spi: dw: introduce support of loopback mode
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Thu, 18 Sep 2014 17:08:56 +0000 (20:08 +0300)
committerMark Brown <broonie@kernel.org>
Wed, 24 Sep 2014 08:49:09 +0000 (09:49 +0100)
commitc3ce15bf2ae5cde3392944ad043b80f123510cde
tree44413c5005d7864c6e8d62f66925a9c15350b6af
parent8e45ef682cb31fda62ed4eeede5d9745a0a1b1e2
spi: dw: introduce support of loopback mode

For testing purposes it's good to have a loopback mode enabled. The patch adds
necessary bits for that.

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