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Diffstat (limited to 'drivers/pinctrl/samsung/pinctrl-samsung.h')
-rw-r--r--drivers/pinctrl/samsung/pinctrl-samsung.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h
index aac16cc8362a..e571bbd7139b 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.h
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.h
@@ -227,6 +227,9 @@ struct samsung_retention_data {
* device suspend, see samsung_pinctrl_suspend()
* @resume: platform specific resume callback, executed during pin controller
* device suspend, see samsung_pinctrl_resume()
+ *
+ * External wakeup interrupts must define at least eint_wkup_init,
+ * retention_data and suspend in order for proper suspend/resume to work.
*/
struct samsung_pin_ctrl {
const struct samsung_pin_bank_data *pin_banks;