xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

usb: musb: make use of new usb_endpoint_maxp_mult()

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

Cc: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi
2016-09-28 13:40:40 +03:00
parent 131e19b9e3
commit 6ddcabc2aa
2 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/usb/musb/musb_gadget.c
View File

@@ -974,8 +974,8 @@ static int musb_gadget_enable(struct usb_ep *ep,
goto fail;
/* REVISIT this rules out high bandwidth periodic transfers */
tmp = usb_endpoint_maxp(desc);
if (tmp & ~0x07ff) {
tmp = usb_endpoint_maxp_mult(desc) - 1;
if (tmp) {
int ok;
if (usb_endpoint_dir_in(desc))
@@ -987,12 +987,12 @@ static int musb_gadget_enable(struct usb_ep *ep,
musb_dbg(musb, "no support for high bandwidth ISO");
goto fail;
}
musb_ep->hb_mult = (tmp >> 11) & 3;
musb_ep->hb_mult = tmp;
} else {
musb_ep->hb_mult = 0;
}
musb_ep->packet_sz = tmp & 0x7ff;
musb_ep->packet_sz = usb_endpoint_maxp(desc);
tmp = musb_ep->packet_sz * (musb_ep->hb_mult + 1);
/* enable the interrupts for the endpoint, set the endpoint