5.10-stable review patch. If anyone has any objections, please let me know.
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From: Bartosz Golaszewski bartosz.golaszewski@linaro.org
[ Upstream commit b5f8aa8d4bde0cf3e4595af5a536da337e5f1c78 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-wcd934x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-wcd934x.c b/drivers/gpio/gpio-wcd934x.c index cbbbd105a5a7b..26d70ac90933c 100644 --- a/drivers/gpio/gpio-wcd934x.c +++ b/drivers/gpio/gpio-wcd934x.c @@ -101,7 +101,7 @@ 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); }