[PATCHv3 07/11] arm: pci: add ->add_bus() and ->remove_bus() hooks to hw_pci

[Thierry Reding]

On Wed, Jun 19, 2013 at 06:56:15PM +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>
> ---
>  arch/arm/include/asm/mach/pci.h |  4 ++++
>  arch/arm/kernel/bios32.c        | 16 ++++++++++++++++
>  2 files changed, 20 insertions(+)

Reviewed-by: Thierry Reding <thierry.reding at gmail.com>
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