Commit 5a78d5db authored by Bartosz Golaszewski's avatar Bartosz Golaszewski
Browse files

gpio: sim: mark the GPIO chip as a one that can sleep 



Simulated chips use a mutex for synchronization in driver callbacks so
they must not be called from interrupt context. Set the can_sleep field
of the GPIO chip to true to force users to only use threaded irqs.

Fixes: cb8c474e ("gpio: sim: new testing module")
Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 6eaae198

drivers/gpio/gpio-sim.c

+1 −0
Original line number Diff line number Diff line
@@ -429,6 +429,7 @@ static int gpio_sim_add_bank(struct fwnode_handle *swnode, struct device *dev) 
	gc->set_config = gpio_sim_set_config;

	gc->to_irq = gpio_sim_to_irq;

	gc->free = gpio_sim_free;

	gc->can_sleep = true;



	ret = devm_gpiochip_add_data(dev, gc, chip);

	if (ret)