diff options
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/devices.c | 12 | ||||
| -rw-r--r-- | drivers/usb/core/endpoint.c | 3 | ||||
| -rw-r--r-- | drivers/usb/core/urb.c | 7 |
3 files changed, 6 insertions, 16 deletions
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index ef04b50e6bbb..f2987ddb1cde 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -182,14 +182,8 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end, dir = usb_endpoint_dir_in(desc) ? 'I' : 'O'; - if (speed == USB_SPEED_HIGH) { - switch (usb_endpoint_maxp(desc) & (0x03 << 11)) { - case 1 << 11: - bandwidth = 2; break; - case 2 << 11: - bandwidth = 3; break; - } - } + if (speed == USB_SPEED_HIGH) + bandwidth = usb_endpoint_maxp_mult(desc); /* this isn't checking for illegal values */ switch (usb_endpoint_type(desc)) { @@ -233,7 +227,7 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end, start += sprintf(start, format_endpt, desc->bEndpointAddress, dir, desc->bmAttributes, type, - (usb_endpoint_maxp(desc) & 0x07ff) * + usb_endpoint_maxp(desc) * bandwidth, interval, unit); return start; diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c index b73b25bd1541..a60bc830a056 100644 --- a/drivers/usb/core/endpoint.c +++ b/drivers/usb/core/endpoint.c @@ -52,8 +52,7 @@ static ssize_t wMaxPacketSize_show(struct device *dev, struct device_attribute *attr, char *buf) { struct ep_device *ep = to_ep_device(dev); - return sprintf(buf, "%04x\n", - usb_endpoint_maxp(ep->desc) & 0x07ff); + return sprintf(buf, "%04x\n", usb_endpoint_maxp(ep->desc)); } static DEVICE_ATTR_RO(wMaxPacketSize); diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 0be49a1e3e66..d75cb8c0f7df 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -412,11 +412,8 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) } /* "high bandwidth" mode, 1-3 packets/uframe? */ - if (dev->speed == USB_SPEED_HIGH) { - int mult = 1 + ((max >> 11) & 0x03); - max &= 0x07ff; - max *= mult; - } + if (dev->speed == USB_SPEED_HIGH) + max *= usb_endpoint_maxp_mult(&ep->desc); if (urb->number_of_packets <= 0) return -EINVAL; |