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authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
commit0d4a42f6bd298e826620585e766a154ab460617a (patch)
tree406d8f7778691d858dbe3e48e4bbb10e99c0a58a /drivers/usb/host/ehci-timer.c
parentd62b4892f3d9f7dd2002e5309be10719d6805b0f (diff)
parenta937536b868b8369b98967929045f1df54234323 (diff)
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes, which depend upon the new for_each_sg_page introduce in commit a321e91b6d73ed011ffceed384c40d2785cf723b Author: Imre Deak <imre.deak@intel.com> Date: Wed Feb 27 17:02:56 2013 -0800 lib/scatterlist: add simple page iterator The merge itself is just two trivial conflicts: Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/usb/host/ehci-timer.c')
-rw-r--r--drivers/usb/host/ehci-timer.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/usb/host/ehci-timer.c b/drivers/usb/host/ehci-timer.c
index f904071d70d..20dbdcbe9b0 100644
--- a/drivers/usb/host/ehci-timer.c
+++ b/drivers/usb/host/ehci-timer.c
@@ -113,15 +113,14 @@ static void ehci_poll_ASS(struct ehci_hcd *ehci)
if (want != actual) {
- /* Poll again later */
- ehci_enable_event(ehci, EHCI_HRTIMER_POLL_ASS, true);
- ++ehci->ASS_poll_count;
- return;
+ /* Poll again later, but give up after about 20 ms */
+ if (ehci->ASS_poll_count++ < 20) {
+ ehci_enable_event(ehci, EHCI_HRTIMER_POLL_ASS, true);
+ return;
+ }
+ ehci_dbg(ehci, "Waited too long for the async schedule status (%x/%x), giving up\n",
+ want, actual);
}
-
- if (ehci->ASS_poll_count > 20)
- ehci_dbg(ehci, "ASS poll count reached %d\n",
- ehci->ASS_poll_count);
ehci->ASS_poll_count = 0;
/* The status is up-to-date; restart or stop the schedule as needed */
@@ -160,14 +159,14 @@ static void ehci_poll_PSS(struct ehci_hcd *ehci)
if (want != actual) {
- /* Poll again later */
- ehci_enable_event(ehci, EHCI_HRTIMER_POLL_PSS, true);
- return;
+ /* Poll again later, but give up after about 20 ms */
+ if (ehci->PSS_poll_count++ < 20) {
+ ehci_enable_event(ehci, EHCI_HRTIMER_POLL_PSS, true);
+ return;
+ }
+ ehci_dbg(ehci, "Waited too long for the periodic schedule status (%x/%x), giving up\n",
+ want, actual);
}
-
- if (ehci->PSS_poll_count > 20)
- ehci_dbg(ehci, "PSS poll count reached %d\n",
- ehci->PSS_poll_count);
ehci->PSS_poll_count = 0;
/* The status is up-to-date; restart or stop the schedule as needed */