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Date:   Thu, 13 Oct 2022 13:59:50 -0400
From:   Sasha Levin <sashal@kernel.org>
To:     Richard Acayan <mailingradian@gmail.com>
Cc:     linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        Bhupesh Sharma <bhupesh.sharma@linaro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Ulf Hansson <ulf.hansson@linaro.org>, agross@kernel.org,
        andersson@kernel.org, adrian.hunter@intel.com,
        linux-arm-msm@vger.kernel.org, linux-mmc@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 6.0 39/44] mmc: sdhci-msm: add compatible string
 check for sdm670
Message-ID: <Y0hSFl3Vqo1LCpNg@sashalap>
References: <20221009234932.1230196-1-sashal@kernel.org>
 <20221009234932.1230196-39-sashal@kernel.org>
 <20221010234353.228833-1-mailingradian@gmail.com>
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On Mon, Oct 10, 2022 at 07:43:53PM -0400, Richard Acayan wrote:
>> From: Richard Acayan <mailingradian@gmail.com>
>>
>> [ Upstream commit 4de95950d970c71a9e82a24573bb7a44fd95baa1 ]
>>
>> The Snapdragon 670 has the same quirk as Snapdragon 845 (needing to
>> restore the dll config). Add a compatible string check to detect the need
>> for this.
>>
>> Signed-off-by: Richard Acayan <mailingradian@gmail.com>
>> Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
>> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>> Link: https://lore.kernel.org/r/20220923014322.33620-3-mailingradian@gmail.com
>> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>> ---
>>  drivers/mmc/host/sdhci-msm.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
>> index dc2991422a87..3a091a387ecb 100644
>> --- a/drivers/mmc/host/sdhci-msm.c
>> +++ b/drivers/mmc/host/sdhci-msm.c
>> @@ -2441,6 +2441,7 @@ static const struct of_device_id sdhci_msm_dt_match[] = {
>>  	 */
>>  	{.compatible = "qcom,sdhci-msm-v4", .data = &sdhci_msm_mci_var},
>>  	{.compatible = "qcom,sdhci-msm-v5", .data = &sdhci_msm_v5_var},
>> +	{.compatible = "qcom,sdm670-sdhci", .data = &sdm845_sdhci_var},
>
>Supporting device trees which are invalid under 6.0 schema? It's not a bug fix,
>it's a feature.

Does this not enable hardware to work properly? We take quirks/device
enablement into stable tree as well.

-- 
Thanks,
Sasha