linux-kernel - Re: [PATCH 1/5] drivers: mmc: sdhci-cadence: SD6 controller support

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Date:   Mon, 19 Dec 2022 16:41:45 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Piyush Malgujar <pmalgujar@...vell.com>, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, adrian.hunter@...el.com,
        ulf.hansson@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, yamada.masahiro@...ionext.com,
        devicetree@...r.kernel.org
Cc:     jannadurai@...vell.com, cchavva@...vell.com,
        Dhananjay Kangude <dkangude@...ence.com>
Subject: Re: [PATCH 1/5] drivers: mmc: sdhci-cadence: SD6 controller support

On 19/12/2022 15:24, Piyush Malgujar wrote:
> From: Dhananjay Kangude <dkangude@...ence.com>
> 
> This patch includes changes done to support SD6 controller:

Do not use "This commit/patch".
https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95

> - Added SD6 related ops which are isolated from SD4
> - changes to support HS400, HS400ES emmc mode
> - Updated HS200 tuning values and support to read tune configuration
>   from FDT.
> - Support to configure host side drive strength and slew
>   and read it from device tree
> 


(...)

>  
> @@ -455,7 +1752,14 @@ static const struct of_device_id sdhci_cdns_match[] = {
>  		.compatible = "socionext,uniphier-sd4hc",
>  		.data = &sdhci_cdns_uniphier_pltfm_data,
>  	},
> -	{ .compatible = "cdns,sd4hc" },
> +	{
> +		.compatible = "cdns,sd4hc",
> +		.data = &sdhci_cdns_sd4_of_data,
> +	},
> +	{
> +		.compatible = "cdns,sd6hc",
> +		.data = &sdhci_cdns_sd6_of_data,
> +	},

Your bindings said something different - every sd4hc is compatible with
sd6hc.

Best regards,
Krzysztof