From mboxrd@z Thu Jan 1 00:00:00 1970 From: Baolin Wang Subject: [PATCH 4/9] mmc: sdhci-sprd: Implement the get_max_timeout_count() interface Date: Mon, 20 May 2019 18:11:57 +0800 Message-ID: References: Return-path: In-Reply-To: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.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 List-Id: devicetree@vger.kernel.org Implement the get_max_timeout_count() interface to set the Spredtrum SD host controller actual maximum timeout count. Signed-off-by: Baolin Wang --- 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