linux-kernel - [PATCH 5.10 32/55] pinctrl: sunxi: sunxi_pconf

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Message-Id: <20220711090542.710329127@linuxfoundation.org>
Date:   Mon, 11 Jul 2022 11:07:20 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andrei Lalaev <andrey.lalaev@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 32/55] pinctrl: sunxi: sunxi_pconf_set: use correct offset

From: Andrei Lalaev <andrey.lalaev@...il.com>

[ Upstream commit cd4c1e65a32afd003b08ad4aafe1e4d3e4e8e61b ]

Some Allwinner SoCs have 2 pinctrls (PIO and R_PIO).
Previous implementation used absolute pin numbering and it was incorrect
for R_PIO pinctrl.
It's necessary to take into account the base pin number.

Fixes: 90be64e27621 ("pinctrl: sunxi: implement pin_config_set")
Signed-off-by: Andrei Lalaev <andrey.lalaev@...il.com>
Reviewed-by: Samuel Holland <samuel@...lland.org>
Link: https://lore.kernel.org/r/20220525190423.410609-1-andrey.lalaev@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/pinctrl/sunxi/pinctrl-sunxi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index be7f4f95f455..24c861434bf1 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -544,6 +544,8 @@ static int sunxi_pconf_set(struct pinctrl_dev *pctldev, unsigned pin,
 	struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
 	int i;
 
+	pin -= pctl->desc->pin_base;
+
 	for (i = 0; i < num_configs; i++) {
 		enum pin_config_param param;
 		unsigned long flags;
-- 
2.35.1