From 2e804b7c72d4efd2318428a2c1e40fd0e173c487 Mon Sep 17 00:00:00 2001
From: Philipp Zabel <p.zabel@pengutronix.de>
Date: Fri, 16 May 2014 16:25:34 +0200
Subject: [PATCH] regmap: mmio: Fix regmap_mmio_write for uneven counts

Commit 932580409a9dacbf42215fa737bf06ae2c0aa624
"regmap: mmio: Add support for 1/2/8 bytes wide register address."
broke regmap_mmio_write for uneven counts, for example 32-bit register
addresses with no padding and 8-byte values (count = 5).
Fix this by allowing all counts large enough to include some value.
This check was BUG_ON(count < 4) before the last change.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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