linux-kernel - [RFC PATCH 6/6] pinctrl: Check get_group

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Date:   Fri, 23 Jul 2021 17:28:58 +0930
From:   Andrew Jeffery <andrew@...id.au>
To:     linux-leds@...r.kernel.org, linux-gpio@...r.kernel.org
Cc:     clg@...d.org, robh+dt@...nel.org, joel@....id.au, pavel@....cz,
        linus.walleij@...aro.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH 6/6] pinctrl: Check get_group_pins callback on init

Do configurations exist where this doesn't make sense? I lost some time
to debugging the fact that I was missing the callback :(

Signed-off-by: Andrew Jeffery <andrew@...id.au>
---
 drivers/pinctrl/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index e4862552eb9b..4c436a419856 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -1994,7 +1994,8 @@ static int pinctrl_check_ops(struct pinctrl_dev *pctldev)
 
 	if (!ops ||
 	    !ops->get_groups_count ||
-	    !ops->get_group_name)
+	    !ops->get_group_name ||
+	    !ops->get_group_pins)
 		return -EINVAL;
 
 	return 0;
-- 
2.30.2