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@xxxxxxxxxx>
> Fixes: 7f866986e705 ("leds: add PM8058 LEDs driver")
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
> drivers/leds/leds-pm8058.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> 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.
> map = dev_get_regmap(pdev->dev.parent, NULL);
> if (!map) {
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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