linux-kernel - Re: [PATCH v6 3/4] pwm: bcm2835: allow pwm driver to be used in atomic context

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Message-ID: <ZXNC3JYy7CTfYsyC@orome.fritz.box>
Date:   Fri, 8 Dec 2023 17:22:52 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Sean Young <sean@...s.org>
Cc:     linux-media@...r.kernel.org, linux-pwm@...r.kernel.org,
        Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Florian Fainelli <florian.fainelli@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 3/4] pwm: bcm2835: allow pwm driver to be used in
 atomic context

On Wed, Nov 29, 2023 at 09:13:36AM +0000, Sean Young wrote:
> clk_get_rate() may do a mutex lock. Fetch the clock rate once, and prevent
> rate changes using clk_rate_exclusive_get().
> 
> Signed-off-by: Sean Young <sean@...s.org>
> ---
>  drivers/pwm/pwm-bcm2835.c | 31 +++++++++++++++++++++----------
>  1 file changed, 21 insertions(+), 10 deletions(-)

s/pwm/PWM/ in the subject. Although, I guess you could just drop the
"PWM" altogether because the subject prefix implies that this is for
PWM. Also, please capitalize after the subject prefix.

Thierry

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