From 707214d097eb505fe067668838ae800260a064ba Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 19 Jul 2012 14:36:16 +0900 Subject: spi/s3c64xx: Put the /CS GPIO into output mode No call was being made by the GPIO driver to put the GPIO into output mode meaning that the calls to gpio_set_value() which were being done were not valid. A similar issue appears to exist with the DT GPIO requests but as they appear to be being used for pinmux it's less clear to me that we want to configure them. Without this fix Cragganmore systems can't talk to their SPI devices. Signed-off-by: Mark Brown Signed-off-by: Kukjin Kim --- drivers/spi/spi-s3c64xx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/spi') diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 0bec10b7e6c0..9d103163681e 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -894,7 +894,8 @@ static int s3c64xx_spi_setup(struct spi_device *spi) } if (!spi_get_ctldata(spi)) { - err = gpio_request(cs->line, dev_name(&spi->dev)); + err = gpio_request_one(cs->line, GPIOF_OUT_INIT_HIGH, + dev_name(&spi->dev)); if (err) { dev_err(&spi->dev, "Failed to get /CS gpio [%d]: %d\n", -- cgit v1.2.3