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SubjectRe: [PATCH] mvebu : pcie: dt: potential issue in range parsing
On Wed, Feb 05, 2014 at 12:21:07PM -0500, Jason Cooper wrote:
>
> + Bjorn, linux-pci
>
> Bjorn,
>
> It looks like this didn't get Cc'd to linux-pci. Here's a link:
>
> http://www.spinics.net/lists/arm-kernel/msg299721.html

Thanks for the heads-up; I had indeed missed this (I mostly rely on
patchwork, which only tracks linux-pci, and it's not smart enough to
extract quoted patches).

Applied to pci/host-mvebu for v3.15, thanks!

>
> On Wed, Feb 05, 2014 at 04:47:10PM +0100, Thomas Petazzoni wrote:
> > Dear Jean-Jacques Hiblot,
> >
> > On Fri, 10 Jan 2014 11:23:51 +0100, Jean-Jacques Hiblot wrote:
> > > The second parameter of of_read_number is not the index, but a size.
> > > As it happens, in this case it may work just fine because of the the conversion
> > > to u32 and the favorable endianness on this architecture.
> > >
> > > Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
> > > ---
> > > drivers/pci/host/pci-mvebu.c | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
> > > index c269e43..877e8ce 100644
> > > --- a/drivers/pci/host/pci-mvebu.c
> > > +++ b/drivers/pci/host/pci-mvebu.c
> > > @@ -768,7 +768,7 @@ static int mvebu_get_tgt_attr(struct device_node *np, int devfn,
> > >
> > > for (i = 0; i < nranges; i++) {
> > > u32 flags = of_read_number(range, 1);
> > > - u32 slot = of_read_number(range, 2);
> > > + u32 slot = of_read_number(range + 1, 1);
> > > u64 cpuaddr = of_read_number(range + na, pna);
> > > unsigned long rtype;
> > >
> >
> > Sorry for the long delay, and thanks for the fix!
> >
> > Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> > Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> >
> > (on Armada 370, with PCIe cards plugged in)
>
>
> Fixes: 11be65472a427 ("PCI: mvebu: Adapt to the new device tree layout")
> Cc: <stable@vger.kernel.org> # v3.12+
> Acked-by: Jason Cooper <jason@lakedaemon.net>
>
> thx,
>
> Jason.


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