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author | Baolin Wang <baolin.wang@linaro.org> | 2019-06-04 16:14:24 +0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-06 10:23:49 +0200 |
commit | 9ad0348f708d7b2ceead282f558a6a16a213d9b9 (patch) | |
tree | 9938000d7a26d397f46ba804c64678d47f02c2b7 /drivers/mmc | |
parent | d100666e3cfc93956a357b18941e493f265f85ec (diff) | |
download | linux-stable-9ad0348f708d7b2ceead282f558a6a16a213d9b9.tar.gz linux-stable-9ad0348f708d7b2ceead282f558a6a16a213d9b9.tar.bz2 linux-stable-9ad0348f708d7b2ceead282f558a6a16a213d9b9.zip |
mmc: sdhci-sprd: Implement the get_max_timeout_count() interface
[ 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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/host/sdhci-sprd.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c index 9d0f58a66527..1c5e6b77ca64 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) |