|
 |
7711c0 |
From 2aed844c2485cfc07bee58f67be64749655f7f12 Mon Sep 17 00:00:00 2001
|
|
|
7711c0 |
From: Gerd Hoffmann <kraxel@redhat.com>
|
|
|
7711c0 |
Date: Mon, 3 Jun 2019 13:45:49 +0200
|
|
|
7711c0 |
Subject: [PATCH 6/9] usb-host: skip reset for untouched devices
|
|
|
7711c0 |
MIME-Version: 1.0
|
|
|
7711c0 |
Content-Type: text/plain; charset=UTF-8
|
|
|
7711c0 |
Content-Transfer-Encoding: 8bit
|
|
|
7711c0 |
|
|
|
7711c0 |
RH-Author: Gerd Hoffmann <kraxel@redhat.com>
|
|
|
7711c0 |
Message-id: <20190603134550.30153-4-kraxel@redhat.com>
|
|
|
7711c0 |
Patchwork-id: 88448
|
|
|
7711c0 |
O-Subject: [RHEL-7.7 qemu-kvm-rhev PATCH 3/4] usb-host: skip reset for untouched devices
|
|
|
7711c0 |
Bugzilla: 1710861
|
|
|
7711c0 |
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
|
|
|
7711c0 |
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
|
|
|
7711c0 |
RH-Acked-by: Max Reitz <mreitz@redhat.com>
|
|
|
7711c0 |
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
|
7711c0 |
|
|
|
7711c0 |
If the guest didn't talk to the device yet, skip the reset.
|
|
|
7711c0 |
Without this usb-host devices get resetted a number of times
|
|
|
7711c0 |
at boot time for no good reason.
|
|
|
7711c0 |
|
|
|
7711c0 |
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
|
|
|
7711c0 |
Message-id: 20190522094702.17619-3-kraxel@redhat.com
|
|
|
7711c0 |
(cherry picked from commit 65f14ab98da1da920f98ee8734dc1588b01d6b2b)
|
|
|
7711c0 |
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
|
7711c0 |
---
|
|
|
7711c0 |
hw/usb/host-libusb.c | 3 +++
|
|
|
7711c0 |
1 file changed, 3 insertions(+)
|
|
|
7711c0 |
|
|
|
7711c0 |
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
|
|
|
7711c0 |
index 0425f0e..1d7e386 100644
|
|
|
7711c0 |
--- a/hw/usb/host-libusb.c
|
|
|
7711c0 |
+++ b/hw/usb/host-libusb.c
|
|
|
7711c0 |
@@ -1450,6 +1450,9 @@ static void usb_host_handle_reset(USBDevice *udev)
|
|
|
7711c0 |
if (!s->allow_guest_reset) {
|
|
|
7711c0 |
return;
|
|
|
7711c0 |
}
|
|
|
7711c0 |
+ if (udev->addr == 0) {
|
|
|
7711c0 |
+ return;
|
|
|
7711c0 |
+ }
|
|
|
7711c0 |
|
|
|
7711c0 |
trace_usb_host_reset(s->bus_num, s->addr);
|
|
|
7711c0 |
|
|
|
7711c0 |
--
|
|
|
7711c0 |
1.8.3.1
|
|
|
7711c0 |
|