linux-kernel - [PATCH 06/20] pinctrl/rockchip: parse dt only if the fwnode is of node

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Date:   Tue, 20 Sep 2022 18:30:54 +0800
From:   Jianqun Xu <jay.xu@...k-chips.com>
To:     linus.walleij@...aro.org, heiko@...ech.de, brgl@...ev.pl,
        andriy.shevchenko@...ux.intel.com
Cc:     robert.moore@...el.com, robh@...nel.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        lenb@...nel.org, rafael@...nel.org,
        Jianqun Xu <jay.xu@...k-chips.com>
Subject: [PATCH 06/20] pinctrl/rockchip: parse dt only if the fwnode is of node

Check if the fwnode is a of node before parsing dt, otherwise return a
'0' to allow driver to continue.

Signed-off-by: Jianqun Xu <jay.xu@...k-chips.com>
---
 drivers/pinctrl/pinctrl-rockchip.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 42aa3552417a..7b8d3bff9721 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -3038,6 +3038,9 @@ static int rockchip_pinctrl_parse_dt(struct platform_device *pdev,
 	int ret;
 	int i;
 
+	if (!is_of_node(fwnode))
+		return 0;
+
 	rockchip_pinctrl_child_count(info, np);
 
 	dev_dbg(dev, "nfunctions = %d\n", info->nfunctions);
-- 
2.25.1