From: Matthieu CASTET <castet.matthieu@xxxxxxx>
This allow to clean duplicated code in most of SOC driver.
Signed-off-by: Matthieu CASTET <castet.matthieu@xxxxxxx>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxx> # fixes 3.1 build error
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/host/ehci-hcd.c | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 2f0cf86..05abbcd 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -768,6 +768,35 @@ static int ehci_run (struct usb_hcd *hcd)
return 0;
}
+static int __maybe_unused ehci_setup (struct usb_hcd *hcd)
+{
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ int retval;
+
+ ehci->regs = (void __iomem *)ehci->caps +
+ HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
+ dbg_hcs_params(ehci, "reset");
+ dbg_hcc_params(ehci, "reset");
+
+ /* cache this readonly data; minimize chip reads */
+ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
+
+ ehci->sbrn = HCD_USB2;
+
+ retval = ehci_halt(ehci);
+ if (retval)
+ return retval;
+
+ /* data structure init */
+ retval = ehci_init(hcd);
+ if (retval)
+ return retval;
+
+ ehci_reset(ehci);
+
+ return 0;
+}
+
/*-------------------------------------------------------------------------*/
static irqreturn_t ehci_irq (struct usb_hcd *hcd)
--
1.7.7
--
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