linux-kernel - [PATCH] pinctrl: mediatek: Fix new design debounce issue

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Message-ID: <20250422075216.14073-1-ot_chhao.chang@mediatek.com>
Date: Tue, 22 Apr 2025 15:52:05 +0800
From: Hao Chang <ot_chhao.chang@...iatek.com>
To: Sean Wang <sean.wang@...nel.org>, Linus Walleij
	<linus.walleij@...aro.org>, Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
CC: Wenbin Mei <wenbin.mei@...iatek.com>, Axe Yang <axe.yang@...iatek.com>,
	Qingliang Li <qingliang.li@...iatek.com>, Hanks Chen
	<hanks.chen@...iatek.com>, Chunhui Li <chunhui.li@...iatek.com>,
	<linux-mediatek@...ts.infradead.org>, <linux-gpio@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, "Hao
 Chang" <ot_chhao.chang@...iatek.com>
Subject: [PATCH] pinctrl: mediatek: Fix new design debounce issue

Calculate the true offset of eint according to index.

Fixes: 3ef9f710efcb ("pinctrl: mediatek: Add EINT support for multiple addresses")
Signed-off-by: Hao Chang <ot_chhao.chang@...iatek.com>
Signed-off-by: Qingliang Li <qingliang.li@...iatek.com>
---
 drivers/pinctrl/mediatek/mtk-eint.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/mediatek/mtk-eint.c b/drivers/pinctrl/mediatek/mtk-eint.c
index 557dec75fa03..be12ef1fd6b0 100644
--- a/drivers/pinctrl/mediatek/mtk-eint.c
+++ b/drivers/pinctrl/mediatek/mtk-eint.c
@@ -449,7 +449,7 @@ int mtk_eint_set_debounce(struct mtk_eint *eint, unsigned long eint_num,
 		return -EOPNOTSUPP;
 
 	virq = irq_find_mapping(eint->domain, eint_num);
-	eint_offset = (eint_num % 4) * 8;
+	eint_offset = (idx % 4) * 8;
 	d = irq_get_irq_data(virq);
 
 	set_offset = (idx / 4) * 4 + eint->regs->dbnc_set;
-- 
2.46.0