diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0139-usb-dwc2-Avoid-suspending-if-we-re-in-gadget-mode-18.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.9/950-0139-usb-dwc2-Avoid-suspending-if-we-re-in-gadget-mode-18.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0139-usb-dwc2-Avoid-suspending-if-we-re-in-gadget-mode-18.patch b/target/linux/brcm2708/patches-4.9/950-0139-usb-dwc2-Avoid-suspending-if-we-re-in-gadget-mode-18.patch deleted file mode 100644 index 862f322e6d..0000000000 --- a/target/linux/brcm2708/patches-4.9/950-0139-usb-dwc2-Avoid-suspending-if-we-re-in-gadget-mode-18.patch +++ /dev/null @@ -1,51 +0,0 @@ -From 2ca9749f5b4326dad52756eaf5e7865504b4d374 Mon Sep 17 00:00:00 2001 -From: ED6E0F17 <edge@karikoa.net> -Date: Fri, 3 Feb 2017 14:52:42 +0000 -Subject: [PATCH] usb: dwc2: Avoid suspending if we're in gadget mode (#1825) - -I've found when booting HiKey with the usb gadget cable attached -if I then try to connect via adb, I get an infinite spew of: - -dwc2 f72c0000.usb: dwc2_hsotg_ep_sethalt(ep ffffffc0790ecb18 ep1out, 0) -dwc2 f72c0000.usb: dwc2_hsotg_ep_sethalt(ep ffffffc0790eca18 ep1in, 0) - -It seems that the usb autosuspend is suspending the bus shortly -after bootup when the gadget cable is attached. So when adbd -then tries to use the device, it doesn't work and it then tries -to restart it over and over via the ep_sethalt calls (via -FUNCTIONFS_CLEAR_HALT ioctl). - -Chen Yu suggested this patch to avoid suspending if we're -in device mode, and it avoids the problem. - -Cc: Wei Xu <xuwei5@hisilicon.com> -Cc: Guodong Xu <guodong.xu@linaro.org> -Cc: Amit Pundir <amit.pundir@linaro.org> -Cc: Rob Herring <robh+dt@kernel.org> -Cc: John Youn <johnyoun@synopsys.com> -Cc: Douglas Anderson <dianders@chromium.org> -Cc: Chen Yu <chenyu56@huawei.com> -Cc: Kishon Vijay Abraham I <kishon@ti.com> -Cc: Felipe Balbi <felipe.balbi@linux.intel.com> -Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -Cc: linux-usb@vger.kernel.org -Suggested-by: Chen Yu <chenyu56@huawei.com> -Signed-off-by: John Stultz <john.stultz@linaro.org> -Signed-off-by: John Youn <johnyoun@synopsys.com> -Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> ---- - drivers/usb/dwc2/hcd.c | 3 +++ - 1 file changed, 3 insertions(+) - ---- a/drivers/usb/dwc2/hcd.c -+++ b/drivers/usb/dwc2/hcd.c -@@ -4383,6 +4383,9 @@ static int _dwc2_hcd_suspend(struct usb_ - if (!HCD_HW_ACCESSIBLE(hcd)) - goto unlock; - -+ if (hsotg->op_state == OTG_STATE_B_PERIPHERAL) -+ goto unlock; -+ - if (!hsotg->core_params->hibernation) - goto skip_power_saving; - |