linux-kernel - Re: [PATCH V1] mmc: sdhci-msm: Enable MMC_CAP_AGGRESSIVE

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Message-ID: <10c90fee-ce7f-4034-9028-4252f19cb67f@quicinc.com>
Date: Fri, 15 Nov 2024 15:52:49 +0530
From: Sarthak Garg <quic_sartgarg@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson
	<ulf.hansson@...aro.org>, <linux-mmc@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_cang@...cinc.com>, <quic_nguyenb@...cinc.com>,
        <quic_rampraka@...cinc.com>, <quic_pragalla@...cinc.com>,
        <quic_sayalil@...cinc.com>, <quic_nitirawa@...cinc.com>,
        <quic_sachgupt@...cinc.com>, <quic_bhaskarv@...cinc.com>,
        <quic_narepall@...cinc.com>, <kernel@...cinc.com>
Subject: Re: [PATCH V1] mmc: sdhci-msm: Enable MMC_CAP_AGGRESSIVE_PM for
 qualcomm controllers



On 11/4/2024 4:19 PM, Dmitry Baryshkov wrote:
> On Mon, Nov 04, 2024 at 11:37:22AM +0530, Sarthak Garg wrote:
>> Enable MMC_CAP_AGGRESSIVE_PM for qualcomm controllers.
>> This enables runtime PM for eMMC/SD card.
> 
> Could you please mention, which platforms were tested with this patch?
> Note, upstream kernel supports a lot of platforms, including MSM8974, I
> think the oldest one, which uses SDHCI.
>

This was tested with qdu1000 platform.

>>
>> Signed-off-by: Sarthak Garg <quic_sartgarg@...cinc.com>
>> ---
>>   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 e00208535bd1..6657f7db1b8e 100644
>> --- a/drivers/mmc/host/sdhci-msm.c
>> +++ b/drivers/mmc/host/sdhci-msm.c
>> @@ -2626,6 +2626,7 @@ static int sdhci_msm_probe(struct platform_device *pdev)
>>   		goto clk_disable;
>>   	}
>>   
>> +	msm_host->mmc->caps |= MMC_CAP_AGGRESSIVE_PM;
>>   	msm_host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_RSP_BUSY;
>>   
>>   	/* Set the timeout value to max possible */
>> -- 
>> 2.17.1
>>
>