shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

drm/panfrost: Add missing check for pfdev->regulator

Browse Source 
[ Upstream commit 52282163df ]

When modifying panfrost_devfreq_target() to support a device without a
regulator defined I missed the check on the error path. Let's add it.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: e21dd29088 ("drm/panfrost: Enable devfreq to work without regulator")
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190822093218.26014-1-steven.price@arm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Steven Price
2019-08-22 10:32:18 +01:00
committed by Greg Kroah-Hartman
parent f88ed5cf0d
commit 9bd9e94fb9
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/panfrost/panfrost_devfreq.c
View File

@@ -53,8 +53,10 @@ static int panfrost_devfreq_target(struct device *dev, unsigned long *freq,
if (err) {
dev_err(dev, "Cannot set frequency %lu (%d)\n", target_rate,
err);
regulator_set_voltage(pfdev->regulator, pfdev->devfreq.cur_volt,
pfdev->devfreq.cur_volt);
if (pfdev->regulator)
regulator_set_voltage(pfdev->regulator,
pfdev->devfreq.cur_volt,
pfdev->devfreq.cur_volt);
return err;
}