Replace vague lock comments with specific descriptions of what data each lock protects: - read_lock: protects iocount and oldcount - write_lock: protects write_fifo and credits - mutex: protects disconnected state
Signed-off-by: Shubham Chakraborty chakrabortyshubham66@gmail.com --- drivers/staging/greybus/uart.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c index fe554eba555a..1e51818e34a8 100644 --- a/drivers/staging/greybus/uart.c +++ b/drivers/staging/greybus/uart.c @@ -50,12 +50,12 @@ struct gb_tty { unsigned int minor; unsigned char clocal; bool disconnected; - spinlock_t read_lock; /* protects read operations */ - spinlock_t write_lock; /* protects write operations */ + spinlock_t read_lock; /* protects iocount and oldcount */ + spinlock_t write_lock; /* protects write_fifo and credits */ struct async_icount iocount; struct async_icount oldcount; wait_queue_head_t wioctl; - struct mutex mutex; /* serializes port operations */ + struct mutex mutex; /* protects disconnected state */ u8 ctrlin; /* input control lines */ u8 ctrlout; /* output control lines */ struct gb_uart_set_line_coding_request line_coding;