Messages in this thread Patch in this message | | | From | Martin Kepplinger <> | Subject | [PATCH v2] soc: imx: gpcv2: print errno for regulator errors | Date | Thu, 9 Jun 2022 13:17:07 +0200 |
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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> ---
revision history ---------------- v2: (thank you Ahmad) * use %pe format * sent out a bit early because it's pretty obvious v1: https://lore.kernel.org/linux-arm-kernel/64828809-1eb7-dff3-da57-95b545aefc22@pengutronix.de/T/#t
drivers/soc/imx/gpcv2.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c index 85aa86e1338a..6383a4edc360 100644 --- a/drivers/soc/imx/gpcv2.c +++ b/drivers/soc/imx/gpcv2.c @@ -328,7 +328,9 @@ static int imx_pgc_power_up(struct generic_pm_domain *genpd) if (!IS_ERR(domain->regulator)) { ret = regulator_enable(domain->regulator); 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; } } @@ -467,7 +469,9 @@ static int imx_pgc_power_down(struct generic_pm_domain *genpd) if (!IS_ERR(domain->regulator)) { ret = regulator_disable(domain->regulator); 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; } } -- 2.30.2
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