96c7372 100644 --- a/drivers/usb/serial/airprime.c +++ b/drivers/usb/serial/airprime.c @@ -19,6 +19,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0x0c88, 0x17da) }, /* Kyocera Wireless KPC650/Passport */ { USB_DEVICE(0x1410, 0x1110) }, /* Novatel Wireless Merlin CDMA */ + { USB_DEVICE(0x1410, 0x1430) }, /* Novatel Merlin XU870 HSDPA/3G */ { USB_DEVICE(0x1410, 0x1100) }, /* ExpressCard34 Qualcomm 3G CDMA */ { }, }; diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index ca52f12..863966c 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -85,10 +85,9 @@ static int ark3116_attach(struct usb_serial *serial) int i; for (i = 0; i < serial->num_ports; ++i) { - priv = kmalloc(sizeof (struct ark3116_private), GFP_KERNEL); + priv = kzalloc(sizeof(struct ark3116_private), GFP_KERNEL); if (!priv) goto cleanup; - memset(priv, 0x00, sizeof (struct ark3116_private)); spin_lock_init(&priv->lock); usb_set_serial_port_data(serial->port[i], priv); diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 3a9073d..7167728 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -166,19 +166,17 @@ static int usb_console_setup(struct console *co, char *options) if (serial->type->set_termios) { /* build up a fake tty structure so that the open call has something * to look at to get the cflag value */ - tty = kmalloc (sizeof (*tty), GFP_KERNEL); + tty = kzalloc(sizeof(*tty), GFP_KERNEL); if (!tty) { err ("no more memory"); return -ENOMEM; } - termios = kmalloc (sizeof (*termios), GFP_KERNEL); + termios = kzalloc(sizeof(*termios), GFP_KERNEL); if (!termios) { err ("no more memory"); kfree (tty); return -ENOMEM; } - memset (tty, 0x00, sizeof(*tty)); - memset (termios, 0x00, sizeof(*termios)); termios->c_cflag = cflag; tty->termios = termios; port->tty = tty; diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index f2e89a0..093f303 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -1684,15 +1684,14 @@ static int __init cypress_init(void) info(DRIVER_DESC " " DRIVER_VERSION); return 0; + failed_usb_register: - usb_deregister(&cypress_driver); -failed_ca42v2_register: usb_serial_deregister(&cypress_ca42v2_device); -failed_hidcom_register: +failed_ca42v2_register: usb_serial_deregister(&cypress_hidcom_device); -failed_em_register: +failed_hidcom_register: usb_serial_deregister(&cypress_earthmate_device); - +failed_em_register: return retval; } diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c index 5169c2d..97ee718 100644 --- a/drivers/usb/serial/ezusb.c +++ b/drivers/usb/serial/ezusb.c @@ -31,12 +31,11 @@ int ezusb_writememory (struct usb_serial *serial, int address, unsigned char *da return -ENODEV; } - transfer_buffer = kmalloc (length, GFP_KERNEL); + transfer_buffer = kmemdup(data, length, GFP_KERNEL); if (!transfer_buffer) { dev_err(&serial->dev->dev, "%s - kmalloc(%d) failed.\n", __FUNCTION__, length); return -ENOMEM; } - memcpy (transfer_buffer, data, length); result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), bRequest, 0x40, address, 0, transfer_buffer, length, 3000); kfree (transfer_buffer); return result; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index c186b4e..89ce277 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1388,8 +1388,7 @@ static void ftdi_close (struct usb_serial_port *port, struct file *filp) flush_scheduled_work(); /* shutdown our bulk read */ - if (port->read_urb) - usb_kill_urb(port->read_urb); + usb_kill_urb(port->read_urb); } /* ftdi_close */ diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 4543152..6530d39 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -1523,12 +1523,11 @@ static int garmin_attach (struct usb_serial *serial) dbg("%s", __FUNCTION__); - garmin_data_p = kmalloc (sizeof(struct garmin_data), GFP_KERNEL); + garmin_data_p = kzalloc(sizeof(struct garmin_data), GFP_KERNEL); if (garmin_data_p == NULL) { dev_err(&port->dev, "%s - Out of memory\n", __FUNCTION__); return -ENOMEM; } - memset (garmin_data_p, 0, sizeof(struct garmin_data)); init_timer(&garmin_data_p->timer); spin_lock_init(&garmin_data_p->lock); INIT_LIST_HEAD(&garmin_data_p->pktlist); diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index 91bd301..d06547a 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -1038,9 +1038,7 @@ static void edge_close (struct usb_serial_port *port, struct file * filp) edge_port->open = FALSE; edge_port->openPending = FALSE; - if (edge_port->write_urb) { - usb_kill_urb(edge_port->write_urb); - } + usb_kill_urb(edge_port->write_urb); if (edge_port->write_urb) { /* if this urb had a transfer buffer already (old transfer) free it */ diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 2a4bb66..d3b9a35 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -206,10 +206,9 @@ static int ipw_open(struct usb_serial_port *port, struct file *filp) dbg("%s", __FUNCTION__); - buf_flow_init = kmalloc(16, GFP_KERNEL); + buf_flow_init = kmemdup(buf_flow_static, 16, GFP_KERNEL); if (!buf_flow_init) return -ENOMEM; - memcpy(buf_flow_init, buf_flow_static, 16); if (port->tty) port->tty->low_latency = 1; diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 53be824..7639652 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -2306,22 +2306,16 @@ static void keyspan_shutdown (struct usb_serial *serial) } /* Now free them */ - if (s_priv->instat_urb) - usb_free_urb(s_priv->instat_urb); - if (s_priv->glocont_urb) - usb_free_urb(s_priv->glocont_urb); + usb_free_urb(s_priv->instat_urb); + usb_free_urb(s_priv->glocont_urb); for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; p_priv = usb_get_serial_port_data(port); - if (p_priv->inack_urb) - usb_free_urb(p_priv->inack_urb); - if (p_priv->outcont_urb) - usb_free_urb(p_priv->outcont_urb); + usb_free_urb(p_priv->inack_urb); + usb_free_urb(p_priv->outcont_urb); for (j = 0; j < 2; j++) { - if (p_priv->in_urbs[j]) - usb_free_urb(p_priv->in_urbs[j]); - if (p_priv->out_urbs[j]) - usb_free_urb(p_priv->out_urbs[j]); + usb_free_urb(p_priv->in_urbs[j]); + usb_free_urb(p_priv->out_urbs[j]); } } diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index ff03331..2372899 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -185,13 +185,11 @@ static int kobil_startup (struct usb_serial *serial) for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { endpoint = &altsetting->endpoint[i]; - if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) && - ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) { + if (usb_endpoint_is_int_out(&endpoint->desc)) { dbg("%s Found interrupt out endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress); priv->write_int_endpoint_address = endpoint->desc.bEndpointAddress; } - if (((endpoint->desc.bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) && - ((endpoint->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) { + if (usb_endpoint_is_int_in(&endpoint->desc)) { dbg("%s Found interrupt in endpoint. Address: %d", __FUNCTION__, endpoint->desc.bEndpointAddress); priv->read_int_endpoint_address = endpoint->desc.bEndpointAddress; } @@ -355,8 +353,7 @@ static void kobil_close (struct usb_serial_port *port, struct file *filp) usb_free_urb( port->write_urb ); port->write_urb = NULL; } - if (port->interrupt_in_urb) - usb_kill_urb(port->interrupt_in_urb); + usb_kill_urb(port->interrupt_in_urb); } diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index b7582cc..a906e50 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -358,10 +358,8 @@ static int mct_u232_startup (struct usb_serial *serial) /* Puh, that's dirty */ port = serial->port[0]; rport = serial->port[1]; - if (port->read_urb) { - /* No unlinking, it wasn't submitted yet. */ - usb_free_urb(port->read_urb); - } + /* No unlinking, it wasn't submitted yet. */ + usb_free_urb(port->read_urb); port->read_urb = rport->interrupt_in_urb; rport->interrupt_in_urb = NULL; port->read_urb->context = port; diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 5b71962..02c89e1 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -2596,12 +2596,11 @@ static int mos7840_startup(struct usb_serial *serial) /* set up port private structures */ for (i = 0; i < serial->num_ports; ++i) { - mos7840_port = kmalloc(sizeof(struct moschip_port), GFP_KERNEL); + mos7840_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL); if (mos7840_port == NULL) { err("%s - Out of memory", __FUNCTION__); return -ENOMEM; } - memset(mos7840_port, 0, sizeof(struct moschip_port)); /* Initialize all port interrupt end point to port 0 int endpoint * * Our device has only one interrupt end point comman to all port */ diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c index 0610409..054abee 100644 --- a/drivers/usb/serial/navman.c +++ b/drivers/usb/serial/navman.c @@ -95,8 +95,7 @@ static void navman_close(struct usb_serial_port *port, struct file *filp) { dbg("%s - port %d", __FUNCTION__, port->number); - if (port->interrupt_in_urb) - usb_kill_urb(port->interrupt_in_urb); + usb_kill_urb(port->interrupt_in_urb); } static int navman_write(struct usb_serial_port *port, diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 07400c0..ae98d8c 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -228,6 +228,7 @@ static int product_5052_count; /* null entry */ static struct usb_device_id ti_id_table_3410[1+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, + { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, }; static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = { @@ -239,6 +240,7 @@ static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = { static struct usb_device_id ti_id_table_combined[] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, + { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_BOOT_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) }, @@ -459,13 +461,12 @@ static int ti_startup(struct usb_serial *serial) /* set up port structures */ for (i = 0; i < serial->num_ports; ++i) { - tport = kmalloc(sizeof(struct ti_port), GFP_KERNEL); + tport = kzalloc(sizeof(struct ti_port), GFP_KERNEL); if (tport == NULL) { dev_err(&dev->dev, "%s - out of memory\n", __FUNCTION__); status = -ENOMEM; goto free_tports; } - memset(tport, 0, sizeof(struct ti_port)); spin_lock_init(&tport->tp_lock); tport->tp_uart_base_addr = (i == 0 ? TI_UART1_BASE_ADDR : TI_UART2_BASE_ADDR); tport->tp_flags = low_latency ? ASYNC_LOW_LATENCY : 0; diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h index 02c1aeb..b5541bf 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.h +++ b/drivers/usb/serial/ti_usb_3410_5052.h @@ -28,6 +28,7 @@ /* Vendor and product ids */ #define TI_VENDOR_ID 0x0451 #define TI_3410_PRODUCT_ID 0x3410 +#define TI_3410_EZ430_ID 0xF430 /* TI ez430 development tool */ #define TI_5052_BOOT_PRODUCT_ID 0x5052 /* no EEPROM, no firmware */ #define TI_5152_BOOT_PRODUCT_ID 0x5152 /* no EEPROM, no firmware */ #define TI_5052_EEPROM_PRODUCT_ID 0x505A /* EEPROM, no firmware */ diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 8006e51..c1257d5 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -952,32 +952,28 @@ probe_error: port = serial->port[i]; if (!port) continue; - if (port->read_urb) - usb_free_urb (port->read_urb); + usb_free_urb(port->read_urb); kfree(port->bulk_in_buffer); } for (i = 0; i < num_bulk_out; ++i) { port = serial->port[i]; if (!port) continue; - if (port->write_urb) - usb_free_urb (port->write_urb); + usb_free_urb(port->write_urb); kfree(port->bulk_out_buffer); } for (i = 0; i < num_interrupt_in; ++i) { port = serial->port[i]; if (!port) continue; - if (port->interrupt_in_urb) - usb_free_urb (port->interrupt_in_urb); + usb_free_urb(port->interrupt_in_urb); kfree(port->interrupt_in_buffer); } for (i = 0; i < num_interrupt_out; ++i) { port = serial->port[i]; if (!port) continue; - if (port->interrupt_out_urb) - usb_free_urb (port->interrupt_out_urb); + usb_free_urb(port->interrupt_out_urb); kfree(port->interrupt_out_buffer); } diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c new file mode 100644 index 0000000..257a5e4 --- /dev/null +++ b/drivers/usb/serial/usb_debug.c @@ -0,0 +1,65 @@ +/* + * USB Debug cable driver + * + * Copyright (C) 2006 Greg Kroah-Hartman <greg@kroah.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/tty.h> +#include <linux/module.h> +#include <linux/usb.h> +#include <linux/usb/serial.h> + +static struct usb_device_id id_table [] = { + { USB_DEVICE(0x0525, 0x127a) }, + { }, +}; +MODULE_DEVICE_TABLE(usb, id_table); + +static struct usb_driver debug_driver = { + .name = "debug", + .probe = usb_serial_probe, + .disconnect = usb_serial_disconnect, + .id_table = id_table, + .no_dynamic_id = 1, +}; + +static struct usb_serial_driver debug_device = { + .driver = { + .owner = THIS_MODULE, + .name = "debug", + }, + .id_table = id_table, + .num_interrupt_in = NUM_DONT_CARE, + .num_bulk_in = NUM_DONT_CARE, + .num_bulk_out = NUM_DONT_CARE, + .num_ports = 1, +}; + +static int __init debug_init(void) +{ + int retval; + + retval = usb_serial_register(&debug_device); + if (retval) + return retval; + retval = usb_register(&debug_driver); + if (retval) + usb_serial_deregister(&debug_device); + return retval; +} + +static void __exit debug_exit(void) +{ + usb_deregister(&debug_driver); + usb_serial_deregister(&debug_device); +} + +module_init(debug_init); +module_exit(debug_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index befe2e1..eef5eaa 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -348,8 +348,7 @@ static void visor_close (struct usb_serial_port *port, struct file * filp) /* shutdown our urbs */ usb_kill_urb(port->read_urb); - if (port->interrupt_in_urb) - usb_kill_urb(port->interrupt_in_urb); + usb_kill_urb(port->interrupt_in_urb); /* Try to send shutdown message, if the device is gone, this will just fail. */ transfer_buffer = kmalloc (0x12, GFP_KERNEL); diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c index 3baf448..3a158d5 100644 --- a/drivers/usb/storage/onetouch.c +++ b/drivers/usb/storage/onetouch.c @@ -142,10 +142,7 @@ int onetouch_connect_input(struct us_data *ss) return -ENODEV; endpoint = &interface->endpoint[2].desc; - if (!(endpoint->bEndpointAddress & USB_DIR_IN)) - return -ENODEV; - if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_is_int_in(endpoint)) return -ENODEV; pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress); diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index efb047f..db8b260 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1318,6 +1318,16 @@ UNUSUAL_DEV( 0x1019, 0x0c55, 0x0000, 0x0110, US_SC_DEVICE, US_PR_DEVICE, usb_stor_ucr61s2b_init, 0 ), +/* Reported by Jaco Kroon <jaco@kroon.co.za> + * The usb-storage module found on the Digitech GNX4 (and supposedly other + * devices) misbehaves and causes a bunch of invalid I/O errors. + */ +UNUSUAL_DEV( 0x1210, 0x0003, 0x0100, 0x0100, + "Digitech HMG", + "DigiTech Mass Storage", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_IGNORE_RESIDUE ), + /* Reported by Vilius Bilinkevicius <vilisas AT xxx DOT lt) */ UNUSUAL_DEV( 0x132b, 0x000b, 0x0001, 0x0001, "Minolta", diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index b8d6031..b401084 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -740,18 +740,16 @@ static int get_pipes(struct us_data *us) ep = &altsetting->endpoint[i].desc; /* Is it a BULK endpoint? */ - if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_BULK) { + if (usb_endpoint_xfer_bulk(ep)) { /* BULK in or out? */ - if (ep->bEndpointAddress & USB_DIR_IN) + if (usb_endpoint_dir_in(ep)) ep_in = ep; else ep_out = ep; } /* Is it an interrupt endpoint? */ - else if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) - == USB_ENDPOINT_XFER_INT) { + else if (usb_endpoint_xfer_int(ep)) { ep_int = ep; } } diff --git a/include/linux/usb.h b/include/linux/usb.h index 5482bfb..0cd73ed 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -313,8 +313,13 @@ struct usb_bus { /* This is arbitrary. * From USB 2.0 spec Table 11-13, offset 7, a hub can * have up to 255 ports. The most yet reported is 10. + * + * Current Wireless USB host hardware (Intel i1480 for example) allows + * up to 22 devices to connect. Upcoming hardware might raise that + * limit. Because the arrays need to add a bit for hub status data, we + * do 31, so plus one evens out to four bytes. */ -#define USB_MAXCHILDREN (16) +#define USB_MAXCHILDREN (31) struct usb_tt; @@ -357,7 +362,8 @@ struct usb_device { u8 portnum; /* Parent port number (origin 1) */ u8 level; /* Number of USB hub ancestors */ - int have_langid; /* whether string_langid is valid */ + unsigned discon_suspended:1; /* Disconnected while suspended */ + unsigned have_langid:1; /* whether string_langid is valid */ int string_langid; /* language ID for strings */ /* static strings from the device */ @@ -410,14 +416,37 @@ extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id); /* USB autosuspend and autoresume */ #ifdef CONFIG_USB_SUSPEND +extern int usb_autopm_set_interface(struct usb_interface *intf); extern int usb_autopm_get_interface(struct usb_interface *intf); extern void usb_autopm_put_interface(struct usb_interface *intf); +static inline void usb_autopm_enable(struct usb_interface *intf) +{ + intf->pm_usage_cnt = 0; + usb_autopm_set_interface(intf); +} + +static inline void usb_autopm_disable(struct usb_interface *intf) +{ + intf->pm_usage_cnt = 1; + usb_autopm_set_interface(intf); +} + #else -#define usb_autopm_get_interface(intf) 0 -#define usb_autopm_put_interface(intf) do {} while (0) -#endif +static inline int usb_autopm_set_interface(struct usb_interface *intf) +{ return 0; } + +static inline int usb_autopm_get_interface(struct usb_interface *intf) +{ return 0; } + +static inline void usb_autopm_put_interface(struct usb_interface *intf) +{ } +static inline void usb_autopm_enable(struct usb_interface *intf) +{ } +static inline void usb_autopm_disable(struct usb_interface *intf) +{ } +#endif /*-------------------------------------------------------------------------*/ @@ -490,17 +519,137 @@ static inline int usb_make_path (struct usb_device *dev, char *buf, /*-------------------------------------------------------------------------*/ -extern int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd); -extern int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd); +/** + * usb_endpoint_dir_in - check if the endpoint has IN direction + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type IN, otherwise it returns false. + */ +static inline int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN); +} + +/** + * usb_endpoint_dir_out - check if the endpoint has OUT direction + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type OUT, otherwise it returns false. + */ +static inline int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT); +} + +/** + * usb_endpoint_xfer_bulk - check if the endpoint has bulk transfer type + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type bulk, otherwise it returns false. + */ +static inline int usb_endpoint_xfer_bulk(const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_BULK); +} + +/** + * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type interrupt, otherwise it returns + * false. + */ +static inline int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_INT); +} + +/** + * usb_endpoint_xfer_isoc - check if the endpoint has isochronous transfer type + * @epd: endpoint to be checked + * + * Returns true if the endpoint is of type isochronous, otherwise it returns + * false. + */ +static inline int usb_endpoint_xfer_isoc(const struct usb_endpoint_descriptor *epd) +{ + return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_ISOC); +} + +/** + * usb_endpoint_is_bulk_in - check if the endpoint is bulk IN + * @epd: endpoint to be checked + * + * Returns true if the endpoint has bulk transfer type and IN direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_bulk_in(const struct usb_endpoint_descriptor *epd) +{ + return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_in(epd)); +} + +/** + * usb_endpoint_is_bulk_out - check if the endpoint is bulk OUT + * @epd: endpoint to be checked + * + * Returns true if the endpoint has bulk transfer type and OUT direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_bulk_out(const struct usb_endpoint_descriptor *epd) +{ + return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_out(epd)); +} + +/** + * usb_endpoint_is_int_in - check if the endpoint is interrupt IN + * @epd: endpoint to be checked + * + * Returns true if the endpoint has interrupt transfer type and IN direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd) +{ + return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd)); +} + +/** + * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT + * @epd: endpoint to be checked + * + * Returns true if the endpoint has interrupt transfer type and OUT direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd) +{ + return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd)); +} + +/** + * usb_endpoint_is_isoc_in - check if the endpoint is isochronous IN + * @epd: endpoint to be checked + * + * Returns true if the endpoint has isochronous transfer type and IN direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_isoc_in(const struct usb_endpoint_descriptor *epd) +{ + return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_in(epd)); +} + +/** + * usb_endpoint_is_isoc_out - check if the endpoint is isochronous OUT + * @epd: endpoint to be checked + * + * Returns true if the endpoint has isochronous transfer type and OUT direction, + * otherwise it returns false. + */ +static inline int usb_endpoint_is_isoc_out(const struct usb_endpoint_descriptor *epd) +{ + return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd)); +} /*-------------------------------------------------------------------------*/ diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c index b7c5e59..24f5a26 100644 --- a/sound/usb/usbmidi.c +++ b/sound/usb/usbmidi.c @@ -981,7 +981,7 @@ void snd_usbmidi_disconnect(struct list_head* p) if (umidi->usb_protocol_ops->finish_out_endpoint) umidi->usb_protocol_ops->finish_out_endpoint(ep->out); } - if (ep->in && ep->in->urb) + if (ep->in) usb_kill_urb(ep->in->urb); } } diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 1024c17..e74eb1b 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -1620,8 +1620,7 @@ static void snd_usb_mixer_free(struct usb_mixer_interface *mixer) kfree(mixer->urb->transfer_buffer); usb_free_urb(mixer->urb); } - if (mixer->rc_urb) - usb_free_urb(mixer->rc_urb); + usb_free_urb(mixer->rc_urb); kfree(mixer->rc_setup_packet); kfree(mixer); } @@ -2056,8 +2055,6 @@ void snd_usb_mixer_disconnect(struct list_head *p) struct usb_mixer_interface *mixer; mixer = list_entry(p, struct usb_mixer_interface, list); - if (mixer->urb) - usb_kill_urb(mixer->urb); - if (mixer->rc_urb) - usb_kill_urb(mixer->rc_urb); + usb_kill_urb(mixer->urb); + usb_kill_urb(mixer->rc_urb); } |
