Skip to contentSkip to conversation

patch "usb: dwc3: gadget: return error if command sent to DEPCMD register" added to usb-next

PATCH [email protected] 1 participant 1 message Jun 2, 2015

Subsystems (3)
lore
Share & tools
lore

[email protected]

author maintainer Applied
#0 lore raw

This is a note to let you know that I've just added the patch titled

usb: dwc3: gadget: return error if command sent to DEPCMD register

to my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-next branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will also be merged in the next major kernel release during the merge window.

If you have any questions about this process, please let me know.

Quoted 1 line

From 76e838c9f7765f9a6205b4d558d75a66104bc60d Mon Sep 17 00:00:00 2001

From: Subbaraya Sundeep Bhatta <[email protected]>
Date: Thu, 21 May 2015 15:46:48 +0530
Subject: usb: dwc3: gadget: return error if command sent to DEPCMD register
fails

We need to return error to caller if command is not sent to controller succesfully.

Fixes 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver)
---
 drivers/usb/dwc3/gadget.c | 2 ++
 1 file changed, 2 insertions(+)
drivers/usb/dwc3/gadget.c +2 -0
index fcbe120ba8ce..55b5edc19119 100644
@@ -330,6 +330,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
 			dwc3_trace(trace_dwc3_gadget,
 					"Command Complete --> %d",
 					DWC3_DEPCMD_STATUS(reg));
+			if (DWC3_DEPCMD_STATUS(reg))
+				return -EINVAL;
 			return 0;
 		}
 
Signature · 1 line
2.4.2