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| author | Peter Maydell <peter.maydell@linaro.org> | 2017-06-19 17:54:30 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-06-19 17:54:30 +0100 |
| commit | cef8fd68364ad754d4f0050a215376cdf0ec744a (patch) | |
| tree | 1d93ad481e890c5a96cd646959a3ca4512f80db9 /hw/usb/hcd-ehci.c | |
| parent | a1fbe750fd90d29309fd037ab98f263367aaf770 (diff) | |
| parent | ad3c5412f2704672bb212bb82035c9b1a72db782 (diff) | |
| download | qemu-cef8fd68364ad754d4f0050a215376cdf0ec744a.zip qemu-cef8fd68364ad754d4f0050a215376cdf0ec744a.tar.gz qemu-cef8fd68364ad754d4f0050a215376cdf0ec744a.tar.bz2 | |
Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20170614-1' into staging
usb: bugfixes for ehci and xhci
# gpg: Signature made Wed 14 Jun 2017 08:44:01 BST
# gpg: using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138
* remotes/kraxel/tags/pull-usb-20170614-1:
ehci: stop recursive calls to ehci_work_bh
xhci: only update dequeue ptr on completed transfers
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/usb/hcd-ehci.c')
| -rw-r--r-- | hw/usb/hcd-ehci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 17c572c..73090e0 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -2241,6 +2241,11 @@ static void ehci_work_bh(void *opaque) uint64_t uframes, skipped_uframes; int i; + if (ehci->working) { + return; + } + ehci->working = true; + t_now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); ns_elapsed = t_now - ehci->last_run_ns; uframes = ns_elapsed / UFRAME_TIMER_NS; @@ -2322,6 +2327,8 @@ static void ehci_work_bh(void *opaque) } timer_mod(ehci->frame_timer, expire_time); } + + ehci->working = false; } static void ehci_work_timer(void *opaque) |