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usb: dwc2: gadget: consider all tx fifos 

When matching tx fifo to endpoint, consider all fifos instead of
hard limiting to 8
Moreover, print error in case no fifo could be found.

Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Mian Yousaf Kaukab 2015-01-09 13:38:56 +01:00 committed by Felipe Balbi
parent 364f8e9338
commit 5f2196bd7c
1 changed files with 4 additions and 2 deletions
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6
drivers/usb/dwc2/gadget.c
View File

@ -2540,7 +2540,7 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep,
*/
if (dir_in && hsotg->dedicated_fifos) {
size = hs_ep->ep.maxpacket*hs_ep->mc;
for (i = 1; i <= 8; ++i) {
for (i = 1; i < hsotg->num_of_eps; ++i) {
if (hsotg->fifo_map & (1<<i))
continue;
val = readl(hsotg->regs + DPTXFSIZN(i));
@ -2554,7 +2554,9 @@ static int s3c_hsotg_ep_enable(struct usb_ep *ep,
hs_ep->fifo_size = val;
break;
}
if (i == 8) {
if (i == hsotg->num_of_eps) {
dev_err(hsotg->dev,
"%s: No suitable fifo found\n", __func__);
ret = -ENOMEM;
goto error;
}