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soc: imx: gpcv2: print errno for regulator errors

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Make debugging of power management issues easier by printing the reason
why a regulator fails to be enabled or disabled.

Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Martin Kepplinger 2022-06-09 13:17:07 +02:00 committed by Shawn Guo
parent f2906aa863
commit 43b240d41b
1 changed files with 6 additions and 2 deletions
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8
drivers/soc/imx/gpcv2.c
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@ -328,7 +328,9 @@ static int imx_pgc_power_up(struct generic_pm_domain *genpd)
if (!IS_ERR(domain->regulator)) { if (!IS_ERR(domain->regulator)) {
ret = regulator_enable(domain->regulator); ret = regulator_enable(domain->regulator);
if (ret) { if (ret) {
dev_err(domain->dev, "failed to enable regulator\n"); dev_err(domain->dev,
"failed to enable regulator: %pe\n",
ERR_PTR(ret));
goto out_put_pm; goto out_put_pm;
} }
} }
@ -467,7 +469,9 @@ static int imx_pgc_power_down(struct generic_pm_domain *genpd)
if (!IS_ERR(domain->regulator)) { if (!IS_ERR(domain->regulator)) {
ret = regulator_disable(domain->regulator); ret = regulator_disable(domain->regulator);
if (ret) { if (ret) {
dev_err(domain->dev, "failed to disable regulator\n"); dev_err(domain->dev,
"failed to disable regulator: %pe\n",
ERR_PTR(ret));
return ret; return ret;
} }
} }