[Qemu-devel] [PATCH 54/54] xhci: allow bytewise capability register reads

[Gerd Hoffmann]

Some guests need this according to
Alejandro Martinez Ruiz <address@hidden>

Signed-off-by: Gerd Hoffmann <address@hidden>
---
 hw/usb/hcd-xhci.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

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,
 };
 
-- 
1.7.1