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Commit 7b1fc2ea authored by Andiry Xu's avatar Andiry Xu Committed by Sarah Sharp
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xHCI 1.0: Isoch endpoint CErr field set 



xHCI 1.0 specification specifies that CErr does not apply to Isoch endpoints
and shall be set to '0' for Isoch endpoints.

Signed-off-by: default avatarAndiry Xu <andiry.xu@amd.com>
Signed-off-by: default avatarSarah Sharp <sarah.a.sharp@linux.intel.com>
parent 51eb01a7

drivers/usb/host/xhci-mem.c

+2 −2
Original line number Diff line number Diff line
@@ -1190,12 +1190,12 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, 
	/* FIXME dig Mult and streams info out of ep companion desc */



	/* Allow 3 retries for everything but isoc;

	 * error count = 0 means infinite retries.

	 * CErr shall be set to 0 for Isoch endpoints.

	 */

	if (!usb_endpoint_xfer_isoc(&ep->desc))

		ep_ctx->ep_info2 = cpu_to_le32(ERROR_COUNT(3));

	else

		ep_ctx->ep_info2 = cpu_to_le32(ERROR_COUNT(1));

		ep_ctx->ep_info2 = cpu_to_le32(ERROR_COUNT(0));



	ep_ctx->ep_info2 |= cpu_to_le32(xhci_get_endpoint_type(udev, ep));