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drm/panfrost: Remove NULL checks for regulator

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devm_regulator_get() is now used to populate pfdev->regulator which
ensures that this cannot be NULL (a dummy regulator will be returned if
necessary). So remove the checks 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/3e3a2c8a-b4fc-8af6-39e1-b26160db2c7c@arm.com
This commit is contained in:
Steven Price 2019-09-06 15:20:53 +01:00 committed by Rob Herring
parent edfa07504c
commit d18a966204
1 changed files with 4 additions and 6 deletions
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10
drivers/gpu/drm/panfrost/panfrost_devfreq.c
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@ -39,7 +39,7 @@ static int panfrost_devfreq_target(struct device *dev, unsigned long *freq,
* If frequency scaling from low to high, adjust voltage first.
* If frequency scaling from high to low, adjust frequency first.
*/
if (old_clk_rate < target_rate && pfdev->regulator) {
if (old_clk_rate < target_rate) {
err = regulator_set_voltage(pfdev->regulator, target_volt,
target_volt);
if (err) {
@ -53,14 +53,12 @@ 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;
}
if (old_clk_rate > target_rate && pfdev->regulator) {
if (old_clk_rate > target_rate) {
err = regulator_set_voltage(pfdev->regulator, target_volt,
target_volt);
if (err)