43 lines
1.5 KiB
Diff
43 lines
1.5 KiB
Diff
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From 160cf46209944d2fd7e20e39cf3fa77b961b5b20 Mon Sep 17 00:00:00 2001
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Mon, 25 Aug 2014 12:21:56 +0200
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Subject: [PATCH] xhci: Disable streams on Via XHCI with device-id 0x3432
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This is a bit bigger hammer then I would like to use for this, but for now
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it will have to make do. I'm working on getting my hands on one of these so
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that I can try to get streams to work (with a quirk flag if necessary) and
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then we can re-enable them.
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For now this at least makes uas capable disk enclosures work again by forcing
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fallback to the usb-storage driver.
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https://bugzilla.kernel.org/show_bug.cgi?id=79511
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Bugzilla: 1132666
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Upstream-status: Sent for 3.17 and Cc'd stable
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Cc: stable@vger.kernel.org # 3.15
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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drivers/usb/host/xhci-pci.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
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index 687d36608155..d973682f72ce 100644
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--- a/drivers/usb/host/xhci-pci.c
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+++ b/drivers/usb/host/xhci-pci.c
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@@ -151,6 +151,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
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if (pdev->vendor == PCI_VENDOR_ID_VIA)
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xhci->quirks |= XHCI_RESET_ON_RESUME;
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+ /* See https://bugzilla.kernel.org/show_bug.cgi?id=79511 */
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+ if (pdev->vendor == PCI_VENDOR_ID_VIA &&
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+ pdev->device == 0x3432)
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+ xhci->quirks |= XHCI_BROKEN_STREAMS;
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+
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if (xhci->quirks & XHCI_RESET_ON_RESUME)
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xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
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"QUIRK: Resetting on resume");
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--
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1.9.3
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