linux-kernel - Re: Please revert 928bea964827d7824b548c1f8e06eccbbc4d0d7d

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Message-ID: <1380318405.27811.37.camel@pasglop>
Date:	Sat, 28 Sep 2013 07:46:45 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: Please revert 928bea964827d7824b548c1f8e06eccbbc4d0d7d

On Fri, 2013-09-27 at 10:10 -0700, Linus Torvalds wrote:
> > So i would like to use the first way that you suggest : call pci_set_master
> > PCIe port driver.
> 
> So I have to say, that if we can fix this with just adding a single
> new pci_set_master() call, we should do that before we decide to
> revert.
> 
> If other, bigger issues then come up, we can decide to revert. But if
> there's a one-liner fix, let's just do that first, ok?
> 
> Mind sending a patch?

Wouldn't it be better to simply have pci_enable_device() always set bus
master on a bridge? I don't see any case where it makes sense to have
an enabled bridge without the master bit set on it...

Cheers,
Ben.


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