diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-04-25 12:58:50 +0100 |
|---|---|---|
| committer | Chris Ball <chris@printf.net> | 2014-05-22 07:26:31 -0400 |
| commit | 1650d0c71a209c7d6bdddda8a7e187c537ceb71a (patch) | |
| tree | aca71fbf4f02d1b6eacb3f6ce07d837dc2ab33ec /drivers/mmc | |
| parent | 373073efd06528867df963724a93f29c7d5534d0 (diff) | |
| download | linux-1650d0c71a209c7d6bdddda8a7e187c537ceb71a.tar.bz2 | |
mmc: sdhci: move setting mmc->actual_clock into set_clock handlers
Move the setting of mmc->actual_clock to zero into the set_clock
handlers themselves. This will allow us to clean up the calling
logic for the set_clock() method, and turn 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')
| -rw-r--r-- | drivers/mmc/host/sdhci-cns3xxx.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-of-esdhc.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-s3c.c | 4 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 4 |
5 files changed, 12 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c index f11fb908ad78..416f4a4c2e35 100644 --- a/drivers/mmc/host/sdhci-cns3xxx.c +++ b/drivers/mmc/host/sdhci-cns3xxx.c @@ -30,6 +30,8 @@ static void sdhci_cns3xxx_set_clock(struct sdhci_host *host, unsigned int clock) u16 clk; unsigned long timeout; + host->mmc->actual_clock = 0; + sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); if (clock == 0) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 1e68a77c9987..ce8939ff97a4 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -600,6 +600,8 @@ static inline void esdhc_pltfm_set_clock(struct sdhci_host *host, u32 temp, val; if (clock == 0) { + host->mmc->actual_clock = 0; + if (esdhc_is_usdhc(imx_data)) { val = readl(host->ioaddr + ESDHC_VENDOR_SPEC); writel(val & ~ESDHC_VENDOR_SPEC_FRC_SDCLK_ON, diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index d814b3ecb1f7..c4f8cd3f83c8 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -199,11 +199,12 @@ static unsigned int esdhc_of_get_min_clock(struct sdhci_host *host) static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock) { - int pre_div = 2; int div = 1; u32 temp; + host->mmc->actual_clock = 0; + if (clock == 0) return; diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 269c3fd8b740..9d710b748b9c 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -158,6 +158,8 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock) int src; u32 ctrl; + host->mmc->actual_clock = 0; + /* don't bother if the clock is going off. */ if (clock == 0) return; @@ -292,6 +294,8 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock) unsigned long timeout; u16 clk = 0; + host->mmc->actual_clock = 0; + /* If the clock is going off, set to 0 at clock control register */ if (clock == 0) { sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 68269bf38e0c..d9b91fc17bb0 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1119,14 +1119,14 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) u16 clk = 0; unsigned long timeout; - host->mmc->actual_clock = 0; - 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); if (clock == 0) |