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| author | Juha Yrjola <juha.yrjola@solidboot.com> | 2008-03-26 16:09:16 -0400 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2008-04-18 20:05:29 +0200 |
| commit | b8f9f0e90a6c3fb999d00301f45bb2213dbe8c00 (patch) | |
| tree | 1b267da4641dc1bd000491601d198fe85bca677b | |
| parent | a914ded23565d8688e2b7e435916630def5bdd19 (diff) | |
| download | op-kernel-dev-b8f9f0e90a6c3fb999d00301f45bb2213dbe8c00.zip op-kernel-dev-b8f9f0e90a6c3fb999d00301f45bb2213dbe8c00.tar.gz | |
MMC: OMAP: Fix timeout calculation for MMC multislot support
Fix the data timeout calculation for MMC multislot support.
Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Signed-off-by: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
| -rw-r--r-- | drivers/mmc/host/omap.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 90e9d68..0d3cd3c 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -861,13 +861,12 @@ static inline void set_cmd_timeout(struct mmc_omap_host *host, struct mmc_reques static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_request *req) { - int timeout; + unsigned int timeout, cycle_ns; u16 reg; - /* Convert ns to clock cycles by assuming 20MHz frequency - * 1 cycle at 20MHz = 500 ns - */ - timeout = req->data->timeout_clks + req->data->timeout_ns / 500; + cycle_ns = 1000000000 / host->current_slot->fclk_freq; + timeout = req->data->timeout_ns / cycle_ns; + timeout += req->data->timeout_clks; /* Check if we need to use timeout multiplier register */ reg = OMAP_MMC_READ(host, SDIO); |
