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i.MX SPI: Setup SPI chipselect to inactive state while initializing device 

To avoid unnecessary preset initial state chipselect lines for SPI, set it to
inactive state when adding devices to the system.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Alexander Shiyan 2012-05-16 16:02:55 +04:00 committed by Sascha Hauer
parent 3c4a23c950
commit 385c54648b
1 changed files with 4 additions and 0 deletions
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4
drivers/spi/imx_spi.c
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@ -145,6 +145,10 @@ struct spi_imx_devtype_data {
static int imx_spi_setup(struct spi_device *spi)
{
struct imx_spi *imx = container_of(spi->master, struct imx_spi, master);
imx->chipselect(spi, 0);
debug("%s mode 0x%08x bits_per_word: %d speed: %d\n",
__FUNCTION__, spi->mode, spi->bits_per_word,
spi->max_speed_hz);