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mmc: sdhci-sprd: Implement the get_max_timeout_count() interface 

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>
This commit is contained in:
Baolin Wang 2019-06-04 16:14:24 +08:00 committed by Ulf Hansson
parent ebd88a38db
commit 7486831d7d
1 changed files with 7 additions and 0 deletions
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7
drivers/mmc/host/sdhci-sprd.c
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@ -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)