Add a set_ios hook which is called when the SDHCI driver
is called to change parameters such as clock or card
width.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

Index: linux.git/drivers/mmc/host/sdhci.c
===================================================================
--- linux.git.orig/drivers/mmc/host/sdhci.c	2008-12-01 19:26:25.000000000 +0000
+++ linux.git/drivers/mmc/host/sdhci.c	2008-12-02 14:36:47.000000000 +0000
@@ -1038,6 +1038,9 @@ static void sdhci_set_ios(struct mmc_hos
 		sdhci_init(host);
 	}
 
+	if (host->ops->set_ios)
+		host->ops->set_ios(host, ios);
+
 	sdhci_set_clock(host, ios->clock);
 
 	if (ios->power_mode == MMC_POWER_OFF)
@@ -1615,11 +1618,12 @@ int sdhci_add_host(struct sdhci_host *ho
 	if (host->max_clk == 0) {
 		if (host->ops->get_max_clock)
 			host->max_clk = host->ops->get_max_clock(host);
-		else
+		else {
 			printk(KERN_ERR
 			       "%s: Hardware doesn't specify base clock "
 			       "frequency.\n", mmc_hostname(mmc));
-		return -ENODEV;
+			return -ENODEV;
+		}
 	}
 
 	host->timeout_clk =
@@ -1627,11 +1631,12 @@ int sdhci_add_host(struct sdhci_host *ho
 	if (host->timeout_clk == 0) {
 		if (host->ops->get_timeout_clock)
 			host->timeout_clk = host->ops->get_timeout_clock(host);
-		else
+		else {
 			printk(KERN_ERR
 			       "%s: Hardware doesn't specify timeout clock "
 			       "frequency.\n", mmc_hostname(mmc));
-		return -ENODEV;
+			return -ENODEV;
+		}
 	}
 	if (caps & SDHCI_TIMEOUT_CLK_UNIT)
 		host->timeout_clk *= 1000;
Index: linux.git/drivers/mmc/host/sdhci.h
===================================================================
--- linux.git.orig/drivers/mmc/host/sdhci.h	2008-12-01 19:17:55.000000000 +0000
+++ linux.git/drivers/mmc/host/sdhci.h	2008-12-02 14:36:39.000000000 +0000
@@ -269,6 +269,9 @@ struct sdhci_ops {
 	int		(*enable_dma)(struct sdhci_host *host);
 	unsigned int	(*get_max_clock)(struct sdhci_host *host);
 	unsigned int	(*get_timeout_clock)(struct sdhci_host *host);
+
+	void		(*set_ios)(struct sdhci_host *host,
+				   struct mmc_ios *ios);
 };
 
 

-- 
Ben (ben@fluff.org, http://www.fluff.org/)

  'a smiley only costs 4 bytes'
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/