Message ID | 20190822093218.26014-1-steven.price@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/panfrost: Add missing check for pfdev->regulator | expand |
On 23/08/2019 02:52, Rob Herring wrote: > On Thu, Aug 22, 2019 at 4:32 AM Steven Price <steven.price@arm.com> wrote: >> >> 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: e21dd290881b ("drm/panfrost: Enable devfreq to work without regulator") >> Signed-off-by: Steven Price <steven.price@arm.com> >> --- >> drivers/gpu/drm/panfrost/panfrost_devfreq.c | 6 ++++-- >> 1 file changed, 4 insertions(+), 2 deletions(-) > > Looks fine to me, but seems to be delayed getting to the list and > patchwork. I'm guessing you're not subscribed to dri-devel because all > your patches seem to get delayed. Ah, yes I'm subscribed with a different email address - hopefully now also subscribed with my @arm.com one. Steve
diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c index 710d903f8e0d..a1f5fa6a742a 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c @@ -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; }
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: e21dd290881b ("drm/panfrost: Enable devfreq to work without regulator") Signed-off-by: Steven Price <steven.price@arm.com> --- drivers/gpu/drm/panfrost/panfrost_devfreq.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)