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xHCI 1.0: Isoch endpoint CErr field set

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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: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Andiry Xu 2011-05-05 18:14:00 +08:00 committed by Sarah Sharp
parent 51eb01a746
commit 7b1fc2ea8a
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/host/xhci-mem.c
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@ -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));