diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-04-25 13:59:26 +0200 |
|---|---|---|
| committer | Chris Ball <chris@printf.net> | 2014-05-22 14:33:11 +0200 |
| commit | 96d7b78cfc2fd6b1539704e2d33239dbaa097cc4 (patch) | |
| tree | e29d9cc9bbf57aa5f4941cd2d4534bd39130ade4 /drivers/mmc/host/sdhci.c | |
| parent | mmc: sdhci: set_uhs_signaling() need not return a value (diff) | |
| download | linux-96d7b78cfc2fd6b1539704e2d33239dbaa097cc4.tar.xz linux-96d7b78cfc2fd6b1539704e2d33239dbaa097cc4.zip | |
mmc: sdhci: convert sdhci_set_uhs_signaling() into a library function
Add sdhci_set_uhs_signaling() and always call the set_uhs_signaling
method. This avoids quirks being added into sdhci_set_uhs_signaling().
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>
[Ulf Hansson] Resolved conflict
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 | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 69e58d071b33..0073aae0adcb 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1404,6 +1404,29 @@ void sdhci_set_bus_width(struct sdhci_host *host, int width) } EXPORT_SYMBOL_GPL(sdhci_set_bus_width); +void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing) +{ + u16 ctrl_2; + + ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); + /* Select Bus Speed Mode for host */ + ctrl_2 &= ~SDHCI_CTRL_UHS_MASK; + if ((timing == MMC_TIMING_MMC_HS200) || + (timing == MMC_TIMING_UHS_SDR104)) + ctrl_2 |= SDHCI_CTRL_UHS_SDR104; + else if (timing == MMC_TIMING_UHS_SDR12) + ctrl_2 |= SDHCI_CTRL_UHS_SDR12; + else if (timing == MMC_TIMING_UHS_SDR25) + ctrl_2 |= SDHCI_CTRL_UHS_SDR25; + else if (timing == MMC_TIMING_UHS_SDR50) + ctrl_2 |= SDHCI_CTRL_UHS_SDR50; + else if ((timing == MMC_TIMING_UHS_DDR50) || + (timing == MMC_TIMING_MMC_DDR52)) + ctrl_2 |= SDHCI_CTRL_UHS_DDR50; + sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); +} +EXPORT_SYMBOL_GPL(sdhci_set_uhs_signaling); + static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) { unsigned long flags; @@ -1514,26 +1537,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) clk &= ~SDHCI_CLOCK_CARD_EN; sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); - if (host->ops->set_uhs_signaling) - host->ops->set_uhs_signaling(host, ios->timing); - else { - ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); - /* Select Bus Speed Mode for host */ - ctrl_2 &= ~SDHCI_CTRL_UHS_MASK; - if ((ios->timing == MMC_TIMING_MMC_HS200) || - (ios->timing == MMC_TIMING_UHS_SDR104)) - ctrl_2 |= SDHCI_CTRL_UHS_SDR104; - else if (ios->timing == MMC_TIMING_UHS_SDR12) - ctrl_2 |= SDHCI_CTRL_UHS_SDR12; - else if (ios->timing == MMC_TIMING_UHS_SDR25) - ctrl_2 |= SDHCI_CTRL_UHS_SDR25; - else if (ios->timing == MMC_TIMING_UHS_SDR50) - ctrl_2 |= SDHCI_CTRL_UHS_SDR50; - else if ((ios->timing == MMC_TIMING_UHS_DDR50) || - (ios->timing == MMC_TIMING_MMC_DDR52)) - ctrl_2 |= SDHCI_CTRL_UHS_DDR50; - sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); - } + host->ops->set_uhs_signaling(host, ios->timing); if (!(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN) && ((ios->timing == MMC_TIMING_UHS_SDR12) || |