If GPIO chipselects are specified initialise the GPIO in the setup function.
Signed-off-by: Michael Welling <[email protected]> --- drivers/spi/spi-omap2-mcspi.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index 3ac06ad..370c333 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -35,6 +35,7 @@ #include <linux/gcd.h> #include <linux/spi/spi.h> +#include <linux/gpio.h> #include <linux/platform_data/spi-omap2-mcspi.h> @@ -1015,6 +1016,12 @@ static int omap2_mcspi_setup(struct spi_device *spi) if (ret < 0) return ret; + if (gpio_is_valid(spi->cs_gpio)) { + if (gpio_request(spi->cs_gpio, dev_name(&spi->dev)) == 0) + gpio_direction_output(spi->cs_gpio, + !(spi->mode & SPI_CS_HIGH)); + } + ret = omap2_mcspi_setup_transfer(spi, NULL); pm_runtime_mark_last_busy(mcspi->dev); pm_runtime_put_autosuspend(mcspi->dev); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
