serial: core: Fix the definition name in the comment of UPF_* flags

From day 1 the UPF_LAST_USER wasn't defined, a specific number of
the last bit for userspace. Instead the code always relies on
ASYNCB_LAST_USER. Fix comment accordingly.

Fixes: 904326ecac02 ("tty,serial: Unify UPF_* and ASYNC_* flag definitions")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220203144521.16457-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index c58cc142d23f4c3c7b60de737e4ea3e1c6c18666..31f7fe527395a216788a3ca720e223df92a26630 100644 (file)
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -171,7 +171,7 @@ struct uart_port {
         * assigned from the serial_struct flags in uart_set_info()
         * [for bit definitions in the UPF_CHANGE_MASK]
         *
-        * Bits [0..UPF_LAST_USER] are userspace defined/visible/changeable
+        * Bits [0..ASYNCB_LAST_USER] are userspace defined/visible/changeable
         * The remaining bits are serial-core specific and not modifiable by
         * userspace.
         */