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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-04-25 12:58:55 +0100 |
|---|---|---|
| committer | Chris Ball <chris@printf.net> | 2014-05-22 07:26:32 -0400 |
| commit | 1771059cf5f9c09e37ef6315df8acf120f2642fc (patch) | |
| tree | 5d0a909b2834d01fd251697b25a5fb3a24ca222b /drivers/mmc/host/sdhci.c | |
| parent | 1650d0c71a209c7d6bdddda8a7e187c537ceb71a (diff) | |
| download | linux-1771059cf5f9c09e37ef6315df8acf120f2642fc.tar.gz linux-1771059cf5f9c09e37ef6315df8acf120f2642fc.tar.bz2 linux-1771059cf5f9c09e37ef6315df8acf120f2642fc.zip | |
mmc: sdhci: convert sdhci_set_clock() into a library function
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Markus Pargmann <mpa@pengutronix.de>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index d9b91fc17bb0..69e58d071b33 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1112,19 +1112,13 @@ static u16 sdhci_get_preset_value(struct sdhci_host *host) return preset; } -static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) +void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) { int div = 0; /* Initialized for compiler warning */ int real_div = div, clk_mul = 1; u16 clk = 0; unsigned long timeout; - if (host->ops->set_clock) { - host->ops->set_clock(host, clock); - if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) - return; - } - host->mmc->actual_clock = 0; sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); @@ -1221,6 +1215,7 @@ clock_set: clk |= SDHCI_CLOCK_CARD_EN; sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); } +EXPORT_SYMBOL_GPL(sdhci_set_clock); static int sdhci_set_power(struct sdhci_host *host, unsigned short power) { @@ -1439,7 +1434,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) sdhci_enable_preset_value(host, false); if (!ios->clock || ios->clock != host->clock) { - sdhci_set_clock(host, ios->clock); + host->ops->set_clock(host, ios->clock); host->clock = ios->clock; } @@ -1510,7 +1505,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); /* Re-enable SD Clock */ - sdhci_set_clock(host, host->clock); + host->ops->set_clock(host, host->clock); } @@ -1555,7 +1550,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) } /* Re-enable SD Clock */ - sdhci_set_clock(host, host->clock); + host->ops->set_clock(host, host->clock); } else sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); @@ -2129,7 +2124,7 @@ static void sdhci_tasklet_finish(unsigned long param) /* Some controllers need this kick or reset won't work here */ if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) /* This is to force an update */ - sdhci_set_clock(host, host->clock); + host->ops->set_clock(host, host->clock); /* Spec says we should do both at the same time, but Ricoh controllers do not like that. */ |