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authorAndrew Y. Kuksov <qxovxp@gmail.com>2015-07-14 13:23:25 (GMT)
committerMark Brown <broonie@kernel.org>2015-10-22 17:07:52 (GMT)
commit1476253cef9dbfc1f7f6a1bd19252ca528cd63bd (patch)
tree147550249f6d026795d7a6f3c838bcfa7d31c291 /drivers/md/dm.c
parent6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f (diff)
downloadlinux-1476253cef9dbfc1f7f6a1bd19252ca528cd63bd.tar.xz
spi: imx: fix ecspi mode setup
Fixed problem with setting spi mode 0 or 1 after setting mode 2 or 3 SPI_MODE_0 and SPI_MODE_1 requires clock low when inactive. SPI_MODE_2 and SPI_MODE_3 requires clk high when inactive. Currently driver can just set bits in fields SCLK_PHA (SPI Clock/Data Phase Control), SCLK_POL (SPI Clock Polarity Control), SCLK_CTL (controls the inactive state of SCLK) ans SS_POL (SPI SS Polarity Select) of ECSPIx_CONFIGREG register. This patch allows driver to clear corresponding bits in these fields. Signed-off-by: Andrew Y. Kuksov <qxovxp@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/md/dm.c')
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