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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-02-24 13:32:13 +0200
committerMark Brown <broonie@kernel.org>2015-02-24 23:43:34 +0900
commit1a18f9f753209977450c94dcd354dd4fa5370966 (patch)
treec3687b18629a9382a8bc56857c920043c5e7b3dc /drivers/spi
parent341c7dc7c074e80d7344e0d75e2b8918ffc982fb (diff)
downloadop-kernel-dev-1a18f9f753209977450c94dcd354dd4fa5370966.zip
op-kernel-dev-1a18f9f753209977450c94dcd354dd4fa5370966.tar.gz
spi: dw: always reprogram CTRL0
Instead of an additional reading from the register let's update it even if the value is kept the same. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-dw.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index 0e0c48b..281121f 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -476,8 +476,7 @@ static void pump_transfers(unsigned long data)
if (dw_readw(dws, DW_SPI_CTRL0) != cr0 || cs_change || clk_div || imask) {
spi_enable_chip(dws, 0);
- if (dw_readw(dws, DW_SPI_CTRL0) != cr0)
- dw_writew(dws, DW_SPI_CTRL0, cr0);
+ dw_writew(dws, DW_SPI_CTRL0, cr0);
spi_set_clk(dws, chip->clk_div);
spi_chip_sel(dws, spi, 1);
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