On Wed, May 16, 2012 at 04:02:55PM +0400, Alexander Shiyan wrote:
> 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@xxxxxxx>
Applied, thanks
Sascha
> ---
> drivers/spi/imx_spi.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/spi/imx_spi.c b/drivers/spi/imx_spi.c
> index 3b33b66..42358f2 100644
> --- a/drivers/spi/imx_spi.c
> +++ b/drivers/spi/imx_spi.c
> @@ -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);
> --
> 1.7.3.4
>
>
> _______________________________________________
> barebox mailing list
> barebox@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/barebox
>
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
