linux-kernel - [PATCH] regmap: debugfs: Simplify calculation of `c->max

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Message-Id: <1360841608-17191-1-git-send-email-dp@opensource.wolfsonmicro.com>
Date:	Thu, 14 Feb 2013 11:33:28 +0000
From:	Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com
Subject: [PATCH] regmap: debugfs: Simplify calculation of `c->max_reg'

We don't need to use any of the file position information
to calculate the base and max register of each block.  Just
use the counter directly.

Signed-off-by: Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>
---
 drivers/base/regmap/regmap-debugfs.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 78d5f20..5fb23cb 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -95,9 +95,7 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map,
 			    regmap_precious(map, i)) {
 				if (c) {
 					c->max = p - 1;
-					fpos_offset = c->max - c->min;
-					reg_offset = fpos_offset / map->debugfs_tot_len;
-					c->max_reg = c->base_reg + reg_offset;
+					c->max_reg = i - 1;
 					list_add_tail(&c->list,
 						      &map->debugfs_off_cache);
 					c = NULL;
@@ -124,9 +122,7 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map,
 	/* Close the last entry off if we didn't scan beyond it */
 	if (c) {
 		c->max = p - 1;
-		fpos_offset = c->max - c->min;
-		reg_offset = fpos_offset / map->debugfs_tot_len;
-		c->max_reg = c->base_reg + reg_offset;
+		c->max_reg = i - 1;
 		list_add_tail(&c->list,
 			      &map->debugfs_off_cache);
 	}
-- 
1.8.1.3

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