gpio: wcd934x: mark the GPIO controller as sleeping

The slimbus regmap passed to the GPIO driver down from MFD does not use
fast_io. This means a mutex is used for locking and thus this GPIO chip
must not be used in atomic context. Change the can_sleep switch in
struct gpio_chip to true.

Fixes: 59c324683400 ("gpio: wcd934x: Add support to wcd934x gpio controller")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-wcd934x.c b/drivers/gpio/gpio-wcd934x.c
index 4af504c23e6ff5ad2bad1d70a0c42e2fd91f0c7a..572b85e773700ea0740d3e4efc06d3538f7e368e 100644 (file)
--- a/drivers/gpio/gpio-wcd934x.c
+++ b/drivers/gpio/gpio-wcd934x.c
@@ -103,7 +103,7 @@ static int wcd_gpio_probe(struct platform_device *pdev)
        chip->base = -1;
        chip->ngpio = WCD934X_NPINS;
        chip->label = dev_name(dev);
-       chip->can_sleep = false;
+       chip->can_sleep = true;
 
        return devm_gpiochip_add_data(dev, chip, data);
 }