linux-kernel - Re: [PATCH] pwm: lp3943: Dynamically allocate pwm chip base

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Message-ID: <20201111201227.GJ6125@ulmo>
Date:   Wed, 11 Nov 2020 21:12:27 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Lokesh Vutla <lokeshvutla@...com>
Cc:     u.kleine-koenig@...gutronix.de, Lee Jones <lee.jones@...aro.org>,
        linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sekhar Nori <nsekhar@...com>
Subject: Re: [PATCH] pwm: lp3943: Dynamically allocate pwm chip base

On Fri, Oct 30, 2020 at 07:11:35PM +0530, Lokesh Vutla wrote:
> When there are other pwm controllers enabled along with pwm-lp3943,
> pwm-lp3942 is failing to probe with -EEXIST error. This is because
> other pwm controller is probed first and assigned pwmchip 0 and
> pwm-lp3943 is requesting for 0 again. In order to avoid this, assign the
> chip base with -1, so that id is dynamically allocated.
> 
> Fixes: af66b3c0934e ("pwm: Add LP3943 PWM driver")
> Signed-off-by: Lokesh Vutla <lokeshvutla@...com>
> ---
>  drivers/pwm/pwm-lp3943.c | 1 +
>  1 file changed, 1 insertion(+)

Applied, thanks.

Thierry

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