Re: [PATCH v3 2/2] drm/bridge: add support for lontium lt8713sx bridge driver

From: Markus Elfring
Date: Mon Dec 29 2025 - 07:40:29 EST



> +++ b/drivers/gpu/drm/bridge/lontium-lt8713sx.c
> @@ -0,0 +1,682 @@

> +static int lt8713sx_firmware_update(struct lt8713sx *lt8713sx)
> +{
> + int ret = 0;
> +
> + mutex_lock(&lt8713sx->ocm_lock);
> + lt8713sx_i2c_enable(lt8713sx);

> + mutex_unlock(&lt8713sx->ocm_lock);
> +
> + return ret;
> +}


Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&lt8713sx->ocm_lock);”?
https://elixir.bootlin.com/linux/v6.19-rc2/source/include/linux/mutex.h#L253

Regards,
Markus