Re: [PATCH] pwm: Add missing dummy for devm_pwmchip_add()

[Uwe Kleine-König]

Hello Geert,

On Tue, Oct 25, 2022 at 04:03:42PM +0200, Geert Uytterhoeven wrote:
> The PWM subsystem supports compile-testing if CONFIG_PWM is disabled.
> However, no dummy is provided for devm_pwmchip_add(), which may lead to
> build failures.
> 
> Fixes: bcda91bf86c1ff76 ("pwm: Add a device-managed function to add PWM chips")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Is this a problem that today yields a failure to compile? As of v6.1-rc1
and also in next all callers are below drivers/pwm/ which isn't included
in the build without PWM=y.

Am I missing something or is this just preparing that one of the drivers
that doesn't live in drivers/pwm might call devm_pwmchip_add in the
future? In that case I wouldn't add that Fixes: line (and also oppose to
backporting that commit to stable).

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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