linux-kernel - Re: USB mass storage and ARM cache coherency

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Date:	Tue, 2 Feb 2010 07:58:42 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	Andreas Mohr <andi@...as.de>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Matthew Dharm <mdharm-kernel@...-eyed-alien.net>,
	Sergei Shtylyov <sshtylyov@...mvista.com>,
	Ming Lei <tom.leiming@...il.com>, linux-usb@...r.kernel.org,
	"linux-kernel" <linux-kernel@...r.kernel.org>,
	Sebastian Siewior <bigeasy@...utronix.de>,
	Greg KH <greg@...ah.com>, Takashi Iwai <tiwai@...e.de>
Subject: Re: USB mass storage and ARM cache coherency

Am Montag, 1. Februar 2010 23:30:01 schrieb Andreas Mohr:
> I took some time to add your patch to ehci-q.c / ohci-q.c
> (for my *hci-ssb.c ASUS WL-500gP v2), on my now heavily patched-up 2.6.31.9,
> but UNFORTUNATELY it kept locking up the same way as always when stopping
> playback despite being damn sure this time that this patch could have
> the potential to finally fix it ;)
> (I had to replace memory.h with page.h on my arch though, to fix the build)

A moment please. You are using ehci and ohci. Both are using dma.
Why does this issue arise?

	Regards
		Oliver
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