diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.33')
| -rw-r--r-- | target/linux/brcm47xx/patches-2.6.33/270-ehci-ssb.patch | 67 |
1 files changed, 12 insertions, 55 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.33/270-ehci-ssb.patch b/target/linux/brcm47xx/patches-2.6.33/270-ehci-ssb.patch index 27b3923c92..0a68d0b3a5 100644 --- a/target/linux/brcm47xx/patches-2.6.33/270-ehci-ssb.patch +++ b/target/linux/brcm47xx/patches-2.6.33/270-ehci-ssb.patch @@ -50,7 +50,7 @@ --- /dev/null +++ b/drivers/usb/host/ehci-ssb.c -@@ -0,0 +1,201 @@ +@@ -0,0 +1,158 @@ +/* + * Sonics Silicon Backplane + * Broadcom USB-core EHCI driver (SSB bus glue) @@ -90,7 +90,6 @@ + return (struct ssb_ehci_device *)(hcd->hcd_priv); +} + -+ +static int ssb_ehci_reset(struct usb_hcd *hcd) +{ + struct ehci_hcd *ehci = hcd_to_ehci(hcd); @@ -115,55 +114,11 @@ + if (err) + return err; + -+ ehci_port_power(ehci, 0); ++ ehci_reset(ehci); + + return err; +} + -+static int ssb_ehci_start(struct usb_hcd *hcd) -+{ -+ struct ehci_hcd *ehci = hcd_to_ehci(hcd); -+ int err; -+ -+ err = ehci_run(hcd); -+ if (err < 0) { -+ ehci_err(ehci, "can't start\n"); -+ ehci_stop(hcd); -+ } -+ -+ return err; -+} -+ -+#ifdef CONFIG_PM -+static int ssb_ehci_hcd_suspend(struct usb_hcd *hcd, pm_message_t message) -+{ -+ struct ssb_ehci_device *ehcidev = hcd_to_ssb_ehci(hcd); -+ struct ehci_hcd *ehci = &ehcidev->ehci; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&ehci->lock, flags); -+ -+ ehci_writel(ehci, EHCI_INTR_MIE, &ehci->regs->intrdisable); -+ ehci_readl(ehci, &ehci->regs->intrdisable); /* commit write */ -+ -+ /* make sure snapshot being resumed re-enumerates everything */ -+ if (message.event == PM_EVENT_PRETHAW) -+ ehci_usb_reset(ehci); -+ -+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); -+ -+ spin_unlock_irqrestore(&ehci->lock, flags); -+ return 0; -+} -+ -+static int ssb_ehci_hcd_resume(struct usb_hcd *hcd) -+{ -+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); -+ usb_hcd_resume_root_hub(hcd); -+ return 0; -+} -+#endif /* CONFIG_PM */ -+ +static const struct hc_driver ssb_ehci_hc_driver = { + .description = "ssb-usb-ehci", + .product_desc = "SSB EHCI Controller", @@ -173,35 +128,37 @@ + .flags = HCD_MEMORY | HCD_USB2, + + .reset = ssb_ehci_reset, -+ .start = ssb_ehci_start, ++ .start = ehci_run, + .stop = ehci_stop, + .shutdown = ehci_shutdown, + -+#ifdef CONFIG_PM -+ .suspend = ssb_ehci_hcd_suspend, -+ .resume = ssb_ehci_hcd_resume, -+#endif -+ + .urb_enqueue = ehci_urb_enqueue, + .urb_dequeue = ehci_urb_dequeue, + .endpoint_disable = ehci_endpoint_disable, ++ .endpoint_reset = ehci_endpoint_reset, + + .get_frame_number = ehci_get_frame, + + .hub_status_data = ehci_hub_status_data, + .hub_control = ehci_hub_control, -+#ifdef CONFIG_PM + .bus_suspend = ehci_bus_suspend, + .bus_resume = ehci_bus_resume, -+#endif ++ .relinquish_port = ehci_relinquish_port, ++ .port_handed_over = ehci_port_handed_over, + ++ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, +}; + +static void ssb_ehci_detach(struct ssb_device *dev, struct usb_hcd *hcd) +{ ++ if (hcd->driver->shutdown) ++ hcd->driver->shutdown(hcd); + + usb_remove_hcd(hcd); ++ + iounmap(hcd->regs); ++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); ++ + usb_put_hcd(hcd); +} +EXPORT_SYMBOL_GPL(ssb_ehci_detach); |