Re: [PATCH v5 0/8] mmc: sdhci-pxav2: Add support for PXA168

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On Mon, 16 Jan 2023 at 20:44, Doug Brown <doug@xxxxxxxxxxxxx> wrote:
>
> This is a revival of an earlier patch series from 2013 to add support
> for the PXA168 SDHC controller, with an additional SDIO IRQ errata fix.
> It also cleans up the clock naming to be consistent with the existing DT
> schema shared with the pxav3 driver (in a backwards-compatible way).
>
> Here is the original patch series this is based on:
> https://lore.kernel.org/linux-mmc/1363544206-3671-1-git-send-email-tanmay.upadhyay@xxxxxxxxxxxxxx/
>
> Note that I left out the platform_specific_completion and clock gating
> changes from the original patches. They both seemed controversial, and
> don't seem necessary based on my testing. I've been running this code on
> a PXA168 for months without any issues.
>
> Changes in v5:
> - Fix missing assignment to ret in core clock patch found by test robot
>
> Changes in v4:
> - Rebase on latest mmc/next to fix conflict with DT binding
>
> Changes in v3:
> - Use OF match data rather than of_match_device and of_device_is_compatible
> - Simplify some instances of pdev->dev that could have just been "dev"
> - Handle EPROBE_DEFER when getting the clock
> - Use devm_clk_get_optional_enabled for the core clock (it's simpler)
> - Clear sdio_mrq before calling mmc_request_done
> - Small tweaks to devicetree binding requested by Krzysztof
>
> Changes in v2:
> - Fix mistakes in devicetree binding
> - Use cleaner code for pxav1_readw suggested by Adrian
> - Switch to request_done() and irq() for SDIO workaround CMD0 handling
>
> Doug Brown (8):
>   mmc: sdhci-pxav2: add initial support for PXA168 V1 controller
>   mmc: sdhci-pxav2: enable CONFIG_MMC_SDHCI_IO_ACCESSORS
>   mmc: sdhci-pxav2: add register workaround for PXA168 silicon bug
>   mmc: sdhci-pxav2: change clock name to match DT bindings
>   mmc: sdhci-pxav2: add optional core clock
>   mmc: sdhci-pxav2: add SDIO card IRQ workaround for PXA168 V1
>     controller
>   mmc: sdhci-pxav2: add optional pinctrl for SDIO IRQ workaround
>   dt-bindings: mmc: sdhci-pxa: add pxav1
>
>  .../devicetree/bindings/mmc/sdhci-pxa.yaml    |  19 ++-
>  drivers/mmc/host/Kconfig                      |   1 +
>  drivers/mmc/host/sdhci-pxav2.c                | 154 ++++++++++++++++--
>  3 files changed, 160 insertions(+), 14 deletions(-)
>

Applied for next, thanks!

Kind regards
Uffe



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