diff options
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/message.c | 4 | ||||
| -rw-r--r-- | drivers/usb/core/sysfs.c | 32 | ||||
| -rw-r--r-- | drivers/usb/core/urb.c | 6 |
3 files changed, 37 insertions, 5 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index e12c5be1e0a3..f50aaf25c98e 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -431,7 +431,7 @@ nomem: * (2) error, where io->status is a negative errno value. The number * of io->bytes transferred before the error is usually less * than requested, and can be nonzero. - * (3) cancelation, a type of error with status -ECONNRESET that + * (3) cancellation, a type of error with status -ECONNRESET that * is initiated by usb_sg_cancel(). * * When this function returns, all memory allocated through usb_sg_init() or @@ -1282,7 +1282,7 @@ static void release_interface(struct device *dev) * bus rwsem; usb device driver probe() methods cannot use this routine. * * Returns zero on success, or else the status code returned by the - * underlying call that failed. On succesful completion, each interface + * underlying call that failed. On successful completion, each interface * in the original device configuration has been destroyed, and each one * in the new configuration has been probed by all relevant usb device * drivers currently known to the kernel. diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index ec9b3bde8ae5..4d0c9e65cd03 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -286,6 +286,37 @@ static ssize_t show_interface_string(struct device *dev, char *buf) } static DEVICE_ATTR(interface, S_IRUGO, show_interface_string, NULL); +static ssize_t show_modalias(struct device *dev, char *buf) +{ + struct usb_interface *intf; + struct usb_device *udev; + int len; + + intf = to_usb_interface(dev); + udev = interface_to_usbdev(intf); + + len = sprintf(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02Xic", + le16_to_cpu(udev->descriptor.idVendor), + le16_to_cpu(udev->descriptor.idProduct), + le16_to_cpu(udev->descriptor.bcdDevice), + udev->descriptor.bDeviceClass, + udev->descriptor.bDeviceSubClass, + udev->descriptor.bDeviceProtocol); + buf += len; + + if (udev->descriptor.bDeviceClass == 0) { + struct usb_host_interface *alt = intf->cur_altsetting; + + return len + sprintf(buf, "%02Xisc%02Xip%02X\n", + alt->desc.bInterfaceClass, + alt->desc.bInterfaceSubClass, + alt->desc.bInterfaceProtocol); + } else { + return len + sprintf(buf, "*isc*ip*\n"); + } +} +static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL); + static struct attribute *intf_attrs[] = { &dev_attr_bInterfaceNumber.attr, &dev_attr_bAlternateSetting.attr, @@ -293,6 +324,7 @@ static struct attribute *intf_attrs[] = { &dev_attr_bInterfaceClass.attr, &dev_attr_bInterfaceSubClass.attr, &dev_attr_bInterfaceProtocol.attr, + &dev_attr_modalias.attr, NULL, }; static struct attribute_group intf_attr_grp = { diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 16972159a57a..0faf18d511de 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -121,7 +121,7 @@ struct urb * usb_get_urb(struct urb *urb) * describing that request to the USB subsystem. Request completion will * be indicated later, asynchronously, by calling the completion handler. * The three types of completion are success, error, and unlink - * (a software-induced fault, also called "request cancelation"). + * (a software-induced fault, also called "request cancellation"). * * URBs may be submitted in interrupt context. * @@ -170,7 +170,7 @@ struct urb * usb_get_urb(struct urb *urb) * As of Linux 2.6, all USB endpoint transfer queues support depths greater * than one. This was previously a HCD-specific behavior, except for ISO * transfers. Non-isochronous endpoint queues are inactive during cleanup - * after faults (transfer errors or cancelation). + * after faults (transfer errors or cancellation). * * Reserved Bandwidth Transfers: * @@ -395,7 +395,7 @@ int usb_submit_urb(struct urb *urb, int mem_flags) * * This routine cancels an in-progress request. URBs complete only * once per submission, and may be canceled only once per submission. - * Successful cancelation means the requests's completion handler will + * Successful cancellation means the requests's completion handler will * be called with a status code indicating that the request has been * canceled (rather than any other code) and will quickly be removed * from host controller data structures. |