From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Mon, 2 Mar 2015 12:58:56 +0000 (+0200)
Subject: spi: dw: program registers as soon as possible
X-Git-Tag: omap-for-v4.1/fixes-rc1~176^2~4^4~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b2e8915ead06b21d8f2360bfc28e747c4c0df8c;p=pandora-kernel.git

spi: dw: program registers as soon as possible

This patch refactors the code in pump_transfers() to reprogram the registers
immediately when we have a new configuration data. The behaviour is slightly
modified:
 - chip is always disabled and reenabled
 - CTRL0 is always reprogrammed

This change allows to do a further refactoring and simplier conversion to use
SPI core DMA routines in the future.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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