[PATCHv5 08/11] ARM: pci: add ->add_bus() and ->remove_bus() hooks to hw_pci
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Fri Jul 26 04:13:05 EDT 2013
Dear Thierry Reding,
On Thu, 25 Jul 2013 09:57:00 -0700, Thierry Reding wrote:
> On Mon, Jul 15, 2013 at 01:52:44PM +0200, Thomas Petazzoni wrote:
> > Some PCI drivers may need to adjust the pci_bus structure after it has
> > been allocated by the Linux PCI core. The PCI core allows
> > architectures to implement the pcibios_add_bus() and
> > pcibios_remove_bus() for this purpose. This commit therefore extends
> > the hw_pci and pci_sys_data structures of the ARM PCI core to allow
> > PCI drivers to register ->add_bus() and ->remove_bus() in hw_pci,
> > which will get called when a bus is added or removed from the system.
> >
> > This will be used for example by the Marvell PCIe driver to connect a
> > particular PCI bus with its corresponding MSI chip to handle Message
> > Signaled Interrupts.
> >
> > Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> > Reviewed-by: Thierry Reding <thierry.reding at gmail.com>
> > ---
> > arch/arm/include/asm/mach/pci.h | 4 ++++
> > arch/arm/kernel/bios32.c | 16 ++++++++++++++++
> > 2 files changed, 20 insertions(+)
>
> Hi Russell,
>
> Can we have your Acked-by on this patch so that it can be moved to a
> stable branch along with some of the other patches in this branch that
> both Marvell and Tegra PCIe drivers need?
I've pinged Russell a few times about this patch already, but haven't
received feedback from him. Do you think I can just go ahead and submit
the patch to Russell's patch system, after fixing the minor nits you
mentioned?
Thanks,
Thomas
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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