Re: [Xen-devel] [PATCH v3 10/27] PCI/MSI: Remove useless bus->msi assignment

[Bjorn Helgaas <bhelgaas@xxxxxxxxxx>]

On Wed, Oct 15, 2014 at 11:06:58AM +0800, Yijing Wang wrote:
> Now msi chip is saved in pci_sys_data in arm,
> we could clean the bus->msi assignment in
> pci core.
> 
> Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
> CC: Thierry Reding <thierry.reding@xxxxxxxxx>
> CC: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
> ---
>  drivers/pci/probe.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
> index efa48dc..98bf4c3 100644
> --- a/drivers/pci/probe.c
> +++ b/drivers/pci/probe.c
> @@ -682,7 +682,6 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus 
> *parent,
>  
>       child->parent = parent;
>       child->ops = parent->ops;
> -     child->msi = parent->msi;

This needs an explanation of why ARM was the only arch to depend on this.

>       child->sysdata = parent->sysdata;
>       child->bus_flags = parent->bus_flags;
>  
> -- 
> 1.7.1
> 
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