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authorGao Pan <pandy.gao@nxp.com>2016-11-24 12:04:44 +0100
committerMark Brown <broonie@kernel.org>2016-11-25 14:04:41 +0100
commit3ffa1a5dc696f661754bf145813433fda92371b2 (patch)
tree00dadd3ad3a993a6d3c8fe64377ef5262b289a55 /drivers/mfd/mc13xxx-i2c.c
parentspi: imx: add devicetree binding for lpspi (diff)
downloadlinux-3ffa1a5dc696f661754bf145813433fda92371b2.tar.xz
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spi: imx: use prepare_transfer_hardware() for lpspi
The old driver enable clk in fsl_lpspi_prepare_message() and disable clk in fsl_lpspi_unprepare_message(). Rather than doing this per message it's a bit better to do it in prepare_transfer_hardware(), that way if there's a sequence of messages queued one after another we don't turn the clock on and off all the time. Signed-off-by: Gao Pan <pandy.gao@nxp.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/mfd/mc13xxx-i2c.c')
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