From 89da4293a7bb29ac42b7dd2c2573c8a5ebb0b6c7 Mon Sep 17 00:00:00 2001
From: Trent Piepho <tpiepho@gmail.com>
Date: Fri, 27 Sep 2013 05:37:25 -0700
Subject: [PATCH] spi: Use of_property_read_u32

Instead of getting the raw property, checking the length, and doing
endian conversion each time, use the OF function
of_property_read_u32() that does all that.

Error messages are slightly improved with error codes from
of_property_read_u32() for different ways the property may be invalid
(missing, too short, etc.)

Signed-off-by: Trent Piepho <tpiepho@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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