Re: [PATCH] pci: of : fix BUG: unable to handle kernel

[Russell King - ARM Linux]

On Wed, Mar 11, 2015 at 07:35:45AM -0500, Rob Herring wrote:
> On Tue, Mar 10, 2015 at 10:25 AM, Murali Karicheri <m-karicheri2@xxxxxx> wrote:
> > On some platforms such as that based on x86, ia64 etc, root bus is
> > created with parent node passed in as NULL to pci_create_root_bus().
> > On these platforms, the patch series "PCI: get DMA configuration from
> > parent device" when applied causes kernel crash. So add a check for this
> > in of_pci_dma_configure()
> 
> Wouldn't these arches have OF disabled and call an empty function?
> Regardless, we still need this.
> 
> > Signed-off-by: Murali Karicheri <m-karicheri2@xxxxxx>
> 
> I'm assuming Bjorn will apply this.
> 
> Acked-by: Rob Herring <robh@xxxxxxxxxx>

It might be an idea to read the subject line...

"fix BUG: unable to handle kernel"

which is meaningless.  It needs a much better subject line before it can
be committed.

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