From: Shawn Guo <shawnguo2@yeah.net>
To: Alexander Stein <alexander.stein@ew.tq-group.com>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
Markus Niebel <Markus.Niebel@ew.tq-group.com>,
linux@ew.tq-group.com, devicetree@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] arm64: dts: imx8mp-tqma8mpql: fix LDO5 power off
Date: Fri, 22 Aug 2025 16:20:12 +0800 [thread overview]
Message-ID: <aKgoPGO_CXVrH57j@dragon> (raw)
In-Reply-To: <20250731091655.2453107-1-alexander.stein@ew.tq-group.com>
On Thu, Jul 31, 2025 at 11:16:52AM +0200, Alexander Stein wrote:
> From: Markus Niebel <Markus.Niebel@ew.tq-group.com>
>
> Fix SD card removal caused by automatic LDO5 power off after boot:
>
> LDO5: disabling
> mmc1: card 59b4 removed
> EXT4-fs (mmcblk1p2): shut down requested (2)
> Aborting journal on device mmcblk1p2-8.
> JBD2: I/O error when updating journal superblock for mmcblk1p2-8.
>
> To prevent this, add vqmmc regulator for USDHC, using a GPIO-controlled
> regulator that is supplied by LDO5. Since this is implemented on SoM but
> used on baseboards with SD-card interface, implement the functionality
> on SoM part and optionally enable it on baseboards if needed.
>
> Fixes: 418d1d840e42 ("arm64: dts: freescale: add initial device tree for TQMa8MPQL with i.MX8MP")
> Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Applied both, thanks!
prev parent reply other threads:[~2025-08-22 15:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-31 9:16 [PATCH 1/2] arm64: dts: imx8mp-tqma8mpql: fix LDO5 power off Alexander Stein
2025-07-31 9:16 ` [PATCH 2/2] arm64: dts: imx8mp-tqma8mpql: remove virtual 3.3V regulator Alexander Stein
2025-07-31 9:31 ` Ahmad Fatoum
2025-08-22 8:20 ` Shawn Guo [this message]
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