On Tue, Mar 14, 2023 at 02:31:46AM -0700, Lars-Peter Clausen wrote:
> The ltc2992 drivers uses a mutex and I2C bus access in its GPIO chip `set`
> and `get` implementation. This means these functions can sleep and the GPIO
> chip should set the `can_sleep` property to true.
>
> This will ensure that a warning is printed when trying to set or get the
> GPIO value from a context that potentially can't sleep.
>
> Fixes: 9ca26df1ba25 ("hwmon: (ltc2992) Add support for GPIOs.")
> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Applied.
Thanks,
Guenter
> ---
> drivers/hwmon/ltc2992.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/hwmon/ltc2992.c b/drivers/hwmon/ltc2992.c
> index 88514152d930..69341de397cb 100644
> --- a/drivers/hwmon/ltc2992.c
> +++ b/drivers/hwmon/ltc2992.c
> @@ -323,6 +323,7 @@ static int ltc2992_config_gpio(struct ltc2992_state *st)
> st->gc.label = name;
> st->gc.parent = &st->client->dev;
> st->gc.owner = THIS_MODULE;
> + st->gc.can_sleep = true;
> st->gc.base = -1;
> st->gc.names = st->gpio_names;
> st->gc.ngpio = ARRAY_SIZE(st->gpio_names);
