* [Qemu-devel] [PATCH] xhci: relax link check
@ 2017-05-12 10:21 Ladi Prosek
0 siblings, 0 replies; only message in thread
From: Ladi Prosek @ 2017-05-12 10:21 UTC (permalink / raw)
To: qemu-devel; +Cc: kraxel
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 <kraxel@redhat.com>
Date: Tue Mar 7 09:40:18 2017 +0100
ohci: relax link check
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
---
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 d3d47bf..77d8e11 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
--
2.9.3
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