From 25968a7c7947b7e215e351b159a5f4ebf4609aab Mon Sep 17 00:00:00 2001

From: Gerd Hoffmann <kraxel@redhat.com>

Date: Tue, 4 Sep 2012 14:48:03 +0200

Subject: [PATCH 354/366] xhci: allow bytewise capability register reads

Some guests need this according to

Alejandro Martinez Ruiz <alex@securiforest.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

---

 hw/usb/hcd-xhci.c | 4 +++-

 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c

index 500892d..2918e64 100644

--- a/hw/usb/hcd-xhci.c

+++ b/hw/usb/hcd-xhci.c

@@ -2748,8 +2748,10 @@ static void xhci_doorbell_write(void *ptr, target_phys_addr_t reg,

 static const MemoryRegionOps xhci_cap_ops = {

     .read = xhci_cap_read,

-    .valid.min_access_size = 4,

+    .valid.min_access_size = 1,

     .valid.max_access_size = 4,

+    .impl.min_access_size = 4,

+    .impl.max_access_size = 4,

     .endianness = DEVICE_LITTLE_ENDIAN,

 };

-- 

1.7.12