From ee5aab642d8a99a7a48d9b30f098ca2a97f463c4 Mon Sep 17 00:00:00 2001 From: William Qiu Date: Wed, 20 Sep 2023 17:19:59 +0800 Subject: [PATCH 10/55] uart: 8250: add reset operation in runtime PM add reset operation in runtime PM Signed-off-by: William Qiu --- drivers/tty/serial/8250/8250_dw.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -710,6 +710,8 @@ static int dw8250_runtime_suspend(struct { struct dw8250_data *data = dev_get_drvdata(dev); + reset_control_assert(data->rst); + clk_disable_unprepare(data->clk); clk_disable_unprepare(data->pclk); @@ -725,6 +727,8 @@ static int dw8250_runtime_resume(struct clk_prepare_enable(data->clk); + reset_control_deassert(data->rst); + return 0; }