diff options
| author | John Ogness <john.ogness@linutronix.de> | 2025-01-07 22:33:02 +0106 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-01-10 16:08:25 +0100 |
| commit | 422c9727b07f9f86e2ec11c56622e566221591cc (patch) | |
| tree | eea5342ff162f58da3c81ac6619d125a4d746d1f | |
| parent | b63e6f60eab45b16a1bf734fef9035a4c4187cd5 (diff) | |
serial: 8250: Revert "drop lockdep annotation from serial8250_clear_IER()"
The 8250 driver no longer depends on @oops_in_progress and
will no longer violate the port->lock locking constraints.
This reverts commit 3d9e6f556e235ddcdc9f73600fdd46fe1736b090.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20250107212702.169493-7-john.ogness@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/8250/8250_port.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 08466cf10d73..76a8d74f16e8 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -726,6 +726,9 @@ static void __serial8250_clear_IER(struct uart_8250_port *up) static inline void serial8250_clear_IER(struct uart_8250_port *up) { + /* Port locked to synchronize UART_IER access against the console */ + lockdep_assert_held_once(&up->port.lock); + __serial8250_clear_IER(up); } |