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Message-ID: <177ff5f0-3f99-646a-69b0-72c51fd1db25@gmail.com>
Date: Tue, 11 Jul 2023 10:37:56 +0800
From: Guiting Shen <aarongt.shen@...il.com>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
Thierry Reding <thierry.reding@...il.com>
Cc: claudiu.beznea@...rochip.com, nicolas.ferre@...rochip.com,
alexandre.belloni@...tlin.com,
linux-arm-kernel@...ts.infradead.org, linux-pwm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pwm: atmel: enable clk when pwm already enabled in
bootloader
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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