spi/ath79: use gpio_request_one

Use gpio_request_one() instead of multiple gpiolib calls.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index a725e62dfa9038e29cb11c0c11a904eee817e47b..19d539e36300b267b33084c02a498316ae34f38f 100644 (file)
--- 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)