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regulator: fan53555: fix regulator resume error

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if the default voltage and the regulator on/off in suspend can't be
changed in runtime, the fan53555 not need the resume function.
fix regulator resume error as follows log:
[   12.726012] dpm_run_callback(): regulator_resume+0x0/0x68 returns -1
[   12.726041] PM: Device regulator.1 failed to resume: error -1
[   12.726623] dpm_run_callback(): regulator_resume+0x0/0x68 returns -1
[   12.726641] PM: Device regulator.2 failed to resume: error -1
[   12.727216] dpm_run_callback(): regulator_resume+0x0/0x68 returns -1
[   12.727246] PM: Device regulator.3 failed to resume: error -1
[   12.727826] dpm_run_callback(): regulator_resume+0x0/0x68 returns -1
[   12.727855] PM: Device regulator.4 failed to resume: error -1
[   12.728437] dpm_run_callback(): regulator_resume+0x0/0x68 returns -1
[   12.728467] PM: Device regulator.5 failed to resume: error -1
[   12.729045] dpm_run_callback(): regulator_resume+0x0/0x68 returns -1
[   12.729074] PM: Device regulator.6 failed to resume: error -1
[   12.729653] dpm_run_callback(): regulator_resume+0x0/0x68 returns -1
[   12.729683] PM: Device regulator.7 failed to resume: error -1
[   12.730195] dpm_run_callback(): regulator_resume+0x0/0x68 returns -1
[   12.730222] PM: Device regulator.8 failed to resume: error -1
[   12.730783] dpm_run_callback(): regulator_resume+0x0/0x68 returns -1
[   12.730812] PM: Device regulator.9 failed to resume: error -1

Fixes: af1b6e88fa ("regulator: fan53555: add fan53555 resume")
Change-Id: Iab3ef39e6bc218eab12430d43299f8e85d6e465e
Signed-off-by: shengfei Xu <xsf@rock-chips.com>
This commit is contained in:
shengfei Xu
2021-05-26 17:20:09 +08:00
committed by Tao Huang
parent dc69c8c782
commit 6aef0738cf
1 changed files with 3 additions and 0 deletions
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3
drivers/regulator/fan53555.c
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@@ -204,6 +204,9 @@ static int fan53555_resume(struct regulator_dev *rdev)
{
int ret;
if (!rdev->constraints->state_mem.changeable)
return 0;
ret = fan53555_set_suspend_enable(rdev);
if (ret)
return ret;