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PM / devfreq: rockchip_dmc: Don't do suspend and resume when devfreq is null

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Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Change-Id: I2d1c87024507ae1670f1e5eae8c4c3872e1a3f91
This commit is contained in:
Finley Xiao
2023-03-03 14:54:36 +08:00
committed by Tao Huang
parent 58d460fe45
commit affd6e891b
1 changed files with 13 additions and 8 deletions
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21
drivers/devfreq/rockchip_dmc.c
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@@ -3362,10 +3362,12 @@ static __maybe_unused int rockchip_dmcfreq_suspend(struct device *dev)
if (ret)
return ret;
ret = devfreq_suspend_device(dmcfreq->info.devfreq);
if (ret < 0) {
dev_err(dev, "failed to suspend the devfreq devices\n");
return ret;
if (dmcfreq->info.devfreq) {
ret = devfreq_suspend_device(dmcfreq->info.devfreq);
if (ret < 0) {
dev_err(dev, "failed to suspend the devfreq devices\n");
return ret;
}
}
/* set voltage to sleep_volt if need */
@@ -3425,11 +3427,14 @@ static __maybe_unused int rockchip_dmcfreq_resume(struct device *dev)
if (ret)
return ret;
ret = devfreq_resume_device(dmcfreq->info.devfreq);
if (ret < 0) {
dev_err(dev, "failed to resume the devfreq devices\n");
return ret;
if (dmcfreq->info.devfreq) {
ret = devfreq_resume_device(dmcfreq->info.devfreq);
if (ret < 0) {
dev_err(dev, "failed to resume the devfreq devices\n");
return ret;
}
}
return ret;
}