linux-kernel - Re: [PATCH v4]PPC4xx: Adding PCI(E) MSI support

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Message-ID: <20110628223131.GA10267@crust.elkhashab.com>
Date:	Tue, 28 Jun 2011 17:31:31 -0500
From:	Ayman El-Khashab <ayman@...hashab.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Rupjyoti Sarmah <rsarmah@...c.com>, linuxppc-dev@...abs.org,
	rsarmah@....com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4]PPC4xx: Adding PCI(E) MSI support

On Thu, May 26, 2011 at 03:24:44PM +1000, Benjamin Herrenschmidt wrote:
> 
> Please check the result and send any "fixup" patch that might be
> necessary.
> 
> > +static int ppc4xx_setup_pcieh_hw(struct platform_device *dev,
> > +				 struct resource res, struct ppc4xx_msi *msi)
> > +{
> > +

<snip>

> > +
> > +	msi->msi_dev = of_find_node_by_name(NULL, "ppc4xx-msi");
> > +	if (msi->msi_dev)
> > +		return -ENODEV;

This does not look correct. I guess it should probably read 

if (!msi->msi_dev) .....

Ayman
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