Merge tag 'renesas-pinctrl-fixes-for-v6.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into fixes

pinctrl: renesas: Fixes for v6.9

  - Fix a dtbs_check warning on RZ/G3S,
  - Fix a lockdep warning on RZ/G2L.

Signed-off-by: Linus Walleij <[email protected]>

Author: linusw

Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml

@@ -120,7 +120,9 @@ additionalProperties:
         slew-rate: true
         gpio-hog: true
         gpios: true
+        input: true
         input-enable: true
+        output-enable: true
         output-high: true
         output-low: true
         line-name: true

drivers/pinctrl/renesas/pinctrl-rzg2l.c

@@ -2063,8 +2063,17 @@ static void rzg2l_gpio_irq_restore(struct rzg2l_pinctrl *pctrl)
 			continue;
 		}
 
-		if (!irqd_irq_disabled(data))
+		if (!irqd_irq_disabled(data)) {
+			unsigned long flags;
+
+			/*
+			 * This has to be atomically executed to protect against a concurrent
+			 * interrupt.
+			 */
+			raw_spin_lock_irqsave(&pctrl->lock.rlock, flags);
 			rzg2l_gpio_irq_enable(data);
+			raw_spin_unlock_irqrestore(&pctrl->lock.rlock, flags);
+		}
 	}
 }