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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-08-01 22:09:51 +0300
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-08-03 16:50:35 +0300
commit5a78d5db9c90c9dc84212f40a5f2687b7cafc8ec (patch)
tree6d7a1b4a5b302f8221f9d97c48e1022b69a8e908 /drivers/gpio
parent6eaae198076080886b9e7d57f4ae06fa782f90ef (diff)
downloadlinux-5a78d5db9c90c9dc84212f40a5f2687b7cafc8ec.tar.xz
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: cb8c474e79be ("gpio: sim: new testing module") Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-sim.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c
index 8b49b0abacd5..f1f6f1c32987 100644
--- a/drivers/gpio/gpio-sim.c
+++ b/drivers/gpio/gpio-sim.c
@@ -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)