X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fmmc%2Fsdhci.c;h=cd98117632d38e66687ad8aa91185c5dccf9a067;hb=4d2d3cec1da18123b301270381eb748e5ba4f638;hp=20711acb01201e67828aa8edaea076c3ab70cf58;hpb=97d41e90fe61399b99d74820cb7f2d6e0fbac91d;p=mv-sheeva.git

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 20711acb012..cd98117632d 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -616,6 +616,7 @@ static void sdhci_finish_command(struct sdhci_host *host)
 static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
 {
 	int div;
+	u8 ctrl;
 	u16 clk;
 	unsigned long timeout;
 
@@ -624,6 +625,13 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
 
 	writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL);
 
+	ctrl = readb(host->ioaddr + SDHCI_HOST_CONTROL);
+	if (clock > 25000000)
+		ctrl |= SDHCI_CTRL_HISPD;
+	else
+		ctrl &= ~SDHCI_CTRL_HISPD;
+	writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
+
 	if (clock == 0)
 		goto out;
 
@@ -784,7 +792,7 @@ static int sdhci_get_ro(struct mmc_host *mmc)
 	return !(present & SDHCI_WRITE_PROTECT);
 }
 
-static struct mmc_host_ops sdhci_ops = {
+static const struct mmc_host_ops sdhci_ops = {
 	.request	= sdhci_request,
 	.set_ios	= sdhci_set_ios,
 	.get_ro		= sdhci_get_ro,
@@ -985,7 +993,7 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 	}
 }
 
-static irqreturn_t sdhci_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t sdhci_irq(int irq, void *dev_id)
 {
 	irqreturn_t result;
 	struct sdhci_host* host = dev_id;
@@ -1291,6 +1299,13 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
 	else if (caps & SDHCI_CAN_VDD_180)
 		mmc->ocr_avail |= MMC_VDD_17_18|MMC_VDD_18_19;
 
+	if ((host->max_clk > 25000000) && !(caps & SDHCI_CAN_DO_HISPD)) {
+		printk(KERN_ERR "%s: Controller reports > 25 MHz base clock,"
+			" but no high speed support.\n",
+			host->slot_descr);
+		mmc->f_max = 25000000;
+	}
+
 	if (mmc->ocr_avail == 0) {
 		printk(KERN_ERR "%s: Hardware doesn't report any "
 			"support voltages.\n", host->slot_descr);
@@ -1329,7 +1344,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
 	tasklet_init(&host->finish_tasklet,
 		sdhci_tasklet_finish, (unsigned long)host);
 
-	setup_timer(&host->timer, sdhci_timeout_timer, (long)host);
+	setup_timer(&host->timer, sdhci_timeout_timer, (unsigned long)host);
 
 	ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED,
 		host->slot_descr, host);