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path: root/drivers/mmc/host/sdhci.c
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Diffstat (limited to 'drivers/mmc/host/sdhci.c')
-rw-r--r--drivers/mmc/host/sdhci.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 7f7f45b4b07..38a78743fc5 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -591,6 +591,9 @@ static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_data *data)
target_timeout = data->timeout_ns / 1000 +
data->timeout_clks / host->clock;
+ if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)
+ host->timeout_clk = host->clock / 1000;
+
/*
* Figure out needed cycles.
* We do this in steps in order to fit inside a 32 bit int.
@@ -1757,13 +1760,15 @@ int sdhci_add_host(struct sdhci_host *host)
host->timeout_clk =
(caps & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT;
if (host->timeout_clk == 0) {
- if (!host->ops->get_timeout_clock) {
+ if (host->ops->get_timeout_clock) {
+ host->timeout_clk = host->ops->get_timeout_clock(host);
+ } else if (!(host->quirks &
+ SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) {
printk(KERN_ERR
"%s: Hardware doesn't specify timeout clock "
"frequency.\n", mmc_hostname(mmc));
return -ENODEV;
}
- host->timeout_clk = host->ops->get_timeout_clock(host);
}
if (caps & SDHCI_TIMEOUT_CLK_UNIT)
host->timeout_clk *= 1000;