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

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Message-ID: <konkbi4hvd7qc4rhokwrymzqntroy7gijk3ndwv5rluswdrykp@xsafrtrjzmuq>
Date: Mon, 4 Nov 2024 12:49:54 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Sarthak Garg <quic_sartgarg@...cinc.com>
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 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.

> 
> 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
> 

-- 
With best wishes
Dmitry