[v2,4/9] mmc: sdhci-sprd: Implement the get_max_timeout_count() interface
diff mbox series

Message ID 37b15ac756f9fca7c1f9382deb57648890bb141c.1559635435.git.baolin.wang@linaro.org
State New
Headers show
Series
  • Add SD host controller support for SC9860 platform
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Commit Message

(Exiting) Baolin Wang June 4, 2019, 8:14 a.m. UTC
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>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
---
 drivers/mmc/host/sdhci-sprd.c |    7 +++++++
 1 file changed, 7 insertions(+)

Patch
diff mbox series

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)