Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1358936
| From | Linus Walleij <linus.walleij@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit |
| Date | 2016-03-16 13:10 +0100 |
| Message-ID | <rdir1-kr-29@gated-at.bofh.it> (permalink) |
| References | <rbygy-y0-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Mar 11, 2016 at 5:31 PM, Geert Uytterhoeven
<geert+renesas@glider.be> wrote:
> pca953x_gpio_set_multiple() divides by 4 to convert from longs to bytes,
> which assumes a 32-bit platform, and is not correct on 64-bit platforms.
> Use "sizeof(...)" instead to fix this.
>
> Fixes: b4818afeacbd8182 ("gpio: pca953x: Add set_multiple to allow multiple bits to be set in one write.")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Patch applied for fixes. Tagged for stable.
Ack from Phil.
Yours,
Linus Walleij
Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread
[PATCH] gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit Geert Uytterhoeven <geert+renesas@glider.be> - 2016-03-11 17:40 +0100 Re: [PATCH] gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit Phil Reid <preid@electromag.com.au> - 2016-03-12 16:30 +0100 Re: [PATCH] gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit Linus Walleij <linus.walleij@linaro.org> - 2016-03-16 13:10 +0100
csiph-web