linux-kernel - Re: [PATCH v2 0/3] Set eMMC clock parent to default

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Message-ID: <20250429182244.vm2atpuvmdfhtmlc@bryanbrattlof.com>
Date: Tue, 29 Apr 2025 13:22:44 -0500
From: Bryan Brattlof <bb@...com>
To: Judith Mendez <jm@...com>
CC: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero
 Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Moteen Shah <m-shah@...com>,
        Udit Kumar
	<u-kumar1@...com>
Subject: Re: [PATCH v2 0/3] Set eMMC clock parent to default

On April 29, 2025 thus sayeth Judith Mendez:
> This series was split-off from "Misc MMC updates" patch series [0] and the
> original patch further divided into three to help with backporting as per
> review comments [1].
> 
> This series sets clock parent for eMMC to the default clock parent
> MAIN_PLL0_HSDIV5_CLKOUT for am62, am62a, & am62p/j722s SoCs. Software (DM)
> does not switch MMC clock parent correctly as per the Arasan IP requirement
> to hold the IP in reset while clock source is switched. Since muxes to
> switch clock parent are not glitch-free and the default parent is tested
> and working fine, switch to the default as a preventative action.
> 
> Changes since v1:
> - split original patch into three
> - add cover-letter
> - reword patch descriptions
> - add review tags
> 

Acked-by: Bryan Brattlof <bb@...com>

~Bryan

> [0] https://lore.kernel.org/linux-devicetree/20250417233040.3658761-1-jm@ti.com/
> [1] https://lore.kernel.org/linux-devicetree/20250429142825.bvrbpoc5iz32wh35@garment/
> 
> Link to v1:
> https://lore.kernel.org/linux-devicetree/20250429142333.4140010-1-jm@ti.com/
> 
> Judith Mendez (3):
>   arm64: dts: ti: k3-am62-main: Set eMMC clock parents to default
>   arm64: dts: ti: k3-am62a-main: Set eMMC clock parents to default
>   arm64: dts: ti: k3-am62p-j722s-common-main: Set eMMC clock parents to
>     default
> 
>  arch/arm64/boot/dts/ti/k3-am62-main.dtsi               | 2 --
>  arch/arm64/boot/dts/ti/k3-am62a-main.dtsi              | 2 --
>  arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi | 2 --
>  3 files changed, 6 deletions(-)
> 
> 
> base-commit: d864bb528a6725e775d564fd4430762acbb9dd0d
> -- 
> 2.49.0
>