sdhci: allow for eMMC 74 clock generation by controller

Commit Message

Philip Rakity Sept. 21, 2010, 5:43 a.m. UTC

None

Patch

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 401527d..6aadd0f 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1168,6 +1168,9 @@  static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	else
 		sdhci_set_power(host, ios->vdd);
 
+	if (host->ops->platform_generate_initial_74_clocks)
+		host->ops->platform_generate_initial_74_clocks(host, ios->power_mode);
+
 	ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
 
 	if (ios->bus_width == MMC_BUS_WIDTH_8)
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index d316bc7..70c5806 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -323,6 +323,8 @@  struct sdhci_ops {
 	unsigned int	(*get_max_clock)(struct sdhci_host *host);
 	unsigned int	(*get_min_clock)(struct sdhci_host *host);
 	unsigned int	(*get_timeout_clock)(struct sdhci_host *host);
+	void		(*platform_generate_initial_74_clocks)(struct sdhci_host *host,
+				u8 power_mode);
 };
 
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS