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.
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@xxxxxxxxx>
---
drivers/usb/dwc2/gadget.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 4653dae..877dafc 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -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;
}
--
1.9.1
--
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