serial: msm: add lock annotation to msm_set_baud_rate()

Message ID 20230109152212.343476-1-krzysztof.kozlowski@linaro.org
State New
Headers
Series serial: msm: add lock annotation to msm_set_baud_rate() |

Commit Message

Krzysztof Kozlowski Jan. 9, 2023, 3:22 p.m. UTC
  msm_set_baud_rate() releases and re-acquires the port->lock, thus add
lock annotation for Sparse static code checks.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/tty/serial/msm_serial.c | 1 +
 1 file changed, 1 insertion(+)
  

Patch

diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 7dd19a281579..44e1e83127ac 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -1125,6 +1125,7 @@  msm_find_best_baud(struct uart_port *port, unsigned int baud,
 
 static int msm_set_baud_rate(struct uart_port *port, unsigned int baud,
 			     unsigned long *saved_flags)
+	__must_hold(&port->lock)
 {
 	unsigned int rxstale, watermark, mask;
 	struct msm_port *msm_port = to_msm_port(port);