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path: root/drivers/usb/host/ehci-fsl.c
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Diffstat (limited to 'drivers/usb/host/ehci-fsl.c')
-rw-r--r--drivers/usb/host/ehci-fsl.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index d81d2fcbff18..3be3df233a0e 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -370,6 +370,15 @@ static int ehci_fsl_setup(struct usb_hcd *hcd)
/* EHCI registers start at offset 0x100 */
ehci->caps = hcd->regs + 0x100;
+#ifdef CONFIG_PPC_83xx
+ /*
+ * Deal with MPC834X that need port power to be cycled after the power
+ * fault condition is removed. Otherwise the state machine does not
+ * reflect PORTSC[CSC] correctly.
+ */
+ ehci->need_oc_pp_cycle = 1;
+#endif
+
hcd->has_tt = 1;
retval = ehci_setup(hcd);