linux-kernel - Re: [PATCH 1/2] [PCI] Check that MWI bit really did get set

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Date:	Mon, 16 Oct 2006 11:58:15 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andrew Morton <akpm@...l.org>
Cc:	Paul Mackerras <paulus@...ba.org>,
	David Brownell <david-b@...bell.net>, matthew@....cx,
	val_henson@...ux.intel.com, netdev@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz, linux-kernel@...r.kernel.org,
	gregkh@...e.de
Subject: Re: [PATCH 1/2] [PCI] Check that MWI bit really did get set

Ar Sul, 2006-10-15 am 18:10 -0700, ysgrifennodd Andrew Morton:
> Question is, should pci_set_mwi() ever return -EFOO?  I guess it should, in
> the case where setting the line size didn't work out.

It does no harm, no driver will ever check anything but 0 v !0 because
the handling is no different in either case.

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