[PATCH 2/3] tty: serial: meson: meson_uart_shutdown omit clear AML_UART_TX_EN bit

Yu Tu
2021-12-21T07:32:14Z

The meson_uart_shutdown function should have the opposite operation to
the meson_uart_startup function, so the shutdown of AML_UART_TX_EN is
logically missing.

Signed-off-by: Yu Tu <yu.tu@amlogic.com>
---
drivers/tty/serial/meson_uart.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
index 02fafb8229d2..69450a461c48 100644
--- a/drivers/tty/serial/meson_uart.c
+++ b/drivers/tty/serial/meson_uart.c
@@ -126,8 +126,7 @@ static void meson_uart_shutdown(struct uart_port *port)
spin_lock_irqsave(&port->lock, flags);

val = readl(port->membase + AML_UART_CONTROL);
- val &= ~AML_UART_RX_EN;
- val &= ~(AML_UART_RX_INT_EN | AML_UART_TX_INT_EN);
+ val &= ~(AML_UART_RX_EN | AML_UART_TX_EN);
writel(val, port->membase + AML_UART_CONTROL);

spin_unlock_irqrestore(&port->lock, flags);
--
2.33.1