[RFC 1/8] ARM: imx: gpc: Do not print error message for EPROBE_DEFER

Leonard Crestez
2017-03-22T17:13:28Z

The pu regulator request will return -EPROBE_DEFER if it has a supply
from PMIC and this supply is not yet registered. This does not represent
an error since the driver will call probe again later, so only print a
warning message in this case.

Signed-off-by: Irina Tirdea <irina.tirdea@nxp.com>
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
---
arch/arm/mach-imx/gpc.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index 1dc2a34..ce64d11 100644
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -466,7 +466,11 @@ static int imx_gpc_probe(struct platform_device *pdev)
pu_reg = NULL;
if (IS_ERR(pu_reg)) {
ret = PTR_ERR(pu_reg);
- dev_err(&pdev->dev, "failed to get pu regulator: %d\n", ret);
+ if (ret == -EPROBE_DEFER)
+ dev_dbg(&pdev->dev, "pu regulator not ready, retry\n");
+ else
+ dev_err(&pdev->dev, "failed to get pu regulator: %d\n",
+ ret);
return ret;
}

--
2.7.4