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| author | Markus Niebel <Markus.Niebel@tq-group.com> | 2014-10-23 16:09:38 +0200 |
|---|---|---|
| committer | Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> | 2014-10-27 22:37:03 +0530 |
| commit | ba3451d3d8990fec10c1addc689448bd5b81dc62 (patch) | |
| tree | c57865babbe88c52ee0825d60b509f45f6f15e2a | |
| parent | cdcdad851f7abc4e3328bae3f675349f3f5cda4a (diff) | |
| download | u-boot-imx-ba3451d3d8990fec10c1addc689448bd5b81dc62.zip u-boot-imx-ba3451d3d8990fec10c1addc689448bd5b81dc62.tar.gz u-boot-imx-ba3451d3d8990fec10c1addc689448bd5b81dc62.tar.bz2 | |
SPI: mxc_spi: remove second reset from ECSPI config handler
the second reset prevents other registers to be written.
This will prevent to have the correct signal levels for
SCLK before writing to the config reg in spi_xchg_single.
Tested with GPIO based chipselect and SPI_MODE_3 on i.MX6S
Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
| -rw-r--r-- | drivers/spi/mxc_spi.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c index be10269..523c7af 100644 --- a/drivers/spi/mxc_spi.c +++ b/drivers/spi/mxc_spi.c @@ -169,9 +169,6 @@ static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs, reg_ctrl = (reg_ctrl & ~MXC_CSPICTRL_POSTDIV(0x0F)) | MXC_CSPICTRL_POSTDIV(post_div); - /* We need to disable SPI before changing registers */ - reg_ctrl &= ~MXC_CSPICTRL_EN; - if (mode & SPI_CS_HIGH) ss_pol = 1; |