diff options
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index f5b2bb4b4d98..16516c528a88 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -401,10 +401,14 @@ static u32 dw_mci_prep_stop_abort(struct dw_mci *host, struct mmc_command *cmd) static inline void dw_mci_set_cto(struct dw_mci *host) { unsigned int cto_clks; + unsigned int cto_div; unsigned int cto_ms; cto_clks = mci_readl(host, TMOUT) & 0xff; - cto_ms = DIV_ROUND_UP(cto_clks, host->bus_hz / 1000); + cto_div = (mci_readl(host, CLKDIV) & 0xff) * 2; + if (cto_div == 0) + cto_div = 1; + cto_ms = DIV_ROUND_UP(MSEC_PER_SEC * cto_clks * cto_div, host->bus_hz); /* add a bit spare time */ cto_ms += 10; |