[PATCH v2 3/4] gpio: siul2-s32g2: add NXP S32G2/S32G3 SoCs support
Markus Elfring
Markus.Elfring at web.de
Sat Sep 14 09:40:07 PDT 2024
…
> +++ b/drivers/gpio/gpio-siul2-s32g2.c
> @@ -0,0 +1,581 @@
…
> +static void siul2_gpio_set_direction(struct siul2_gpio_dev *dev,
> + unsigned int gpio, int dir)
> +{
> + unsigned long flags;
> +
> + raw_spin_lock_irqsave(&dev->lock, flags);
…
> + raw_spin_unlock_irqrestore(&dev->lock, flags);
> +}
…
Under which circumstances would you become interested to apply a statement
like “guard(raw_spinlock_irqsave)(&dev->lock);”?
https://elixir.bootlin.com/linux/v6.11-rc7/source/include/linux/spinlock.h#L551
Regards,
Markus
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