openwrt-xburst/target/linux/brcm47xx/patches-2.6.37/023-usb_ehci_ohci.patch

--- a/drivers/usb/host/ohci-ssb.c
+++ b/drivers/usb/host/ohci-ssb.c
@@ -17,6 +17,8 @@
  */
 #include <linux/ssb/ssb.h>
 
+extern int ssb_ehci_attach(struct ssb_device *dev, struct usb_hcd **hcd);
+extern void ssb_ehci_detach(struct ssb_device *dev, struct usb_hcd *hcd);
 
 #define SSB_OHCI_TMSLOW_HOSTMODE	(1 << 29)
 
@@ -24,6 +26,9 @@ struct ssb_ohci_device {
 	struct ohci_hcd ohci; /* _must_ be at the beginning. */
 
 	u32 enable_flags;
+#ifdef CONFIG_USB_EHCI_HCD_SSB
+	struct usb_hcd *ehci_hcd;
+#endif
 };
 
 static inline
@@ -92,6 +97,9 @@ static const struct hc_driver ssb_ohci_h
 static void ssb_ohci_detach(struct ssb_device *dev)
 {
 	struct usb_hcd *hcd = ssb_get_drvdata(dev);
+#ifdef CONFIG_USB_EHCI_HCD_SSB
+	struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
+#endif
 
 	if (hcd->driver->shutdown)
 		hcd->driver->shutdown(hcd);
@@ -99,6 +107,14 @@ static void ssb_ohci_detach(struct ssb_d
 	iounmap(hcd->regs);
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 	usb_put_hcd(hcd);
+
+#ifdef CONFIG_USB_EHCI_HCD_SSB
+	/*
+ 	 * Also detach ehci function
+	 */
+	if (dev->id.coreid == SSB_DEV_USB20_HOST)
+		ssb_ehci_detach(dev, ohcidev->ehci_hcd);
+#endif
 	ssb_device_disable(dev, 0);
 }
 
@@ -121,6 +137,9 @@ static int ssb_ohci_attach(struct ssb_de
 		/*
 		 * USB 2.0 special considerations:
 		 *
+		 * Since the core supports both OHCI and EHCI functions, 
+		 * it must only be reset once.
+		 *
 		 * In addition to the standard SSB reset sequence, the Host
 		 * Control Register must be programmed to bring the USB core
 		 * and various phy components out of reset.
@@ -175,6 +194,14 @@ static int ssb_ohci_attach(struct ssb_de
 
 	ssb_set_drvdata(dev, hcd);
 
+#ifdef CONFIG_USB_EHCI_HCD_SSB
+	/*
+	 *  attach ehci function in this core
+	 */
+	if (dev->id.coreid == SSB_DEV_USB20_HOST)
+		err = ssb_ehci_attach(dev, &(ohcidev->ehci_hcd));
+#endif
+
 	return err;
 
 err_iounmap:
--- a/drivers/usb/host/ehci-ssb.c
+++ b/drivers/usb/host/ehci-ssb.c
@@ -106,10 +106,18 @@ static void ssb_ehci_detach(struct ssb_d
 	iounmap(hcd->regs);
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 	usb_put_hcd(hcd);
+#ifndef CONFIG_USB_OHCI_HCD_SSB
+	ssb_device_disable(dev, 0);
+#endif
 	ssb_device_disable(dev, 0);
 }
+EXPORT_SYMBOL_GPL(ssb_ehci_detach);
 
+#ifndef CONFIG_USB_OHCI_HCD_SSB
 static int ssb_ehci_attach(struct ssb_device *dev)
+#else
+static int ssb_ehci_attach(struct ssb_device *dev, struct usb_hcd **ehci_hcd)
+#endif
 {
 	struct ssb_ehci_device *ehcidev;
 	struct usb_hcd *hcd;
@@ -120,6 +128,7 @@ static int ssb_ehci_attach(struct ssb_de
 	    dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32)))
 		return -EOPNOTSUPP;
 
+#ifndef CONFIG_USB_OHCI_HCD_SSB
 	/*
 	 * USB 2.0 special considerations:
 	 *
@@ -155,6 +164,7 @@ static int ssb_ehci_attach(struct ssb_de
 		tmp |= 0x1;
 		ssb_write32(dev, 0x89c, tmp);
 	}
+#endif
 
 	hcd = usb_create_hcd(&ssb_ehci_hc_driver, dev->dev,
 			     dev_name(dev->dev));
@@ -175,7 +185,11 @@ static int ssb_ehci_attach(struct ssb_de
 	if (err)
 		goto err_iounmap;
 
+#ifndef CONFIG_USB_OHCI_HCD_SSB
 	ssb_set_drvdata(dev, hcd);
+#else
+	*ehci_hcd = hcd;
+#endif
 
 	return err;
 
@@ -187,7 +201,9 @@ err_dev_disable:
 	ssb_device_disable(dev, 0);
 	return err;
 }
+EXPORT_SYMBOL_GPL(ssb_ehci_attach);
 
+#ifndef CONFIG_USB_OHCI_HCD_SSB
 static int ssb_ehci_probe(struct ssb_device *dev,
 		const struct ssb_device_id *id)
 {
@@ -238,6 +254,7 @@ static int ssb_ehci_resume(struct ssb_de
 #define ssb_ehci_suspend	NULL
 #define ssb_ehci_resume	NULL
 #endif /* CONFIG_PM */
+#endif /* !CONFIG_USB_OHCI_HCD_SSB */
 
 static const struct ssb_device_id ssb_ehci_table[] = {
 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
@@ -245,6 +262,8 @@ static const struct ssb_device_id ssb_eh
 };
 MODULE_DEVICE_TABLE(ssb, ssb_ehci_table);
 
+
+#ifndef CONFIG_USB_OHCI_HCD_SSB
 static struct ssb_driver ssb_ehci_driver = {
 	.name		= KBUILD_MODNAME,
 	.id_table	= ssb_ehci_table,
@@ -253,3 +272,4 @@ static struct ssb_driver ssb_ehci_driver
 	.suspend	= ssb_ehci_suspend,
 	.resume		= ssb_ehci_resume,
 };
+#endif
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1284,17 +1284,21 @@ static int __init ehci_hcd_init(void)
 		goto clean4;
 #endif
 
+#ifndef CONFIG_USB_OHCI_HCD_SSB
 #ifdef SSB_EHCI_DRIVER
 	retval = ssb_driver_register(&SSB_EHCI_DRIVER);
 	if (retval < 0)
 		goto clean5;
 #endif
+#endif /* !CONFIG_USB_OHCI_HCD_SSB */
 	return retval;
 
+#ifndef CONFIG_USB_OHCI_HCD_SSB
 #ifdef SSB_EHCI_DRIVER
 	/* ssb_driver_unregister(&SSB_EHCI_DRIVER); */
 clean5:
 #endif
+#endif /* !CONFIG_USB_OHCI_HCD_SSB */
 #ifdef XILINX_OF_PLATFORM_DRIVER
 	of_unregister_platform_driver(&XILINX_OF_PLATFORM_DRIVER);
 clean4:
@@ -1327,9 +1331,11 @@ module_init(ehci_hcd_init);
 
 static void __exit ehci_hcd_cleanup(void)
 {
+#ifndef CONFIG_USB_OHCI_HCD_SSB
 #ifdef SSB_EHCI_DRIVER
 	ssb_driver_unregister(&SSB_EHCI_DRIVER);
 #endif
+#endif /* !CONFIG_USB_OHCI_HCD_SSB */
 #ifdef XILINX_OF_PLATFORM_DRIVER
 	of_unregister_platform_driver(&XILINX_OF_PLATFORM_DRIVER);
 #endif