From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Lee Jones <lee.jones@linaro.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
thierry.reding@gmail.com, linux-pwm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com
Subject: Re: [PATCH 2/4] pwm: bcm-kona: Remove impossible comparison when validating duty cycle
Date: Mon, 29 Jun 2020 21:41:13 +0200 [thread overview]
Message-ID: <20200629194113.5ppu6fbolvk2ibkj@pengutronix.de> (raw)
In-Reply-To: <0db8ebc7-b75b-a74c-8852-b235daedaf82@gmail.com>
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On Mon, Jun 29, 2020 at 09:45:31AM -0700, Florian Fainelli wrote:
>
>
> On 6/29/2020 5:47 AM, Lee Jones wrote:
> > 'dc' here is an unsigned long, thus checking for <0 will always
> > evaluate to false.
> >
> > Fixes the following W=1 warning:
> >
> > drivers/pwm/pwm-bcm-kona.c:141:35: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
> >
> > Cc: Florian Fainelli <f.fainelli@gmail.com>
> > Cc: Ray Jui <rjui@broadcom.com>
> > Cc: Scott Branden <sbranden@broadcom.com>
> > Cc: bcm-kernel-feedback-list@broadcom.com
> > Cc: linux-pwm@vger.kernel.org
> > Signed-off-by: Lee Jones <lee.jones@linaro.org>
>
> And similar to patch #1, DUTY_CYCLE_HIGH_MIN now gets unused, so if you
> remove it as well, you can add:
>
> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Even without removing DUTY_CYCLE_HIGH_MIN (which might still serve as
documentation):
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |
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next prev parent reply other threads:[~2020-06-29 19:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-29 12:47 [PATCH 0/4] Fix a bunch of W=1 warnings in PWM Lee Jones
2020-06-29 12:47 ` [PATCH 1/4] pwm: bcm-iproc: Remove impossible comparison when validating duty cycle Lee Jones
2020-06-29 16:45 ` Florian Fainelli
2020-06-29 16:54 ` Scott Branden
2020-06-29 19:45 ` Uwe Kleine-König
2020-06-29 12:47 ` [PATCH 2/4] pwm: bcm-kona: " Lee Jones
2020-06-29 16:45 ` Florian Fainelli
2020-06-29 19:41 ` Uwe Kleine-König [this message]
2020-06-29 12:47 ` [PATCH 3/4] pwm: mediatek: Provide missing kerneldoc description for 'soc' arg Lee Jones
2020-06-29 19:47 ` Uwe Kleine-König
2020-06-29 12:47 ` [PATCH 4/4] pwm: omap-dmtimer: Repair pwm_omap_dmtimer_chip's broken kerneldoc header Lee Jones
2020-06-29 19:39 ` Uwe Kleine-König
2020-07-27 7:50 ` [PATCH 0/4] Fix a bunch of W=1 warnings in PWM Thierry Reding
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