From: Andi Shyti <andi.shyti@kernel.org>
To: rva333@protonmail.com
Cc: Qii Wang <qii.wang@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, stable@vger.kernel.org
Subject: Re: [PATCH v2] i2c: mediatek: fix WRRD for SoCs without auto_restart option
Date: Wed, 15 Jul 2026 00:25:52 +0200 [thread overview]
Message-ID: <ala3XZ1Jw_M8sZlt@zenone.zhora.eu> (raw)
In-Reply-To: <20260709-6572-6595-i2c-v2-1-b2fb8510d1d3@protonmail.com>
Hi Roman,
On Thu, Jul 09, 2026 at 04:31:29PM +0300, Roman Vivchar via B4 Relay wrote:
> From: Roman Vivchar <rva333@protonmail.com>
>
> MediaTek mt65xx family SoCs have no auto restart, however, they still
> support the WRRD mode in the hardware. Because auto_restart is set to 0,
> the WRRD mode will be never enabled, leading to read errors.
>
> Fix this by removing auto_restart check from the WRRD enable path.
>
> Fixes: b49218365280 ("i2c: mediatek: fix potential incorrect use of I2C_MASTER_WRRD")
> Cc: stable@vger.kernel.org
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> Signed-off-by: Roman Vivchar <rva333@protonmail.com>
merged to i2c/i2c-fixes.
Thanks,
Andi
prev parent reply other threads:[~2026-07-14 22:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-09 13:31 [PATCH v2] i2c: mediatek: fix WRRD for SoCs without auto_restart option Roman Vivchar via B4 Relay
2026-07-14 22:25 ` Andi Shyti [this message]
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