[PATCH] pwm: atmel: enable clk when pwm already enabled in bootloader

Guiting Shen aarongt.shen at gmail.com
Mon Jul 10 19:37:56 PDT 2023


On Tue, Jul 11, 2023 at 03:15:50AM GMT+8, Uwe Kleine-König wrote:
> Hello,
> 
> On Mon, Jul 10, 2023 at 05:00:45PM +0200, Thierry Reding wrote:
>> On Mon, Jul 10, 2023 at 10:42:14PM +0800, Guiting Shen wrote:
>>> +		err = clk_enable(atmel_pwm->clk);
>>> +		if (err) {
>>> +			dev_err(atmel_pwm->chip.dev, "enable clock error\n");
>>
>> Might be worth to include the error code in the error message to make it
>> easier to diagnose where the issue is. Something like:
>>
>> 	dev_err(atmel_pwm->chip.dev, "failed to enable clock: %d\n", err);
> 
> Or (IMHO) still better:
> 
>  	dev_err(atmel_pwm->chip.dev, "failed to enable clock: %pe\n", ERR_PTR(err));
> 

Ok, I will add it in v2 patch.

I also found that the clk_enable() of atmel_pwm_apply() do not include
the error code in the error message. Do I also add this in v2 patch or
in separate patch?

-- 
Regards,
Guiting Shen




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