In preparation to support the regmap debugfs ranges functionality
factor this code out to a separate function. We'll need to ensure
that the value has been correctly calculated from two separate places
in the code.
Signed-off-by: Dimitris Papastamos <d...@opensource.wolfsonmicro.com>
---
drivers/base/regmap/regmap-debugfs.c | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/drivers/base/regmap/regmap-debugfs.c
b/drivers/base/regmap/regmap-debugfs.c
index 246f459..78d5f20 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -155,6 +155,19 @@ static unsigned int regmap_debugfs_get_dump_start(struct
regmap *map,
return ret;
}
+static inline void regmap_calc_tot_len(struct regmap *map,
+ void *buf, size_t count)
+{
+ /* Calculate the length of a fixed format */
+ if (!map->debugfs_tot_len) {
+ map->debugfs_reg_len = regmap_calc_reg_len(map->max_register,
+ buf, count);
+ map->debugfs_val_len = 2 * map->format.val_bytes;
+ map->debugfs_tot_len = map->debugfs_reg_len +
+ map->debugfs_val_len + 3; /* : \n */
+ }
+}
+
static ssize_t regmap_read_debugfs(struct regmap *map, unsigned int from,
unsigned int to, char __user *user_buf,
size_t count, loff_t *ppos)
@@ -173,14 +186,7 @@ static ssize_t regmap_read_debugfs(struct regmap *map,
unsigned int from,
if (!buf)
return -ENOMEM;
- /* Calculate the length of a fixed format */
- if (!map->debugfs_tot_len) {
- map->debugfs_reg_len = regmap_calc_reg_len(map->max_register,
- buf, count);
- map->debugfs_val_len = 2 * map->format.val_bytes;
- map->debugfs_tot_len = map->debugfs_reg_len +
- map->debugfs_val_len + 3; /* : \n */
- }
+ regmap_calc_tot_len(map, buf, count);
/* Work out which register we're starting at */
start_reg = regmap_debugfs_get_dump_start(map, from, *ppos, &p);
--
1.8.1.3
--
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