linux-kernel - Re: [PATCH v2 0/3] mmc: sdhci-of-k1: add reset support

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Message-ID: <CAPDyKFo905ptdO-rSkiJ-ax2u=P_+EAJA30b14n=B4j9adaaKg@mail.gmail.com>
Date: Tue, 30 Dec 2025 16:33:27 +0100
From: Ulf Hansson <ulf.hansson@...aro.org>
To: Yixun Lan <dlan@...too.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>, 
	Philipp Zabel <p.zabel@...gutronix.de>, Paul Walmsley <pjw@...nel.org>, 
	Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
	Alexandre Ghiti <alex@...ti.fr>, Iker Pedrosa <ikerpedrosam@...il.com>, linux-mmc@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org, 
	spacemit@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] mmc: sdhci-of-k1: add reset support

On Tue, 23 Dec 2025 at 03:25, Yixun Lan <dlan@...too.org> wrote:
>
> This series try to add reset support explicitly to SpacemiT SDHCI controller.
> Previous it works well for eMMC due to it's already initialized at brom or
> bootloader phase.
>   The controller has two reset lines, one connect to AXI bus which shared by
> all controllers, while another one connect to individual controller separately.
>
> Signed-off-by: Yixun Lan <dlan@...too.org>
> ---
> Changes in v2:
> - To not break DT ABI, make the reset line request optional
> - Use devm_reset_control_get_optional() api
> - Link to v1: https://lore.kernel.org/r/20251221-07-k1-sdhci-reset-v1-0-6780af7fa6e7@gentoo.org
>
> ---
> Yixun Lan (3):
>       dt-bindings: mmc: spacemit,sdhci: add reset support
>       mmc: sdhci-of-k1: add reset support
>       riscv: dts: spacemit: sdhci: add reset support
>
>  .../devicetree/bindings/mmc/spacemit,sdhci.yaml      | 10 ++++++++++
>  arch/riscv/boot/dts/spacemit/k1.dtsi                 |  3 +++
>  drivers/mmc/host/sdhci-of-k1.c                       | 20 ++++++++++++++++++++
>  3 files changed, 33 insertions(+)
> ---
> base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
> change-id: 20251221-07-k1-sdhci-reset-1990d1170437
>
> Best regards,
> --
> Yixun Lan
>

Patch 1->2 applied for next, thanks!

Kind regards
Uffe