linux-kernel - Re: [PATCH 08/12] mmc: sunxi: add support for R329 MMC controllers

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Date:   Wed, 4 May 2022 15:53:57 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     icenowy@...look.com
Cc:     Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andre Przywara <andre.przywara@....com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Icenowy Zheng <icenowy@...c.io>
Subject: Re: [PATCH 08/12] mmc: sunxi: add support for R329 MMC controllers

On Fri, 22 Apr 2022 at 17:42, <icenowy@...look.com> wrote:
>
> From: Icenowy Zheng <icenowy@...c.io>
>
> The two MMC controllers in Allwinner R329 have a mixed feature set
> comparing to the previous SoCs' ordinary MMC and eMMC controllers.
>
> Add support for them.
>
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>

Please repost this (and the DT patch) to linux-mmc, so I can pick them
up from the patch-tracker.

Kind regards
Uffe

> ---
>  drivers/mmc/host/sunxi-mmc.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
> index 0e8fbf4957d8..06934eef8be5 100644
> --- a/drivers/mmc/host/sunxi-mmc.c
> +++ b/drivers/mmc/host/sunxi-mmc.c
> @@ -1207,6 +1207,15 @@ static const struct sunxi_mmc_cfg sun50i_a100_emmc_cfg = {
>         .needs_new_timings = true,
>  };
>
> +static const struct sunxi_mmc_cfg sun50i_r329_cfg = {
> +       .idma_des_size_bits = 13,
> +       .idma_des_shift = 2,
> +       .clk_delays = NULL,
> +       .can_calibrate = true,
> +       .mask_data0 = true,
> +       .needs_new_timings = true,
> +};
> +
>  static const struct of_device_id sunxi_mmc_of_match[] = {
>         { .compatible = "allwinner,sun4i-a10-mmc", .data = &sun4i_a10_cfg },
>         { .compatible = "allwinner,sun5i-a13-mmc", .data = &sun5i_a13_cfg },
> @@ -1218,6 +1227,7 @@ static const struct of_device_id sunxi_mmc_of_match[] = {
>         { .compatible = "allwinner,sun50i-a64-emmc", .data = &sun50i_a64_emmc_cfg },
>         { .compatible = "allwinner,sun50i-a100-mmc", .data = &sun50i_a100_cfg },
>         { .compatible = "allwinner,sun50i-a100-emmc", .data = &sun50i_a100_emmc_cfg },
> +       { .compatible = "allwinner,sun50i-r329-mmc", .data = &sun50i_r329_cfg },
>         { /* sentinel */ }
>  };
>  MODULE_DEVICE_TABLE(of, sunxi_mmc_of_match);
> --
> 2.35.1
>