linux-kernel - Re: [PATCH] pinctrl: mediatek: common-v1: Fix EINT breakage on older controllers

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Message-ID: <c648c4f3-f20a-4255-93eb-69a80c695fa7@collabora.com>
Date: Tue, 15 Apr 2025 13:37:21 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Chen-Yu Tsai <wenst@...omium.org>, Sean Wang <sean.wang@...nel.org>,
 Linus Walleij <linus.walleij@...aro.org>,
 Matthias Brugger <matthias.bgg@...il.com>
Cc: linux-mediatek@...ts.infradead.org, linux-gpio@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 Uwe Kleine-König <u.kleine-koenig@...libre.com>,
 Hao Chang <ot_chhao.chang@...iatek.com>,
 Qingliang Li <qingliang.li@...iatek.com>
Subject: Re: [PATCH] pinctrl: mediatek: common-v1: Fix EINT breakage on older
 controllers

Il 15/04/25 13:23, Chen-Yu Tsai ha scritto:
> When EINT support for multiple addresses was introduced, the driver
> library for the older generations (pinctrl-mtk-common) was not fixed
> together. This resulted in invalid pointer accesses.
> 
> Fix up the filled in |struct mtk_eint| in pinctrl-mtk-common to match
> what is now expected by the mtk-eint library.
> 
> Reported-by: "Uwe Kleine-König" <u.kleine-koenig@...libre.com>
> Closes: https://lore.kernel.org/all/43nd5jxpk7b7fv46frqlfjnqfh5jlpqsemeoakqzd4wdi3df6y@w7ycd3k5ezvn/
> Fixes: 3ef9f710efcb ("pinctrl: mediatek: Add EINT support for multiple addresses")
> Cc: Hao Chang <ot_chhao.chang@...iatek.com>
> Cc: Qingliang Li <qingliang.li@...iatek.com>
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>