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From: Adrian Hunter <adrian.hunter@intel.com>
To: Baolin Wang <baolin.wang@linaro.org>,
	ulf.hansson@linaro.org, zhang.lyra@gmail.com,
	orsonzhai@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com,
	arnd@arndb.de, olof@lixom.net
Cc: vincent.guittot@linaro.org, arm@kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 4/9] mmc: sdhci-sprd: Implement the get_max_timeout_count() interface
Date: Mon, 3 Jun 2019 15:34:38 +0300	[thread overview]
Message-ID: <ed5bdd08-7227-4d55-23de-e78e15d315c7@intel.com> (raw)
In-Reply-To: <ae6e23d4de6bb25cd697412f1402036d5ecc9843.1558346019.git.baolin.wang@linaro.org>

On 20/05/19 1:11 PM, Baolin Wang wrote:
> Implement the get_max_timeout_count() interface to set the Spredtrum SD
> host controller actual maximum timeout count.
> 
> Signed-off-by: Baolin Wang <baolin.wang@linaro.org>

Seems surprising that there isn't a custom ->set_timeout() as well.
Nevertheless:

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

> ---
>  drivers/mmc/host/sdhci-sprd.c |    7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
> index 31ba7d6..d91281d 100644
> --- a/drivers/mmc/host/sdhci-sprd.c
> +++ b/drivers/mmc/host/sdhci-sprd.c
> @@ -285,6 +285,12 @@ static void sdhci_sprd_hw_reset(struct sdhci_host *host)
>  	usleep_range(300, 500);
>  }
>  
> +static unsigned int sdhci_sprd_get_max_timeout_count(struct sdhci_host *host)
> +{
> +	/* The Spredtrum controller actual maximum timeout count is 1 << 31 */
> +	return 1 << 31;
> +}
> +
>  static struct sdhci_ops sdhci_sprd_ops = {
>  	.read_l = sdhci_sprd_readl,
>  	.write_l = sdhci_sprd_writel,
> @@ -296,6 +302,7 @@ static void sdhci_sprd_hw_reset(struct sdhci_host *host)
>  	.reset = sdhci_reset,
>  	.set_uhs_signaling = sdhci_sprd_set_uhs_signaling,
>  	.hw_reset = sdhci_sprd_hw_reset,
> +	.get_max_timeout_count = sdhci_sprd_get_max_timeout_count,
>  };
>  
>  static void sdhci_sprd_request(struct mmc_host *mmc, struct mmc_request *mrq)
> 


  reply	other threads:[~2019-06-03 12:35 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-20 10:11 [PATCH 0/9] Add SD host controller support for SC9860 platform Baolin Wang
2019-05-20 10:11 ` [PATCH 1/9] mmc: sdhci-sprd: Check the enable clock's return value correctly Baolin Wang
2019-06-03 12:09   ` Adrian Hunter
2019-05-20 10:11 ` [PATCH 2/9] dt-bindings: mmc: sprd: Add another optional clock documentation Baolin Wang
2019-06-03 13:34   ` Ulf Hansson
2019-06-04  2:33     ` Baolin Wang
2019-06-04  6:52       ` Ulf Hansson
2019-05-20 10:11 ` [PATCH 3/9] mmc: sdhci-sprd: Add optional gate clock support Baolin Wang
2019-06-03 12:20   ` Adrian Hunter
2019-05-20 10:11 ` [PATCH 4/9] mmc: sdhci-sprd: Implement the get_max_timeout_count() interface Baolin Wang
2019-06-03 12:34   ` Adrian Hunter [this message]
2019-06-04  8:03     ` Baolin Wang
2019-05-20 10:11 ` [PATCH 5/9] mmc: sdhci-sprd: Add HS400 enhanced strobe mode Baolin Wang
2019-06-03 12:39   ` Adrian Hunter
2019-05-20 10:11 ` [PATCH 6/9] mmc: sdhci-sprd: Enable PHY DLL to make clock stable Baolin Wang
2019-06-03 12:40   ` Adrian Hunter
2019-05-20 10:12 ` [PATCH 7/9] dt-bindings: mmc: sprd: Add PHY DLL delay documentation Baolin Wang
2019-05-20 10:12 ` [PATCH 8/9] mmc: sdhci-sprd: Add PHY DLL delay configuration Baolin Wang
2019-06-03 13:01   ` Adrian Hunter
2019-06-04  2:18     ` Baolin Wang
2019-05-20 10:12 ` [PATCH 9/9] arm64: dts: sprd: Add Spreadtrum SD host controller support Baolin Wang
2019-06-03  8:41 ` [PATCH 0/9] Add SD host controller support for SC9860 platform Baolin Wang
2019-06-04  7:13   ` Ulf Hansson
2019-06-04  7:21     ` Baolin Wang

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