[U-Boot] [PATCH v4 06/13] regmap: Add error output

Mario Six
2018-08-03T08:01:11Z

Add some debug output in cases where the initialization of a regmap
fails.

Reviewed-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Mario Six <mario.six@gdsys.cc>

---

v3 -> v4:
No changes

v2 -> v3:
New in v3

---
drivers/core/regmap.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c
index 25c1ae5d7df..154426269d9 100644
--- a/drivers/core/regmap.c
+++ b/drivers/core/regmap.c
@@ -139,12 +139,18 @@ int regmap_init_mem(ofnode node, struct regmap **mapp)
}

len = ofnode_read_size(node, "reg");
- if (len < 0)
+ if (len < 0) {
+ debug("%s: Error while reading reg size (ret = %d)\n",
+ ofnode_get_name(node), len);
return len;
+ }
len /= sizeof(fdt32_t);
count = len / both_len;
- if (!count)
+ if (!count) {
+ debug("%s: Not enough data in reg property\n",
+ ofnode_get_name(node));
return -EINVAL;
+ }

map = regmap_alloc(count);
if (!map)
--
2.11.0