From 43b240d41b5173eaebb825f19c423b4278435d2c Mon Sep 17 00:00:00 2001 From: Martin Kepplinger Date: Thu, 9 Jun 2022 13:17:07 +0200 Subject: [PATCH] soc: imx: gpcv2: print errno for regulator errors 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 Signed-off-by: Shawn Guo --- 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 85aa86e1338af..6383a4edc3607 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