global: Convert simple_strtoul() with hex to hextoul()
It is a pain to have to specify the value 16 in each call. Add a new
hextoul() function and update the code to use it.
Add a proper comment to simple_strtoul() while we are here.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/update.c b/common/update.c
index f084895..f5c8684 100644
--- a/common/update.c
+++ b/common/update.c
@@ -272,7 +272,7 @@
/* get load address of downloaded update file */
env_addr = env_get("loadaddr");
if (env_addr)
- addr = simple_strtoul(env_addr, NULL, 16);
+ addr = hextoul(env_addr, NULL);
else
addr = CONFIG_UPDATE_LOAD_ADDR;