From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Tue, 24 Feb 2015 11:32:13 +0000 (+0200)
Subject: spi: dw: always reprogram CTRL0
X-Git-Tag: v4.1-rc1~163^2~4^4~15
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=1a18f9f753209977450c94dcd354dd4fa5370966;p=linux.git

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>
---

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);