X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fohci-s3c2410.c;h=b350d45033e7e45de6109da134fa511458106345;hb=refs%2Fheads%2Fvserver;hp=372527a835930fcb51b236c0ba359c0e5aff629c;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index 372527a83..b350d4503 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -30,6 +30,7 @@
 /* clock device associated with the hcd */
 
 static struct clk *clk;
+static struct clk *usb_clk;
 
 /* forward definitions */
 
@@ -37,7 +38,7 @@ static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc);
 
 /* conversion functions */
 
-struct s3c2410_hcd_info *to_s3c2410_info(struct usb_hcd *hcd)
+static struct s3c2410_hcd_info *to_s3c2410_info(struct usb_hcd *hcd)
 {
 	return hcd->self.controller->platform_data;
 }
@@ -47,6 +48,10 @@ static void s3c2410_start_hc(struct platform_device *dev, struct usb_hcd *hcd)
 	struct s3c2410_hcd_info *info = dev->dev.platform_data;
 
 	dev_dbg(&dev->dev, "s3c2410_start_hc:\n");
+
+	clk_enable(usb_clk);
+	mdelay(2);			/* let the bus clock stabilise */
+
 	clk_enable(clk);
 
 	if (info != NULL) {
@@ -75,6 +80,7 @@ static void s3c2410_stop_hc(struct platform_device *dev)
 	}
 
 	clk_disable(clk);
+	clk_disable(usb_clk);
 }
 
 /* ohci_s3c2410_hub_status_data
@@ -158,7 +164,7 @@ static int ohci_s3c2410_hub_control (
 		"s3c2410_hub_control(%p,0x%04x,0x%04x,0x%04x,%p,%04x)\n",
 		hcd, typeReq, wValue, wIndex, buf, wLength);
 
-	/* if we are only an humble host without any special capabilites
+	/* if we are only an humble host without any special capabilities
 	 * process the request straight away and exit */
 
 	if (info == NULL) {
@@ -316,7 +322,8 @@ static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc)
  *
 */
 
-void usb_hcd_s3c2410_remove (struct usb_hcd *hcd, struct platform_device *dev)
+static void
+usb_hcd_s3c2410_remove (struct usb_hcd *hcd, struct platform_device *dev)
 {
 	usb_remove_hcd(hcd);
 	s3c2410_stop_hc(dev);
@@ -334,8 +341,8 @@ void usb_hcd_s3c2410_remove (struct usb_hcd *hcd, struct platform_device *dev)
  * through the hotplug entry's driver_data.
  *
  */
-int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
-			   struct platform_device *dev)
+static int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
+				  struct platform_device *dev)
 {
 	struct usb_hcd *hcd = NULL;
 	int retval;
@@ -353,14 +360,21 @@ int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
 		dev_err(&dev->dev, "request_mem_region failed");
 		retval = -EBUSY;
-		goto err0;
+		goto err_put;
 	}
 
-	clk = clk_get(NULL, "usb-host");
+	clk = clk_get(&dev->dev, "usb-host");
 	if (IS_ERR(clk)) {
 		dev_err(&dev->dev, "cannot get usb-host clock\n");
 		retval = -ENOENT;
-		goto err1;
+		goto err_mem;
+	}
+
+	usb_clk = clk_get(&dev->dev, "usb-bus-host");
+	if (IS_ERR(usb_clk)) {
+		dev_err(&dev->dev, "cannot get usb-host clock\n");
+		retval = -ENOENT;
+		goto err_clk;
 	}
 
 	s3c2410_start_hc(dev, hcd);
@@ -369,26 +383,29 @@ int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
 	if (!hcd->regs) {
 		dev_err(&dev->dev, "ioremap failed\n");
 		retval = -ENOMEM;
-		goto err2;
+		goto err_ioremap;
 	}
 
 	ohci_hcd_init(hcd_to_ohci(hcd));
 
-	retval = usb_add_hcd(hcd, dev->resource[1].start, SA_INTERRUPT);
+	retval = usb_add_hcd(hcd, dev->resource[1].start, IRQF_DISABLED);
 	if (retval != 0)
-		goto err2;
+		goto err_ioremap;
 
 	return 0;
 
- err2:
+ err_ioremap:
 	s3c2410_stop_hc(dev);
 	iounmap(hcd->regs);
+	clk_put(usb_clk);
+
+ err_clk:
 	clk_put(clk);
 
- err1:
+ err_mem:
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 
- err0:
+ err_put:
 	usb_put_hcd(hcd);
 	return retval;
 }
@@ -430,6 +447,7 @@ static const struct hc_driver ohci_s3c2410_hc_driver = {
 	 */
 	.start =		ohci_s3c2410_start,
 	.stop =			ohci_stop,
+	.shutdown =		ohci_shutdown,
 
 	/*
 	 * managing i/o requests and associated device resources
@@ -448,6 +466,7 @@ static const struct hc_driver ohci_s3c2410_hc_driver = {
 	 */
 	.hub_status_data =	ohci_s3c2410_hub_status_data,
 	.hub_control =		ohci_s3c2410_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
@@ -473,6 +492,7 @@ static int ohci_hcd_s3c2410_drv_remove(struct platform_device *pdev)
 static struct platform_driver ohci_hcd_s3c2410_driver = {
 	.probe		= ohci_hcd_s3c2410_drv_probe,
 	.remove		= ohci_hcd_s3c2410_drv_remove,
+	.shutdown	= usb_hcd_platform_shutdown,
 	/*.suspend	= ohci_hcd_s3c2410_drv_suspend, */
 	/*.resume	= ohci_hcd_s3c2410_drv_resume, */
 	.driver		= {