commit: 4f7a67e2dd49fbfba002c453bc24bf00e701cc71
From: Ricardo Martins <r...@fe.up.pt>
Date: Tue, 22 May 2012 18:02:03 +0100
Subject: USB: fix PS3 EHCI systems
After commit aaa0ef289afe9186f81e2340114ea413eef0492a "PS3 EHCI QH
read work-around", Terratec Grabby (em28xx) stopped working with AMD
Geode LX 800 (USB controller AMD CS5536). Since this is a PS3 only
fix, the following patch adds a conditional block around it.
Signed-off-by: Ricardo Martins <r...@fe.up.pt>
Acked-by: Alan Stern <st...@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/usb/host/ehci-hcd.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index b100f5f..800be38 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -671,7 +671,9 @@ static int ehci_init(struct usb_hcd *hcd)
hw = ehci->async->hw;
hw->hw_next = QH_NEXT(ehci, ehci->async->qh_dma);
hw->hw_info1 = cpu_to_hc32(ehci, QH_HEAD);
+#if defined(CONFIG_PPC_PS3)
hw->hw_info1 |= cpu_to_hc32(ehci, (1 << 7)); /* I = 1 */
+#endif
hw->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT);
hw->hw_qtd_next = EHCI_LIST_END(ehci);
ehci->async->qh_state = QH_STATE_LINKED;
--
1.7.3.4
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