[PATCH 15/16] soc: imx: gpcv2: support reset defer probe

[Peng Fan (OSS)]

On 2021/4/29 22:30, Lucas Stach wrote:
> Am Donnerstag, dem 29.04.2021 um 15:30 +0800 schrieb Peng Fan (OSS):
>> From: Peng Fan <peng.fan at nxp.com>
>>
>> When gpcv2 probe, the reset controller might not be ready, so we need
>> defer probe
> 
> I agree with Ahmad. dev_err_probe properly propagates the PROBE_DEFER
> return, so this patch should be dropped.

Sure. Drop in V2.

Thanks,
Peng.

> 
> Regards,
> Lucas
> 
>> Signed-off-by: Peng Fan <peng.fan at nxp.com>
>> ---
>>   drivers/soc/imx/gpcv2.c | 5 ++++-
>>   1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
>> index 072f519462a5..49dd137f6b94 100644
>> --- a/drivers/soc/imx/gpcv2.c
>> +++ b/drivers/soc/imx/gpcv2.c
>> @@ -784,9 +784,12 @@ static int imx_pgc_domain_probe(struct platform_device *pdev)
>>   				     "Failed to get domain's clocks\n");
>>   
>>
>>
>>
>>   	domain->reset = devm_reset_control_array_get_optional_exclusive(domain->dev);
>> -	if (IS_ERR(domain->reset))
>> +	if (IS_ERR(domain->reset)) {
>> +		if (PTR_ERR(domain->reset) == -EPROBE_DEFER)
>> +			return -EPROBE_DEFER;
>>   		return dev_err_probe(domain->dev, PTR_ERR(domain->reset),
>>   				     "Failed to get domain's resets\n");
>> +	}
>>   
>>
>>
>>
>>   	pm_runtime_enable(domain->dev);
>>   
>>
>>
>>
> 
>