This is a note to let you know that I've just added the patch titled
usb: dwc3: exynos fix axius clock error path to do cleanup
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-dwc3-exynos-fix-axius-clock-error-path-to-do-cleanup.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8ae584d1951f241efd45499f8774fd7066f22823 Mon Sep 17 00:00:00 2001
From: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
Date: Tue, 10 Jan 2017 16:05:28 -0700
Subject: usb: dwc3: exynos fix axius clock error path to do cleanup
From: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
commit 8ae584d1951f241efd45499f8774fd7066f22823 upstream.
Axius clock error path returns without disabling clock and suspend clock.
Fix it to disable them before returning error.
Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/dwc3-exynos.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -148,7 +148,8 @@ static int dwc3_exynos_probe(struct plat
exynos->axius_clk = devm_clk_get(dev, "usbdrd30_axius_clk");
if (IS_ERR(exynos->axius_clk)) {
dev_err(dev, "no AXI UpScaler clk specified\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto axius_clk_err;
}
clk_prepare_enable(exynos->axius_clk);
} else {
@@ -206,6 +207,7 @@ err3:
regulator_disable(exynos->vdd33);
err2:
clk_disable_unprepare(exynos->axius_clk);
+axius_clk_err:
clk_disable_unprepare(exynos->susp_clk);
clk_disable_unprepare(exynos->clk);
return ret;
Patches currently in stable-queue which might be from shuahkh@xxxxxxxxxxxxxxx are
queue-4.4/usb-dwc3-exynos-fix-axius-clock-error-path-to-do-cleanup.patch