From d6b8e12c485d6c3e7a6b87cf9e2f5df7cba14246 Mon Sep 17 00:00:00 2001 From: Ladi Prosek Date: Wed, 17 May 2017 08:53:02 +0200 Subject: [PATCH 08/27] xhci: relax link check RH-Author: Ladi Prosek Message-id: <20170517085302.26786-2-lprosek@redhat.com> Patchwork-id: 75234 O-Subject: [RHV-7.4 qemu-kvm-rhev PATCH 1/1] xhci: relax link check Bugzilla: 1444003 RH-Acked-by: Gerd Hoffmann RH-Acked-by: Thomas Huth RH-Acked-by: Laurent Vivier The strict td link limit added by commit "05f43d4 xhci: limit the number of link trbs we are willing to process" causes problems with Windows guests. Let's raise the limit. This change is analogous to: commit ab6b1105a2259c7072905887f71caa850ce63190 Author: Gerd Hoffmann Date: Tue Mar 7 09:40:18 2017 +0100 ohci: relax link check Signed-off-by: Ladi Prosek Message-id: 20170512102100.22675-1-lprosek@redhat.com Signed-off-by: Gerd Hoffmann (cherry-picked from commit 99f9aeba5d461f79c9ce73f968ba0feb77fc1f5a) Signed-off-by: Ladi Prosek Signed-off-by: Miroslav Rezanina --- hw/usb/hcd-xhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 1555aa4..da9ed15 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -50,7 +50,7 @@ /* Very pessimistic, let's hope it's enough for all cases */ #define EV_QUEUE (((3 * 24) + 16) * MAXSLOTS) -#define TRB_LINK_LIMIT 4 +#define TRB_LINK_LIMIT 32 #define COMMAND_LIMIT 256 #define TRANSFER_LIMIT 256 -- 1.8.3.1