Messages in this thread Patch in this message | | | From | Mark Brown <> | Subject | [PATCH] regmap: debugfs: Fix attempts to read nonexistant register blocks | Date | Wed, 2 Jan 2013 15:34:41 +0000 |
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Return the start of the last block we tried to read rather than a position, and also make sure we update the byte position while we're at it. Without this reads that go into nonexistant areas get confused.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> --- drivers/base/regmap/regmap-debugfs.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 07aad78..3ec8bc5 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -103,12 +103,12 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map, /* Find the relevant block */ list_for_each_entry(c, &map->debugfs_off_cache, list) { - if (*pos >= c->min && *pos <= c->max) { - *pos = c->min; + *pos = c->min; + + if (*pos >= c->min && *pos <= c->max) return c->base_reg; - } - ret = c->max; + ret = c->base_reg; } return ret; -- 1.7.10.4
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