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Commit 5f2196bd authored by Mian Yousaf Kaukab's avatar Mian Yousaf Kaukab Committed by Felipe Balbi
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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: default avatarRobert Baldyga <r.baldyga@samsung.com>
Acked-by: default avatarPaul Zimmerman <paulz@synopsys.com>
Signed-off-by: default avatarMian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 364f8e93

drivers/usb/dwc2/gadget.c

+4 −2
Original line number Diff line number Diff line
@@ -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;

		}