Use spi->cs_gpio directly to remove the following build warning:
drivers/spi/spi-davinci.c:219:6: warning: 'gpio' may be used uninitialized in 
this function

Signed-off-by: Luis de Bethencourt <[email protected]>
Suggested-by: Geert Uytterhoeven <[email protected]>
---

Hi,

The warning and suggestion can be seen here:
https://lkml.org/lkml/2015/10/15/909

Thanks,
Luis

 drivers/spi/spi-davinci.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index a85d863..7d3af3e 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -215,18 +215,10 @@ static void davinci_spi_chipselect(struct spi_device 
*spi, int value)
        struct davinci_spi_config *spicfg = spi->controller_data;
        u8 chip_sel = spi->chip_select;
        u16 spidat1 = CS_DEFAULT;
-       bool gpio_chipsel = false;
-       int gpio;
 
        dspi = spi_master_get_devdata(spi->master);
        pdata = &dspi->pdata;
 
-       if (spi->cs_gpio >= 0) {
-               /* SPI core parse and update master->cs_gpio */
-               gpio_chipsel = true;
-               gpio = spi->cs_gpio;
-       }
-
        /* program delay transfers if tx_delay is non zero */
        if (spicfg->wdelay)
                spidat1 |= SPIDAT1_WDEL;
@@ -235,11 +227,12 @@ static void davinci_spi_chipselect(struct spi_device 
*spi, int value)
         * Board specific chip select logic decides the polarity and cs
         * line for the controller
         */
-       if (gpio_chipsel) {
+       if (spi->cs_gpio >= 0) {
                if (value == BITBANG_CS_ACTIVE)
-                       gpio_set_value(gpio, spi->mode & SPI_CS_HIGH);
+                       gpio_set_value(spi->cs_gpio, spi->mode & SPI_CS_HIGH);
                else
-                       gpio_set_value(gpio, !(spi->mode & SPI_CS_HIGH));
+                       gpio_set_value(spi->cs_gpio,
+                               !(spi->mode & SPI_CS_HIGH));
        } else {
                if (value == BITBANG_CS_ACTIVE) {
                        spidat1 |= SPIDAT1_CSHOLD_MASK;
-- 
2.5.1

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