Re: [PATCH] PCI: export and use pci_msi_get_hwirq in pci-hyperv.c

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On Thu, May 07, 2020 at 03:58:31PM -0500, Rob Herring wrote:
> On Wed, Apr 22, 2020 at 07:58:15PM +0000, Wei Liu wrote:
> > There is a functionally identical function in pci-hyperv.c. Drop it and
> > use pci_msi_get_hwirq instead.
> > 
> > This requires exporting pci_msi_get_hwirq and declaring it in msi.h.
> > 
> > No functional change intended.
> > 
> > Signed-off-by: Wei Liu <wei.liu@xxxxxxxxxx>
> > ---
> >  arch/x86/include/asm/msi.h          | 4 ++++
> >  arch/x86/kernel/apic/msi.c          | 5 +++--
> >  drivers/pci/controller/pci-hyperv.c | 8 +-------
> >  3 files changed, 8 insertions(+), 9 deletions(-)
> 
> Would be better if done in a way to remove an x86 dependency. 

This is a good point, Rob. I will see what I can do.

Wei.

> 
> I guess this would do it:
> 
> #define pci_msi_get_hwirq NULL
> 
> when GENERIC_MSI_DOMAIN_OPS is enabled.



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