Re: [PATCH 01/10] accel/amdxdna: Add a new driver for AMD AI Engine

[Markus Elfring]

…
> +++ b/drivers/accel/amdxdna/amdxdna_pci_drv.c
> @@ -0,0 +1,118 @@
…
> +static int amdxdna_probe(struct pci_dev *pdev, const struct pci_device_id *id)
> +{
…
> +	mutex_lock(&xdna->dev_lock);
> +	ret = xdna->dev_info->ops->init(xdna);
> +	mutex_unlock(&xdna->dev_lock);
…

Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&xdna->dev_lock);”?
https://elixir.bootlin.com/linux/v6.10-rc5/source/include/linux/mutex.h#L196

Regards,
Markus