Heiko Stübner wrote:
>
> Until now the Exynos-SoC was the only Samsung-SoC supporting the GPIOs
> via the device tree. This patch implements dt-support for the
> s3c24xx arches.
>
> The controllers contain only 3 cells, as the underlying gpio controller
> does not support controlling the drive strength on a gpio level.
>
> Tested with the gpio-keys driver on a s3c2416 based machine.
>
> Signed-off-by: Heiko Stuebner <[email protected]>
> Reviewed-by: Thomas Abraham <[email protected]>
> ---
[...]
> +#if defined(CONFIG_PLAT_S3C24XX) && defined(CONFIG_OF)
[...]
> +static __init void s3c24xx_gpiolib_attach_ofnode(struct samsung_gpio_chip
> *chip,
> + u64 base, u64 offset)
> +{
[...]
> +}
> +#elif defined(CONFIG_PLAT_S3C24XX)
Heiko, above line breaks building for other samsung stuff except s3c24xx. I
fixed with following which has been amended in your patch. If any problems,
please let me know.
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <[email protected]>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index 5dcdcda..a006f0d 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -991,7 +991,7 @@ static __init void s3c24xx_gpiolib_attach_ofnode(struct
samsun
gc->of_gpio_n_cells = 3;
gc->of_xlate = s3c24xx_gpio_xlate;
}
-#elif defined(CONFIG_PLAT_S3C24XX)
+#else
static __init void s3c24xx_gpiolib_attach_ofnode(struct samsung_gpio_chip
*chip,
u64 base, u64 offset)
{
> +static __init void s3c24xx_gpiolib_attach_ofnode(struct samsung_gpio_chip
> *chip,
> + u64 base, u64 offset)
> +{
> + return;
> +}
> +#endif /* defined(CONFIG_PLAT_S3C24XX) && defined(CONFIG_OF) */
> +
> static void __init s3c24xx_gpiolib_add_chips(struct samsung_gpio_chip
> *chip,
> int nr_chips, void __iomem *base)
> {
> @@ -962,6 +1023,8 @@ static void __init s3c24xx_gpiolib_add_chips(struct
> samsung_gpio_chip *chip,
> gc->direction_output = samsung_gpiolib_2bit_output;
>
> samsung_gpiolib_add(chip);
> +
> + s3c24xx_gpiolib_attach_ofnode(chip, S3C24XX_PA_GPIO, i *
> 0x10);
> }
> }
>
> --
> 1.7.2.3
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