On Thu, Mar 03, 2016 at 12:31:42AM +0200, Lennert Buytenhek wrote:
> On Tue, Mar 01, 2016 at 09:58:33AM +0000, Lorenzo Pieralisi wrote:
>
> > > > According to kernel documentation, the pci=firmware command line
> > > > parameter is only meant to be used on IXP2000 ARM platforms to prevent
> > > > the kernel from assigning PCI resources configured by the bootloader.
> > > >
> > > > Since the IXP2000 ARM platforms support has been removed from the
> > > > kernel in commit:
> > > >
> > > > commit c65f2abf54a6 ("ARM: remove ixp23xx and ixp2000 platforms")
> > > >
> > > > its platforms specific kernel parameters should be removed
> > > > too from the kernel documentation along with the kernel code
> > > > currently handling them in that they have just become obsolete.
> > > >
> > > > This patch removes the pci=firmware command line parameter handling
> > > > from ARM code and the related kernel parameters documentation
> > > > section.
> > > >
> > > > Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> > > > Cc: Arnd Bergmann <arnd@xxxxxxxx>
> > > > Cc: Lennert Buytenhek <kernel@xxxxxxxxxxxxxx>
> > > > Cc: Jonathan Corbet <corbet@xxxxxxx>
> > > > Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> > > > Cc: Rob Herring <robh@xxxxxxxxxx>
> > > > Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
> > >
> > > Acked-by: Lennert Buytenhek <kernel@xxxxxxxxxxxxxx>
> >
> > Thank you Lennert, I take this as an acknowledgement that you are not
> > aware of any other ARM platform using that kernel parameter other than
> > IXP2000s, according to documentation there should not be any but it is a
> > bit complicated to figure out.
>
> I'm not aware of other platforms using this, but that might not say
> much, I've been out of the loop on Linux/ARM things for a while now.
I think we should go ahead otherwise we are stuck forever with it,
it is probably best for this patch to land in -next beginning of
next cycle to unearth possible issues, that's the same thing
we did for the latest changes in arm pcibios that we feared could
trigger regressions.
Russell, what's your opinion on this ? Please let me know.
Thanks !
Lorenzo
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