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USB: fix formatting of SuperSpeed endpoints in /proc/bus/usb/devices

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commit 2868a2b1ba upstream.

Isochronous and interrupt SuperSpeed endpoints use the same mechanisms
for decoding bInterval values as HighSpeed ones so adjust the code
accordingly.

Also bandwidth reservation for SuperSpeed matches highspeed, not
low/full speed.

Signed-off-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dmitry Torokhov
2011-03-18 21:29:01 -07:00
committed by Greg Kroah-Hartman
parent a572af6883
commit b90adfeb12
1 changed files with 6 additions and 4 deletions
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10
drivers/usb/core/devices.c
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@@ -211,7 +211,7 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
break;
case USB_ENDPOINT_XFER_INT:
type = "Int.";
if (speed == USB_SPEED_HIGH)
if (speed == USB_SPEED_HIGH || speed == USB_SPEED_SUPER)
interval = 1 << (desc->bInterval - 1);
else
interval = desc->bInterval;
@@ -219,7 +219,8 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
default: /* "can't happen" */
return start;
}
interval *= (speed == USB_SPEED_HIGH) ? 125 : 1000;
interval *= (speed == USB_SPEED_HIGH ||
speed == USB_SPEED_SUPER) ? 125 : 1000;
if (interval % 1000)
unit = 'u';
else {
@@ -529,8 +530,9 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes,
if (level == 0) {
int max;
/* high speed reserves 80%, full/low reserves 90% */
if (usbdev->speed == USB_SPEED_HIGH)
/* super/high speed reserves 80%, full/low reserves 90% */
if (usbdev->speed == USB_SPEED_HIGH ||
usbdev->speed == USB_SPEED_SUPER)
max = 800;
else
max = FRAME_TIME_MAX_USECS_ALLOC;