diff mbox

[2/2] spi: spi-ath79: use gpio_set_value_cansleep for GPIO chip select

Message ID 20161209194853.71018-2-nbd@nbd.name (mailing list archive)
State Accepted
Commit 91829a9a25cc931b76b01aa091a52e0edd649a72
Headers show

Commit Message

Felix Fietkau Dec. 9, 2016, 7:48 p.m. UTC
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 drivers/spi/spi-ath79.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Geert Uytterhoeven Dec. 11, 2016, 9:29 a.m. UTC | #1
Hi Felix,

On Fri, Dec 9, 2016 at 8:48 PM, Felix Fietkau <nbd@nbd.name> wrote:
> Signed-off-by: Felix Fietkau <nbd@nbd.name>

Please explain why this is needed, instead of just translating C to English.
A good patch description explains what, why, and how.

Thanks!

> ---
>  drivers/spi/spi-ath79.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
> index d51c99a..2517e1e 100644
> --- a/drivers/spi/spi-ath79.c
> +++ b/drivers/spi/spi-ath79.c
> @@ -80,7 +80,7 @@ static void ath79_spi_chipselect(struct spi_device *spi, int is_active)
>
>         if (gpio_is_valid(spi->cs_gpio)) {
>                 /* SPI is normally active-low */
> -               gpio_set_value(spi->cs_gpio, cs_high);
> +               gpio_set_value_cansleep(spi->cs_gpio, cs_high);

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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diff mbox

Patch

diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index d51c99a..2517e1e 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -80,7 +80,7 @@  static void ath79_spi_chipselect(struct spi_device *spi, int is_active)
 
 	if (gpio_is_valid(spi->cs_gpio)) {
 		/* SPI is normally active-low */
-		gpio_set_value(spi->cs_gpio, cs_high);
+		gpio_set_value_cansleep(spi->cs_gpio, cs_high);
 	} else {
 		u32 cs_bit = AR71XX_SPI_IOC_CS(spi->chip_select);