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-rw-r--r--drivers/base/regmap/internal.h1
-rw-r--r--drivers/base/regmap/regmap-debugfs.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index 401d1919635a..26b8ffde1458 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -25,6 +25,7 @@ struct regmap_debugfs_off_cache {
off_t min;
off_t max;
unsigned int base_reg;
+ unsigned int max_reg;
};
struct regmap_format {
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 0e94fd3c95a3..3fade1ceaf15 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -81,6 +81,8 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map,
struct regmap_debugfs_off_cache *c = NULL;
loff_t p = 0;
unsigned int i, ret;
+ unsigned int fpos_offset;
+ unsigned int reg_offset;
/*
* If we don't have a cache build one so we don't have to do a
@@ -93,6 +95,9 @@ 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;
list_add_tail(&c->list,
&map->debugfs_off_cache);
c = NULL;
@@ -119,6 +124,9 @@ 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;
list_add_tail(&c->list,
&map->debugfs_off_cache);
}