linux-kernel - [PATCH 1/3] regmap: Properly round reg_bytes and val

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Date:	Fri, 27 Jan 2012 16:10:21 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	alsa-devel@...a-project.org
Cc:	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Wolfram Sang <w.sang@...gutronix.de>
Subject: [PATCH 1/3] regmap: Properly round reg_bytes and val_bytes

For the upcoming 2/6-format, we don't see debugfs output otherwise,
since the current division results in 0. I'd think 10/14 is broken
currently, too.

Signed-off-by: Wolfram Sang <w.sang@...gutronix.de>
---
 drivers/base/regmap/regmap.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 6555803..8bd0232 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -159,8 +159,8 @@ struct regmap *regmap_init(struct device *dev,
 
 	mutex_init(&map->lock);
 	map->format.buf_size = (config->reg_bits + config->val_bits) / 8;
-	map->format.reg_bytes = config->reg_bits / 8;
-	map->format.val_bytes = config->val_bits / 8;
+	map->format.reg_bytes = DIV_ROUND_UP(config->reg_bits, 8);
+	map->format.val_bytes = DIV_ROUND_UP(config->val_bits, 8);
 	map->dev = dev;
 	map->bus = bus;
 	map->max_register = config->max_register;
-- 
1.7.8.3

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