[PATCH] regmap: Properly round reg_bytes and val_bytes

[PATCH] regmap: Properly round reg_bytes and val_bytes

[Wolfram Sang]

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@pengutronix.de>
---

rebased to topic/core

 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 b4475d8..3c34526 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -167,9 +167,9 @@ 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.reg_bytes = DIV_ROUND_UP(config->reg_bits, 8);
 	map->format.pad_bytes = config->pad_bits / 8;
-	map->format.val_bytes = config->val_bits / 8;
+	map->format.val_bytes = DIV_ROUND_UP(config->val_bits, 8);
 	map->format.buf_size += map->format.pad_bytes;
 	map->dev = dev;
 	map->bus = bus;
-- 
1.7.2.5

Re: [PATCH] regmap: Properly round reg_bytes and val_bytes

[Mark Brown]

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On Sat, Jan 28, 2012 at 02:16:41AM +0100, Wolfram Sang wrote:
> 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.

Applied, thanks.

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