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From: Baolin Wang <baolin.wang@linaro.org>
To: adrian.hunter@intel.com, 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: baolin.wang@linaro.org, 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: [PATCH 4/9] mmc: sdhci-sprd: Implement the get_max_timeout_count() interface
Date: Mon, 20 May 2019 18:11:57 +0800	[thread overview]
Message-ID: <ae6e23d4de6bb25cd697412f1402036d5ecc9843.1558346019.git.baolin.wang@linaro.org> (raw)
In-Reply-To: <cover.1558346019.git.baolin.wang@linaro.org>
In-Reply-To: <cover.1558346019.git.baolin.wang@linaro.org>

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>
---
 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)
-- 
1.7.9.5


  parent reply	other threads:[~2019-05-20 10:12 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 ` Baolin Wang [this message]
2019-06-03 12:34   ` [PATCH 4/9] mmc: sdhci-sprd: Implement the get_max_timeout_count() interface Adrian Hunter
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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