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Commit bc2e4a90 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb 

Pull USB patch revert from Greg Kroah-Hartman:
 "Here is one remaining USB patch for 3.9-rc1, it reverts a 3.8 patch
  that has caused a lot of regressions for some VIA EHCI controllers."

* tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: EHCI: revert "remove ASS/PSS polling timeout"
parents 68b86a25 221f8dfc

drivers/usb/host/ehci-timer.c

+14 −15
Original line number Diff line number Diff line
@@ -113,15 +113,14 @@ static void ehci_poll_ASS(struct ehci_hcd *ehci) 


	if (want != actual) {



		/* Poll again later */

		/* 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);

		++ehci->ASS_poll_count;

			return;

		}



	if (ehci->ASS_poll_count > 20)

		ehci_dbg(ehci, "ASS poll count reached %d\n",

				ehci->ASS_poll_count);

		ehci_dbg(ehci, "Waited too long for the async schedule status (%x/%x), giving up\n",

				want, actual);

	}

	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 */

		/* 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;

		}



	if (ehci->PSS_poll_count > 20)

		ehci_dbg(ehci, "PSS poll count reached %d\n",

				ehci->PSS_poll_count);

		ehci_dbg(ehci, "Waited too long for the periodic schedule status (%x/%x), giving up\n",

				want, actual);

	}

	ehci->PSS_poll_count = 0;



	/* The status is up-to-date; restart or stop the schedule as needed */