38 lines
1.1 KiB
Diff
38 lines
1.1 KiB
Diff
From: Ladi Prosek <lprosek@redhat.com>
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Date: Fri, 12 May 2017 12:21:00 +0200
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Subject: [PATCH] xhci: relax link check
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The strict td link limit added by commit "05f43d4 xhci: limit the
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number of link trbs we are willing to process" causes problems with
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Windows guests. Let's raise the limit.
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This change is analogous to:
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commit ab6b1105a2259c7072905887f71caa850ce63190
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Author: Gerd Hoffmann <kraxel@redhat.com>
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Date: Tue Mar 7 09:40:18 2017 +0100
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ohci: relax link check
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Signed-off-by: Ladi Prosek <lprosek@redhat.com>
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Message-id: 20170512102100.22675-1-lprosek@redhat.com
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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(cherry picked from commit 99f9aeba5d461f79c9ce73f968ba0feb77fc1f5a)
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---
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hw/usb/hcd-xhci.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
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index ed0f13f37b..95f127d152 100644
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--- a/hw/usb/hcd-xhci.c
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+++ b/hw/usb/hcd-xhci.c
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@@ -50,7 +50,7 @@
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/* Very pessimistic, let's hope it's enough for all cases */
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#define EV_QUEUE (((3 * 24) + 16) * MAXSLOTS)
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-#define TRB_LINK_LIMIT 4
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+#define TRB_LINK_LIMIT 32
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#define COMMAND_LIMIT 256
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#define TRANSFER_LIMIT 256
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