diff mbox

[4/6] spi/ath79: use gpio_request_one

Message ID 1356601349-23617-5-git-send-email-juhosg@openwrt.org (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Gabor Juhos Dec. 27, 2012, 9:42 a.m. UTC
Use gpio_request_one() instead of multiple gpiolib calls.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
 drivers/spi/spi-ath79.c |   22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

Comments

Grant Likely Feb. 5, 2013, 12:59 p.m. UTC | #1
On Thu, 27 Dec 2012 10:42:27 +0100, Gabor Juhos <juhosg@openwrt.org> wrote:
> Use gpio_request_one() instead of multiple gpiolib calls.
> 
> Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

Applied, thanks.

g.

> ---
>  drivers/spi/spi-ath79.c |   22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
> index a725e62..19d539e 100644
> --- a/drivers/spi/spi-ath79.c
> +++ b/drivers/spi/spi-ath79.c
> @@ -100,6 +100,7 @@ static int ath79_spi_setup_cs(struct spi_device *spi)
>  {
>  	struct ath79_spi *sp = ath79_spidev_to_sp(spi);
>  	struct ath79_spi_controller_data *cdata;
> +	int status;
>  
>  	cdata = spi->controller_data;
>  	if (spi->chip_select && !cdata)
> @@ -115,22 +116,21 @@ static int ath79_spi_setup_cs(struct spi_device *spi)
>  	/* TODO: setup speed? */
>  	ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, 0x43);
>  
> +	status = 0;
>  	if (spi->chip_select) {
> -		int status = 0;
> +		unsigned long flags;
>  
> -		status = gpio_request(cdata->gpio, dev_name(&spi->dev));
> -		if (status)
> -			return status;
> +		flags = GPIOF_DIR_OUT;
> +		if (spi->mode & SPI_CS_HIGH)
> +			flags |= GPIOF_INIT_HIGH;
> +		else
> +			flags |= GPIOF_INIT_LOW;
>  
> -		status = gpio_direction_output(cdata->gpio,
> -					       spi->mode & SPI_CS_HIGH);
> -		if (status) {
> -			gpio_free(cdata->gpio);
> -			return status;
> -		}
> +		status = gpio_request_one(cdata->gpio, flags,
> +					  dev_name(&spi->dev));
>  	}
>  
> -	return 0;
> +	return status;
>  }
>  
>  static void ath79_spi_cleanup_cs(struct spi_device *spi)
> -- 
> 1.7.10
>
diff mbox

Patch

diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index a725e62..19d539e 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -100,6 +100,7 @@  static int ath79_spi_setup_cs(struct spi_device *spi)
 {
 	struct ath79_spi *sp = ath79_spidev_to_sp(spi);
 	struct ath79_spi_controller_data *cdata;
+	int status;
 
 	cdata = spi->controller_data;
 	if (spi->chip_select && !cdata)
@@ -115,22 +116,21 @@  static int ath79_spi_setup_cs(struct spi_device *spi)
 	/* TODO: setup speed? */
 	ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, 0x43);
 
+	status = 0;
 	if (spi->chip_select) {
-		int status = 0;
+		unsigned long flags;
 
-		status = gpio_request(cdata->gpio, dev_name(&spi->dev));
-		if (status)
-			return status;
+		flags = GPIOF_DIR_OUT;
+		if (spi->mode & SPI_CS_HIGH)
+			flags |= GPIOF_INIT_HIGH;
+		else
+			flags |= GPIOF_INIT_LOW;
 
-		status = gpio_direction_output(cdata->gpio,
-					       spi->mode & SPI_CS_HIGH);
-		if (status) {
-			gpio_free(cdata->gpio);
-			return status;
-		}
+		status = gpio_request_one(cdata->gpio, flags,
+					  dev_name(&spi->dev));
 	}
 
-	return 0;
+	return status;
 }
 
 static void ath79_spi_cleanup_cs(struct spi_device *spi)