On Wed, Sep 28, 2016 at 04:05:25PM +0300, Felipe Balbi wrote:
> We have introduced a helper to calculate multiplier
> value from wMaxPacketSize. Start using it.
>
> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
> Cc: <linux-usb@vger.kernel.org>
> Signed-off-by: Felipe Balbi <felipe.ba...@linux.intel.com>
> ---
> drivers/usb/core/devices.c | 10 ++--------
> 1 file changed, 2 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
> index ef04b50e6bbb..00d1b26a81d3 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)) {
This is 0 based,
> - case 1 << 11:
> - bandwidth = 2; break;
> - case 2 << 11:
> - bandwidth = 3; break;
> - }
> - }
> + if (speed == USB_SPEED_HIGH)
> + bandwidth = usb_endpoint_maxp_mult(desc);
Now the new code makes it 1 based.
Regards,
-Bin.
>
> /* this isn't checking for illegal values */
> switch (usb_endpoint_type(desc)) {
> --
> 2.10.0.440.g21f862b
>
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