diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2015-02-24 13:32:13 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-02-24 23:43:34 +0900 |
| commit | 1a18f9f753209977450c94dcd354dd4fa5370966 (patch) | |
| tree | c3687b18629a9382a8bc56857c920043c5e7b3dc /drivers/spi/spi-dw.c | |
| parent | 341c7dc7c074e80d7344e0d75e2b8918ffc982fb (diff) | |
| download | linux-1a18f9f753209977450c94dcd354dd4fa5370966.tar.gz linux-1a18f9f753209977450c94dcd354dd4fa5370966.tar.bz2 linux-1a18f9f753209977450c94dcd354dd4fa5370966.zip | |
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/spi-dw.c')
| -rw-r--r-- | drivers/spi/spi-dw.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 0e0c48b37b83..281121f00138 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); |