Change in coreboot[master]: libpayload/xhci: Check noop return code when debugging

[Raul Rangel (Code Review)]

Raul Rangel has uploaded this change for review. ( https://review.coreboot.org/27478

Change subject: libpayload/xhci: Check noop return code when debugging
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libpayload/xhci: Check noop return code when debugging

We don't want to silently continue when the command ring is broken.

BUG=b:76831439
TEST=Verified on grunt

Change-Id: Ifa0b2fb087f5f0a36ba017a774fc98b33ab035a4
Signed-off-by: Raul E Rangel 
---
M payloads/libpayload/drivers/usb/xhci.c
1 file changed, 6 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/78/27478/1

diff --git a/payloads/libpayload/drivers/usb/xhci.c b/payloads/libpayload/drivers/usb/xhci.c
index 2e70316..a3bf182 100644
--- a/payloads/libpayload/drivers/usb/xhci.c
+++ b/payloads/libpayload/drivers/usb/xhci.c
@@ -403,9 +403,12 @@
    	xhci_post_command(xhci);

/* Wait for result in event ring */
-		xhci_wait_for_command_done(xhci, cmd, 1);
-		xhci_debug("Command ring is %srunning\n",
-			   (xhci->opreg->crcr_lo & CRCR_CRR) ? "" : "not ");
+		int cc = xhci_wait_for_command_done(xhci, cmd, 1);
+
+		xhci_debug("Command ring is %srunning: cc: %d\n",
+			   (xhci->opreg->crcr_lo & CRCR_CRR) ? "" : "not ", cc);
+		if (cc != CC_SUCCESS)
+			fatal("noop command failed.\n");
    }
 #endif
 }