Revert "serial: 8250: Revert "drop lockdep annotation from serial8250_clear_IER()""

This reverts commit 422c9727b07f9f86e2ec11c56622e566221591cc.

kernel test robot has found problems with this commit so revert it for
now.

Link: https://lore.kernel.org/r/[email protected]
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-lkp/[email protected]
Cc: John Ogness <[email protected]>
Cc: Petr Mladek <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 76a8d74f16e8bd31be2faeef549fe7cfd035c64e..08466cf10d737ed38e0fa7ba4354950fd1899c86 100644 (file)
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -726,9 +726,6 @@ 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);
 }