drm/panfrost: Remove NULL check for regulator

devm_regulator_get() is used to populate pfdev->regulator which ensures
that this cannot be NULL (a dummy regulator will be returned if
necessary). So remove the check in panfrost_devfreq_target().

Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191004144413.42586-1-steven.price@arm.com

diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
index c1eb8cf..12ff77d 100644 (file)
--- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c
+++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c
@@ -53,10 +53,8 @@ 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);
-               if (pfdev->regulator)
-                       regulator_set_voltage(pfdev->regulator,
-                                             pfdev->devfreq.cur_volt,
-                                             pfdev->devfreq.cur_volt);
+               regulator_set_voltage(pfdev->regulator, pfdev->devfreq.cur_volt,
+                                     pfdev->devfreq.cur_volt);
                return err;
        }