This is a note to let you know that I've just added the patch titled
USB: fix PS3 EHCI systems
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-fix-ps3-ehci-systems.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 4f7a67e2dd49fbfba002c453bc24bf00e701cc71 Mon Sep 17 00:00:00 2001
From: Ricardo Martins <[email protected]>
Date: Tue, 22 May 2012 18:02:03 +0100
Subject: USB: fix PS3 EHCI systems
From: Ricardo Martins <[email protected]>
commit 4f7a67e2dd49fbfba002c453bc24bf00e701cc71 upstream.
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 <[email protected]>
Acked-by: Alan Stern <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/usb/host/ehci-hcd.c | 2 ++
1 file changed, 2 insertions(+)
--- 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;
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/usb-fix-ps3-ehci-systems.patch
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