From: Pavel Machek <pavel@ucw.cz>
To: Lee Jones <lee.jones@linaro.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
Richard Purdie <rpurdie@rpsys.net>,
Jacek Anaszewski <jacek.anaszewski@gmail.com>,
linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org,
Linus Walleij <linus.walleij@linaro.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Linux-Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: [PATCH v2] leds: pm8058: Silence pointer to integer size warning
Date: Fri, 1 Dec 2017 09:36:42 +0100 [thread overview]
Message-ID: <20171201083642.GA4960@amd> (raw)
In-Reply-To: <20171201075715.2bkjpjfqbitz2bem@dell>
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On Fri 2017-12-01 07:57:15, Lee Jones wrote:
> On Thu, 30 Nov 2017, Bjorn Andersson wrote:
>
> > The pointer returned by of_device_get_match_data() doesn't have the same
> > size as u32 on 64-bit architectures, causing a compile warning when
> > compile-testing the driver on such platform.
> >
> > Cast the return value of of_device_get_match_data() to unsigned long and
> > then to u32 to silence this warning.
> >
> > Cc: Linus Walleij <linus.walleij@linaro.org>
> > Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Thanks!
Acked-by: Pavel Machek <pavel@ucw.cz>
> > diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
> > index a52674327857..8988ba3b2d65 100644
> > --- a/drivers/leds/leds-pm8058.c
> > +++ b/drivers/leds/leds-pm8058.c
> > @@ -106,7 +106,7 @@ static int pm8058_led_probe(struct platform_device *pdev)
> > if (!led)
> > return -ENOMEM;
> >
> > - led->ledtype = (u32)of_device_get_match_data(&pdev->dev);
> > + led->ledtype = (u32)(unsigned long)of_device_get_match_data(&pdev->dev);
>
> Wouldn't (u32)(void *) be even more correct?
>
> ... if the compiler will let you get away with it.
Afaict that would still produce the warning. of_device_get_match_data
already returns void *.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2017-12-01 8:36 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-30 0:35 linux-next: build warning after merge of the mfd tree Stephen Rothwell
2017-11-30 3:05 ` [PATCH] leds: pm8058: Make ledtype pointer sized type Bjorn Andersson
2017-11-30 8:29 ` Lee Jones
2017-11-30 8:31 ` Lee Jones
2017-11-30 22:02 ` Jacek Anaszewski
2017-12-01 7:56 ` Lee Jones
2017-12-01 20:35 ` Jacek Anaszewski
2017-11-30 9:18 ` Linus Walleij
2017-11-30 9:41 ` Lee Jones
2017-11-30 9:40 ` Pavel Machek
2017-11-30 21:58 ` Jacek Anaszewski
2017-11-30 22:34 ` Pavel Machek
2017-11-30 23:14 ` Stephen Rothwell
2017-12-01 0:28 ` Pavel Machek
2017-12-01 5:10 ` Bjorn Andersson
2017-11-30 22:18 ` Bjorn Andersson
2017-11-30 8:28 ` linux-next: build warning after merge of the mfd tree Lee Jones
2017-12-01 5:16 ` [PATCH v2] leds: pm8058: Silence pointer to integer size warning Bjorn Andersson
2017-12-01 7:57 ` Lee Jones
2017-12-01 8:36 ` Pavel Machek [this message]
2017-12-01 8:56 ` Lee Jones
2017-12-01 8:56 ` Lee Jones
2017-12-01 9:01 ` [GIT PULL] Immutable branch between MFD and LED due for the v4.16 merge window Lee Jones
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