Re: [PATCH] leds: pm8058: Make ledtype pointer sized type

Pavel Machek
2017-11-30T09:40:22Z

[-- Attachment #1: Type: text/plain, Size: 1175 bytes --]

On Wed 2017-11-29 19:05:43, 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 issues when compile testing
> the driver on such platform. Make ledtype unsigned long instead, to
> solve this problem.
>
> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Ummm... no?

extern const void *of_device_get_match_data(const struct device *dev);

> diff --git a/drivers/leds/leds-pm8058.c b/drivers/leds/leds-pm8058.c
> index a52674327857..cc2afe81720d 100644
> --- a/drivers/leds/leds-pm8058.c
> +++ b/drivers/leds/leds-pm8058.c
> @@ -29,7 +29,7 @@
> struct pm8058_led {
> struct regmap *map;
> u32 reg;
> - u32 ledtype;
> + unsigned long ledtype;

Make it void *. u32 is buggy. unsigned long is merely ugly code. void
* is not nice, but certainly better than unsigned long.

Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]