| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.2 130/143] mmc: sdhci-sprd: Implement the get_max_timeout_count() interface | Date | Wed, 4 Sep 2019 19:54:33 +0200 |
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[ Upstream commit 7486831d7d6aebcf851f9a4bbe65080351d5c9fb ]
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> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.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 9d0f58a665276..1c5e6b77ca641 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 struct sdhci_ops sdhci_sprd_ops = { .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) -- 2.20.1
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