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From: Adrian Hunter <adrian.hunter@intel.com>
To: Zhoujie Wu <zjwu@marvell.com>,
	ulf.hansson@linaro.org, linux-mmc@vger.kernel.org
Cc: zmxu@marvell.com, jszhang@marvell.com, nadavh@marvell.com,
	xigu@marvell.com, dingwei@marvell.com, kostap@marvell.com,
	hannah@marvell.com, hongd@marvell.com, dougj@marvell.com,
	ygao@marvell.com, liuw@marvell.com,
	gregory.clement@free-electrons.com,
	thomas.petazzoni@free-electrons.com
Subject: Re: [PATCH] mmc: sdhci-xenon: ignore timing DDR52 in tuning
Date: Mon, 24 Jul 2017 13:47:20 +0300	[thread overview]
Message-ID: <46c596c6-238f-36ca-40b8-660341b225e2@intel.com> (raw)
In-Reply-To: <1500661858-17610-1-git-send-email-zjwu@marvell.com>

On 21/07/17 21:30, Zhoujie Wu wrote:
> Emmc DDR52 mode uses fixed delay, return earlier if
> timing is MMC_TIMING_MMC_DDR52 in execute tuning function.
> 
> Signed-off-by: Zhoujie Wu <zjwu@marvell.com>

Acked-by: Adrian Hunter <adrian.hunter@intel.com>

> ---
>  drivers/mmc/host/sdhci-xenon.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c
> index 6ef33aa..edd4d915 100644
> --- a/drivers/mmc/host/sdhci-xenon.c
> +++ b/drivers/mmc/host/sdhci-xenon.c
> @@ -311,7 +311,8 @@ static int xenon_execute_tuning(struct mmc_host *mmc, u32 opcode)
>  {
>  	struct sdhci_host *host = mmc_priv(mmc);
>  
> -	if (host->timing == MMC_TIMING_UHS_DDR50)
> +	if (host->timing == MMC_TIMING_UHS_DDR50 ||
> +		host->timing == MMC_TIMING_MMC_DDR52)
>  		return 0;
>  
>  	/*
> 


  reply	other threads:[~2017-07-24 10:54 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-21 18:30 [PATCH] mmc: sdhci-xenon: ignore timing DDR52 in tuning Zhoujie Wu
2017-07-24 10:47 ` Adrian Hunter [this message]
2017-07-27 14:49 ` Ulf Hansson

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