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@xxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_port.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index ce841c62900d..1b4524f6d9b9 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -712,6 +712,9 @@ 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);
}
--
2.39.2
