log: update the comment for log_msg_ret()

Add some advice on string size here.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2022-09-06 20:26:53 -06:00 committed by Tom Rini
parent f3543e6944
commit b7f134eece

View File

@ -322,7 +322,10 @@ void __assert_fail(const char *assertion, const char *file, unsigned int line,
* *
* or: * or:
* *
* return log_msg_ret("fred failed", fred_call()); * return log_msg_ret("get", fred_call());
*
* It is recommended to use <= 3 characters for the name since this will only
* use 4 bytes in rodata
*/ */
#define log_ret(_ret) ({ \ #define log_ret(_ret) ({ \
int __ret = (_ret); \ int __ret = (_ret); \