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| author |   Andy Shevchenko <ext-andriy.shevchenko@nokia.com> | 2011-05-06 12:14:05 +0300 |
|---|---|---|
| committer |   Chris Ball <cjb@laptop.org> | 2011-07-21 10:35:02 -0400 |
| commit | e0c7f99b863b485ad0cde371ea1f62ec8ff70c5d (patch) | |
| tree | 66b39be4541469ffab16d44debc63e1a4368f3f9 /drivers/mmc | |
| parent | mmc: omap_hsmmc: split duplicate code to calc_divisor() function (diff) | |
| download | linux-dev-e0c7f99b863b485ad0cde371ea1f62ec8ff70c5d.tar.xz linux-dev-e0c7f99b863b485ad0cde371ea1f62ec8ff70c5d.zip | |
mmc: omap_hsmmc: introduce start_clock and re-use stop_clock
There is similar code in two functions which enable the clock. Refactor
this code to omap_hsmmc_start_clock(). Re-use omap_hsmmc_stop_clock() in
omap_hsmmc_context_restore() as well.
Signed-off-by: Andy Shevchenko <ext-andriy.shevchenko@nokia.com>
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/omap_hsmmc.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 2840c7af02c2..2645bdc94dae 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -553,6 +553,15 @@ static void omap_hsmmc_gpio_free(struct omap_mmc_platform_data *pdata) } /* + * Start clock to the card + */ +static void omap_hsmmc_start_clock(struct omap_hsmmc_host *host) +{ + OMAP_HSMMC_WRITE(host->base, SYSCTL, + OMAP_HSMMC_READ(host->base, SYSCTL) | CEN); +} + +/* * Stop clock to the card */ static void omap_hsmmc_stop_clock(struct omap_hsmmc_host *host) @@ -693,8 +702,8 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host) break; } - OMAP_HSMMC_WRITE(host->base, SYSCTL, - OMAP_HSMMC_READ(host->base, SYSCTL) & ~CEN); + omap_hsmmc_stop_clock(host); + OMAP_HSMMC_WRITE(host->base, SYSCTL, (calc_divisor(ios) << 6) | (DTO << 16)); OMAP_HSMMC_WRITE(host->base, SYSCTL, @@ -705,8 +714,7 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host) && time_before(jiffies, timeout)) ; - OMAP_HSMMC_WRITE(host->base, SYSCTL, - OMAP_HSMMC_READ(host->base, SYSCTL) | CEN); + omap_hsmmc_start_clock(host); con = OMAP_HSMMC_READ(host->base, CON); if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) @@ -1684,8 +1692,7 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) && time_before(jiffies, timeout)) msleep(1); - OMAP_HSMMC_WRITE(host->base, SYSCTL, - OMAP_HSMMC_READ(host->base, SYSCTL) | CEN); + omap_hsmmc_start_clock(host); if (do_send_init_stream) send_init_stream(host); |