docs: printk-formats: Treat char as always unsigned
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Mon, 3 Jul 2023 14:58:39 +0000 (17:58 +0300)
committerPetr Mladek <pmladek@suse.com>
Tue, 18 Jul 2023 11:43:21 +0000 (13:43 +0200)
commit243e212ff82f6aaabc2793049571a199067738d3
tree3e3f5fba08cdbf318bde9b1b4dc29466423dacc9
parent46d57a7a8e331ad402783a77d246c4196ba21863
docs: printk-formats: Treat char as always unsigned

The Linux kernel switched to have char be equivalent to usigned char.
Reflect this in the printk specifiers.

Fixes: 3bc753c06dd0 ("kbuild: treat char as always unsigned")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20230703145839.14248-2-andriy.shevchenko@linux.intel.com
Documentation/core-api/printk-formats.rst