linux-kernel - Re: [PATCH RFC] x86: Fix 64-bit DMA masks on VIA

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Message-ID: <87mynjgyg9.fsf@basil.nowhere.org>
Date:	Thu, 24 Apr 2008 15:43:50 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Michael Buesch <mb@...sch.de>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>, vojtech@...e.cz,
	muli@...ibm.com, jdmason@...zu.us, tglx@...utronix.de,
	mingo@...hat.com
Subject: Re: [PATCH RFC] x86: Fix 64-bit DMA masks on VIA

Michael Buesch <mb@...sch.de> writes:

> This untested patch is supposed to fix DMAing on some VIA boards.
> Currently the DMA subsystem returns an error, if the driver does
> tell that it supports a 64bit DMA mask. So the driver probing
> would fail in that case. 

The driver is broken then. It is supposed to retry with a small
mask on an error. Please fix the driver.

-Andi
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