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|
--- 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
@@ -1324,17 +1324,21 @@ 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:
@@ -1367,9 +1371,11 @@ 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
|
