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authorGabor Juhos <juhosg@openwrt.org>2012-12-27 04:42:27 -0500
committerGrant Likely <grant.likely@secretlab.ca>2013-02-05 07:58:55 -0500
commit95d79419feffb326a3d5cb50e2248129dec06bb0 (patch)
treee87721bd59bbb27c2631c94c67e1c74058eb497d /drivers/spi
parentf1e8fc9898fd8ca78b7438d3c2e60028d3ae2a34 (diff)
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>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-ath79.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index a725e62dfa90..19d539e36300 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)
100{ 100{
101 struct ath79_spi *sp = ath79_spidev_to_sp(spi); 101 struct ath79_spi *sp = ath79_spidev_to_sp(spi);
102 struct ath79_spi_controller_data *cdata; 102 struct ath79_spi_controller_data *cdata;
103 int status;
103 104
104 cdata = spi->controller_data; 105 cdata = spi->controller_data;
105 if (spi->chip_select && !cdata) 106 if (spi->chip_select && !cdata)
@@ -115,22 +116,21 @@ static int ath79_spi_setup_cs(struct spi_device *spi)
115 /* TODO: setup speed? */ 116 /* TODO: setup speed? */
116 ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, 0x43); 117 ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, 0x43);
117 118
119 status = 0;
118 if (spi->chip_select) { 120 if (spi->chip_select) {
119 int status = 0; 121 unsigned long flags;
120 122
121 status = gpio_request(cdata->gpio, dev_name(&spi->dev)); 123 flags = GPIOF_DIR_OUT;
122 if (status) 124 if (spi->mode & SPI_CS_HIGH)
123 return status; 125 flags |= GPIOF_INIT_HIGH;
126 else
127 flags |= GPIOF_INIT_LOW;
124 128
125 status = gpio_direction_output(cdata->gpio, 129 status = gpio_request_one(cdata->gpio, flags,
126 spi->mode & SPI_CS_HIGH); 130 dev_name(&spi->dev));
127 if (status) {
128 gpio_free(cdata->gpio);
129 return status;
130 }
131 } 131 }
132 132
133 return 0; 133 return status;
134} 134}
135 135
136static void ath79_spi_cleanup_cs(struct spi_device *spi) 136static void ath79_spi_cleanup_cs(struct spi_device *spi)