From: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Date: Mon, 27 Jul 2009 19:04:32 +0000 (-0700)
Subject: USB: xhci: Handle babble errors on transfers.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4a73143ced467868e92d7914d9f8bf797640927b;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

USB: xhci: Handle babble errors on transfers.

Pass back a babble error when this error code is seen in the transfer event TRB.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 1fc0decfa0a..0903e98989e 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -876,6 +876,10 @@ static int handle_tx_event(struct xhci_hcd *xhci,
 		xhci_warn(xhci, "WARN: transfer error on endpoint\n");
 		status = -EPROTO;
 		break;
+	case COMP_BABBLE:
+		xhci_warn(xhci, "WARN: babble error on endpoint\n");
+		status = -EOVERFLOW;
+		break;
 	case COMP_DB_ERR:
 		xhci_warn(xhci, "WARN: HC couldn't access mem fast enough\n");
 		status = -ENOSR;