Re: [PATCH 1/2] staging: greybus: uart: fix style issues

From: Dan Carpenter

Date: Thu Feb 26 2026 - 03:01:20 EST


On Thu, Feb 26, 2026 at 12:08:35AM +0530, Shubham Chakraborty wrote:
> Fix checkpatch.pl warnings by adding comments to mutex and spinlocks,
> and fixing alignment to match open parenthesis.
>
> Signed-off-by: Shubham Chakraborty <chakrabortyshubham66@xxxxxxxxx>
> ---
> drivers/staging/greybus/uart.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c
> index 7d060b4cd33d..1d2c4ef70865 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;
> - spinlock_t write_lock;
> + spinlock_t read_lock; /* protects read operations */

This is really vague, but I wouldn't say it was accurate.

> + spinlock_t write_lock; /* protects write operations */

Also really vague. What does "operations" mean in this context?
But word "write" is correct at least.

> struct async_icount iocount;
> struct async_icount oldcount;
> wait_queue_head_t wioctl;
> - struct mutex mutex;
> + struct mutex mutex; /* serializes port operations */

This comment is doesn't really add any value.

regards,
dan carpenter