commit d63c66d2d08f52487f3ef32f1c9b1231d848966b
author Dmitri Epshtein <dima@marvell.com> Mon Dec 14 17:17:33 2009 +0200
committer Greg Kroah-Hartman <gregkh@suse.de> Tue Mar 02 14:53:13 2010 -0800
tree a4aa3889c5b655924b1c310e09c874b0231d7d49
parent a5f0efaba4c2b644e6248648f75b0a8a522359f6

USB: ehci: add call of free_cached_itd_list() function in disable_periodic()

Sometimes disable_periodic() stop scan_periodic before than free_cached_itd_list() was called.
In such case USB Host stacked during disconnect operation
Solution: add call of free_cached_itd_list() function in disable_periodic()

Signed-off-by: Dimitry Epshtein <dima@marvell.com>
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/ehci-sched.c

diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 1e391e6..e7a3b08 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -510,6 +510,8 @@
 	ehci_writel(ehci, cmd, &ehci->regs->command);
 	/* posted write ... */
 
+	free_cached_itd_list(ehci);
+
 	ehci->next_uframe = -1;
 	return 0;
 }