]> git.ipfire.org Git - thirdparty/kernel/stable-queue.git/commitdiff
removed queue-4.4/ohci-pci-add-qemu-quirk.patch
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 22 May 2017 19:08:17 +0000 (21:08 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 22 May 2017 19:08:17 +0000 (21:08 +0200)
queue-4.4/ohci-pci-add-qemu-quirk.patch [deleted file]
queue-4.4/series

diff --git a/queue-4.4/ohci-pci-add-qemu-quirk.patch b/queue-4.4/ohci-pci-add-qemu-quirk.patch
deleted file mode 100644 (file)
index 6180fdf..0000000
+++ /dev/null
@@ -1,83 +0,0 @@
-From 21a60f6e65181cad64fd66ccc8080d413721ba27 Mon Sep 17 00:00:00 2001
-From: Gerd Hoffmann <kraxel@redhat.com>
-Date: Mon, 20 Mar 2017 09:11:49 +0100
-Subject: ohci-pci: add qemu quirk
-
-From: Gerd Hoffmann <kraxel@redhat.com>
-
-commit 21a60f6e65181cad64fd66ccc8080d413721ba27 upstream.
-
-On a loaded virtualization host (dozen guests booting at the same time)
-it may happen that the ohci controller emulation doesn't manage to do
-timely frame processing, with the result that the io watchdog fires and
-considers the controller being dead, even though it's only the emulation
-being unusual slow due to the load peak.
-
-So, add a quirk for qemu and don't use the watchdog in case we figure we
-are running on emulated ohci.  The virtual ohci controller masquerades
-as apple ohci controller, but we can identify it by subsystem id.
-
-Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
-Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-
----
- drivers/usb/host/ohci-hcd.c |    3 ++-
- drivers/usb/host/ohci-pci.c |   16 ++++++++++++++++
- drivers/usb/host/ohci.h     |    1 +
- 3 files changed, 19 insertions(+), 1 deletion(-)
-
---- a/drivers/usb/host/ohci-hcd.c
-+++ b/drivers/usb/host/ohci-hcd.c
-@@ -231,7 +231,8 @@ static int ohci_urb_enqueue (
-               /* Start up the I/O watchdog timer, if it's not running */
-               if (!timer_pending(&ohci->io_watchdog) &&
--                              list_empty(&ohci->eds_in_use)) {
-+                              list_empty(&ohci->eds_in_use) &&
-+                              !(ohci->flags & OHCI_QUIRK_QEMU)) {
-                       ohci->prev_frame_no = ohci_frame_no(ohci);
-                       mod_timer(&ohci->io_watchdog,
-                                       jiffies + IO_WATCHDOG_DELAY);
---- a/drivers/usb/host/ohci-pci.c
-+++ b/drivers/usb/host/ohci-pci.c
-@@ -164,6 +164,15 @@ static int ohci_quirk_amd700(struct usb_
-       return 0;
- }
-+static int ohci_quirk_qemu(struct usb_hcd *hcd)
-+{
-+      struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-+
-+      ohci->flags |= OHCI_QUIRK_QEMU;
-+      ohci_dbg(ohci, "enabled qemu quirk\n");
-+      return 0;
-+}
-+
- /* List of quirks for OHCI */
- static const struct pci_device_id ohci_pci_quirks[] = {
-       {
-@@ -214,6 +223,13 @@ static const struct pci_device_id ohci_p
-               PCI_DEVICE(PCI_VENDOR_ID_ATI, 0x4399),
-               .driver_data = (unsigned long)ohci_quirk_amd700,
-       },
-+      {
-+              .vendor         = PCI_VENDOR_ID_APPLE,
-+              .device         = 0x003f,
-+              .subvendor      = PCI_SUBVENDOR_ID_REDHAT_QUMRANET,
-+              .subdevice      = PCI_SUBDEVICE_ID_QEMU,
-+              .driver_data    = (unsigned long)ohci_quirk_qemu,
-+      },
-       /* FIXME for some of the early AMD 760 southbridges, OHCI
-        * won't work at all.  blacklist them.
---- a/drivers/usb/host/ohci.h
-+++ b/drivers/usb/host/ohci.h
-@@ -418,6 +418,7 @@ struct ohci_hcd {
- #define       OHCI_QUIRK_AMD_PLL      0x200                   /* AMD PLL quirk*/
- #define       OHCI_QUIRK_AMD_PREFETCH 0x400                   /* pre-fetch for ISO transfer */
- #define       OHCI_QUIRK_GLOBAL_SUSPEND       0x800           /* must suspend ports */
-+#define       OHCI_QUIRK_QEMU         0x1000                  /* relax timing expectations */
-       // there are also chip quirks/bugs in init logic
index 186ad6ce2345d70e1ae44baaa286f44021707e8f..62660f4ef8b99f2cec646ba35705937cd84df1b1 100644 (file)
@@ -35,7 +35,6 @@ drm-nouveau-tmr-fix-corruption-of-the-pending-list-when-rescheduling-an-alarm.pa
 drm-nouveau-tmr-avoid-processing-completed-alarms-when-adding-a-new-one.patch
 drm-nouveau-tmr-handle-races-with-hw-when-updating-the-next-alarm-time.patch
 cdc-acm-fix-possible-invalid-access-when-processing-notification.patch
-ohci-pci-add-qemu-quirk.patch
 proc-fix-unbalanced-hard-link-numbers.patch
 of-fix-sparse-warning-in-of_pci_range_parser_one.patch
 of-fdt-add-missing-allocation-failure-check.patch