linux-kernel - [PATCH 0/2] pinctrl: canaan: k230: Fix DT parsing and registration order

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Message-Id: <20250624-k230-return-check-v1-0-6b4fc5ba0c41@whut.edu.cn>
Date: Tue, 24 Jun 2025 00:11:12 +0800
From: Ze Huang <huangze@...t.edu.cn>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Ze Huang <18771902331@....com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Ze Huang <huangze@...t.edu.cn>, Yao Zi <ziyao@...root.org>
Subject: [PATCH 0/2] pinctrl: canaan: k230: Fix DT parsing and registration
 order

This patch set fixes two issues in the Canaan K230 pinctrl driver:

1. Adds a NULL check for the "pinmux" property in the device tree parser to
   prevent potential NULL pointer dereference, and fixes a typo in the
   match table comment.

2. Moves the DT parsing step before pinctrl registration to ensure that
   pin resources are fully initialized before being used.

Signed-off-by: Ze Huang <huangze@...t.edu.cn>
---
Ze Huang (2):
      pinctrl: canaan: k230: add NULL check in DT parse
      pinctrl: canaan: k230: Fix order of DT parse and pinctrl register

 drivers/pinctrl/pinctrl-k230.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)
---
base-commit: d9946fe286439c2aeaa7953b8c316efe5b83d515
change-id: 20250620-k230-return-check-d2ca51963064

Best regards,
-- 
Ze Huang <huangze@...t.edu.cn>