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From:   Nam Cao <namcao@linutronix.de>
To:     Emil Renner Berthing <kernel@esmil.dk>,
        Jianlong Huang <jianlong.huang@starfivetech.com>,
        Hal Feng <hal.feng@starfivetech.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Huan Feng <huan.feng@starfivetech.com>,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        Drew Fustini <drew@beagleboard.org>,
        linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org
Cc:     Nam Cao <namcao@linutronix.de>, stable@vger.kernel.org
Subject: [PATCH 1/2] pinctrl: starfive: jh7110: ignore disabled device tree nodes
Date:   Fri,  1 Dec 2023 10:23:28 +0100
Message-Id: <fd8bf044799ae50a6291ae150ef87b4f1923cacb.1701422582.git.namcao@linutronix.de>
MIME-Version: 1.0
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Precedence: bulk

The driver always registers pin configurations in device tree. This can
cause some inconvenience to users, as pin configurations in the base
device tree cannot be disabled in the device tree overlay, even when the
relevant devices are not used.

Ignore disabled pin configuration nodes in device tree.

Fixes: 447976ab62c5 ("pinctrl: starfive: Add StarFive JH7110 sys controller=
 driver")
Cc: stable@vger.kernel.org
Signed-off-by: Nam Cao <namcao@linutronix.de>
---
 drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c b/drivers/p=
inctrl/starfive/pinctrl-starfive-jh7110.c
index 640f827a9b2c..b4f799572689 100644
--- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c
+++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c
@@ -135,7 +135,7 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pc=
tldev,
 	int ret;
=20
 	ngroups =3D 0;
-	for_each_child_of_node(np, child)
+	for_each_available_child_of_node(np, child)
 		ngroups +=3D 1;
 	nmaps =3D 2 * ngroups;
=20
@@ -150,7 +150,7 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pc=
tldev,
 	nmaps =3D 0;
 	ngroups =3D 0;
 	mutex_lock(&sfp->mutex);
-	for_each_child_of_node(np, child) {
+	for_each_available_child_of_node(np, child) {
 		int npins =3D of_property_count_u32_elems(child, "pinmux");
 		int *pins;
 		u32 *pinmux;
--=20
2.39.2