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Koen Kooi
646ff9d602
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
From 5ed14fb69997843bfb782a2f742ef8c583e44f4b Mon Sep 17 00:00:00 2001
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From: Ricardo Martins <rasm@fe.up.pt>
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Date: Tue, 22 May 2012 18:02:03 +0100
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Subject: [PATCH 62/67] USB: fix PS3 EHCI systems
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commit 4f7a67e2dd49fbfba002c453bc24bf00e701cc71 upstream.
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After commit aaa0ef289afe9186f81e2340114ea413eef0492a "PS3 EHCI QH
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read work-around", Terratec Grabby (em28xx) stopped working with AMD
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Geode LX 800 (USB controller AMD CS5536). Since this is a PS3 only
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fix, the following patch adds a conditional block around it.
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Signed-off-by: Ricardo Martins <rasm@fe.up.pt>
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Acked-by: Alan Stern <stern@rowland.harvard.edu>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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---
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drivers/usb/host/ehci-hcd.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
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index 64c0d7b..339be10 100644
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--- a/drivers/usb/host/ehci-hcd.c
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+++ b/drivers/usb/host/ehci-hcd.c
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@@ -620,7 +620,9 @@ static int ehci_init(struct usb_hcd *hcd)
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hw = ehci->async->hw;
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hw->hw_next = QH_NEXT(ehci, ehci->async->qh_dma);
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hw->hw_info1 = cpu_to_hc32(ehci, QH_HEAD);
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+#if defined(CONFIG_PPC_PS3)
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hw->hw_info1 |= cpu_to_hc32(ehci, (1 << 7)); /* I = 1 */
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+#endif
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hw->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT);
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hw->hw_qtd_next = EHCI_LIST_END(ehci);
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ehci->async->qh_state = QH_STATE_LINKED;
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--
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1.7.9.5
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