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| author | Daniel Mack <zonque@gmail.com> | 2012-02-19 13:20:33 +0100 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-03-27 12:19:56 -0400 |
| commit | d418ed87c4e3ecf45d42718c4ead91180997681f (patch) | |
| tree | 8da29767609df1b6eced0f1121a0f1e8325e3327 /drivers/mmc | |
| parent | b81cfc413047181a8f2599cacf927dc09a81a123 (diff) | |
| download | linux-stable-d418ed87c4e3ecf45d42718c4ead91180997681f.tar.gz linux-stable-d418ed87c4e3ecf45d42718c4ead91180997681f.tar.bz2 linux-stable-d418ed87c4e3ecf45d42718c4ead91180997681f.zip | |
ARM: OMAP: hsmmc: add max_freq field
External circuitry like level shifters may limit the maximum operation
speed of the hsmmc controller. Add a field to struct omap2_hsmmc_info
so boards can adjust the setting on demand.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/omap_hsmmc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index fd0c661bbad3..36e7f5bc58a3 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1912,8 +1912,12 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev) if (mmc_slot(host).vcc_aux_disable_is_sleep) mmc_slot(host).no_off = 1; - mmc->f_min = OMAP_MMC_MIN_CLOCK; - mmc->f_max = OMAP_MMC_MAX_CLOCK; + mmc->f_min = OMAP_MMC_MIN_CLOCK; + + if (pdata->max_freq > 0) + mmc->f_max = pdata->max_freq; + else + mmc->f_max = OMAP_MMC_MAX_CLOCK; spin_lock_init(&host->irq_lock); |