[PATCH] regmap: cache: set max_register with reg_stride

From: Jeongtae Park
Date: Mon Apr 25 2022 - 07:51:34 EST


Current logic does not consider multi-stride cases,
the max_register have to calculate with reg_stride
because it is a kind of address range.

Signed-off-by: Jeongtae Park <jtp.park@xxxxxxxxxxx>
---
drivers/base/regmap/regcache.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index f2469d3435ca..d0f5bc827978 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -183,8 +183,8 @@ int regcache_init(struct regmap *map, const struct regmap_config *config)
return 0;
}

- if (!map->max_register)
- map->max_register = map->num_reg_defaults_raw;
+ if (!map->max_register && map->num_reg_defaults_raw)
+ map->max_register = (map->num_reg_defaults_raw - 1) * map->reg_stride;

if (map->cache_ops->init) {
dev_dbg(map->dev, "Initializing %s cache\n",
--
2.25.1