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Message-Id: <200712060802.53229.david-b@pacbell.net> Date: Thu, 6 Dec 2007 08:02:52 -0800 From: David Brownell <david-b@...bell.net> To: Nicolas Ferre <nicolas.ferre@...el.com> Cc: Andrew Victor <linux@...im.org.za>, Patrice VILCHEZ <patrice.vilchez@...el.com>, ARM Linux Mailing List <linux-arm-kernel@...ts.arm.linux.org.uk>, Linux Kernel list <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] usb: at91_udc: correct hanging while disconnecting usb cable On Thursday 06 December 2007, Nicolas Ferre wrote: > Correct hanging while disconnecting the USB device > cable. Prevent a race between vbus and UDP interrupts. > This bug was tracked on at91sam9260ek boards. > > Signed-off-by: Nicolas Ferre <nicolas.ferre@....atmel.com> > --- > > A usb resume interrupt was firing after the vbus > interrupt : the IP was then already stoped and not able > to deal with it (no more clock). A simple interrupt disabling > is ok as the "end of bus reset" irq is non maskable and ok > to resume the USB device IP. Good, thanks for finding this. The bug was reported recently, and obviously can't be reproduced except on boards which *have* a VBUS interrupt! I've signed off on this and suggested Greg merge it before the 2.6.24-final freeze. - Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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