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path: root/drivers/usb/host/ehci-ppc-soc.c
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Diffstat (limited to 'drivers/usb/host/ehci-ppc-soc.c')
-rw-r--r--drivers/usb/host/ehci-ppc-soc.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/usb/host/ehci-ppc-soc.c b/drivers/usb/host/ehci-ppc-soc.c
index c2cedb09ed8..452d4b1bc85 100644
--- a/drivers/usb/host/ehci-ppc-soc.c
+++ b/drivers/usb/host/ehci-ppc-soc.c
@@ -6,7 +6,7 @@
* Bus Glue for PPC On-Chip EHCI driver
* Tested on AMCC 440EPx
*
- * Based on "ehci-au12xx.c" by David Brownell <dbrownell@users.sourceforge.net>
+ * Based on "ehci-au1xxx.c" by K.Boge <karsten.boge@amd.com>
*
* This file is licenced under the GPL.
*/
@@ -15,6 +15,24 @@
extern int usb_disabled(void);
+/* called during probe() after chip reset completes */
+static int ehci_ppc_soc_setup(struct usb_hcd *hcd)
+{
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ int retval;
+
+ retval = ehci_halt(ehci);
+ if (retval)
+ return retval;
+
+ retval = ehci_init(hcd);
+ if (retval)
+ return retval;
+
+ ehci->sbrn = 0x20;
+ return ehci_reset(ehci);
+}
+
/**
* usb_ehci_ppc_soc_probe - initialize PPC-SoC-based HCDs
* Context: !in_interrupt()
@@ -120,7 +138,7 @@ static const struct hc_driver ehci_ppc_soc_hc_driver = {
/*
* basic lifecycle operations
*/
- .reset = ehci_init,
+ .reset = ehci_ppc_soc_setup,
.start = ehci_run,
.stop = ehci_stop,
.shutdown = ehci_shutdown,
@@ -142,10 +160,8 @@ static const struct hc_driver ehci_ppc_soc_hc_driver = {
*/
.hub_status_data = ehci_hub_status_data,
.hub_control = ehci_hub_control,
-#ifdef CONFIG_PM
- .hub_suspend = ehci_hub_suspend,
- .hub_resume = ehci_hub_resume,
-#endif
+ .bus_suspend = ehci_bus_suspend,
+ .bus_resume = ehci_bus_resume,
};
static int ehci_hcd_ppc_soc_drv_probe(struct platform_device *pdev)