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usb: core: devices: make use of new usb_endpoint_maxp_mult() 

We have introduced a helper to calculate multiplier
value from wMaxPacketSize. Start using it.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2016-09-28 13:27:55 +03:00
parent a98e25e71d
commit 91f97521bb
1 changed files with 2 additions and 8 deletions
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10
drivers/usb/core/devices.c
View File

@ -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)) {