Re: [PATCH v18 02/20] PCI: Rename PCI_EPC_IRQ_LEGACY to PCI_EPC_IRQ_INTX

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On Sat, Jul 29, 2023 at 10:58:46AM +0900, Damien Le Moal wrote:
> On 7/29/23 10:55, Damien Le Moal wrote:
> > On 7/29/23 10:35, Serge Semin wrote:
> >> On Mon, Jul 24, 2023 at 01:02:11PM +0530, Manivannan Sadhasivam wrote:
> >>> On Fri, Jul 21, 2023 at 05:10:27PM +0900, Damien Le Moal wrote:
> >>>> On 7/21/23 16:44, Yoshihiro Shimoda wrote:
> >>>>> Using "INTx" instead of "legacy" is more specific. So, rename
> >>>>> PCI_EPC_IRQ_LEGACY to PCI_EPC_IRQ_INTX.
> >>>>>
> >>>>> Suggested-by: Bjorn Helgaas <helgaas@xxxxxxxxxx>
> >>>>> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> >>>>> Reviewed-by: Manivannan Sadhasivam <mani@xxxxxxxxxx>
> >>>>> Acked-by: Jesper Nilsson <jesper.nilsson@xxxxxxxx> # ARTPEC
> >>>>> Reviewed-by: Serge Semin <fancer.lancer@xxxxxxxxx>
> >>>>
> >>
> >>>> I would rather drop completely the PCI_EPC_IRQ_XXX enum and simply use the
> >>>> PCI_IRQ_XXX macros used everywhere. Less definitions :)
> >>>>
> >>>> See attached patch that I have in my queue (about to send that).
> >>>>
> >>>
> >>> It looks better! This patch should be dropped.
> >>
> >> Back then Bjorn specifically asked to change the names suffix in a
> >> preparation patch before adding the INTx support to the DW PCIe core
> >> driver (see the Sb tag in the patch log). Damien, seeing you cleanup
> >> the names anyway what about fixing the macro suffix too: INTx instead
> >> of LEGACY)?
> > 
> > Sure, I can do that. That is going to be a gigantic patch though given that
> > PCI_IRQ_LEGACY is used well beyond the ep/pcie controller drivers.
> > While I agree it would be nice to do, not sure it is worth such code churn.
> > 
> >> Mani, Damien, what do you suggest to Yoshihiro to do with the
> >> LEGACY/INTx names in the following up patches of this series?
> > 
> > If everyone is OK with the patch I proposed (the PCI_IRQ_LEGACY -> PCI_IRQ_INTx
> > change can go on top), then I can rebase it and send it next week (the remaining
> > of my EP cleanup series needs some more testing & rebasing). Yoshihiro can
> > either include it in his series or rebase on it if the patch is added to
> > pci-next quickly.
> 
> Note that we could start by simply defining an alias:
> 
> #define PCI_IRQ_INTx	PCI_IRQ_LEGACY
> 
> and gradually convert all drivers using it until we can get rid of PCI_IRQ_LEGACY.
> 
> That probably would be simpler than a treewide patch that would likely create
> lots of conflicts.

Sounds good to me. Though it's better to wait for the Bjorn opinion
about that before moving forward with the implementation.

-Serge(y)

> 
> -- 
> Damien Le Moal
> Western Digital Research
> 



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