Re: [PATCH v2 00/22] Use MSI chip framework to configure MSI/MSI-X in all platforms

[Lucas Stach <l.stach@xxxxxxxxxxxxxx>]

Am Sonntag, den 28.09.2014, 14:11 +0800 schrieb Yijing Wang:
> On 2014/9/28 10:32, Yijing Wang wrote:
> > On 2014/9/26 17:05, Thierry Reding wrote:
> >> On Fri, Sep 26, 2014 at 10:54:32AM +0200, Thierry Reding wrote:
> >> [...]
> >>> At least for Tegra it's trivial to just hook it up in tegra_pcie_scan_bus()
> >>> directly (patch attached).
> >>
> >> Really attached this time.
> >>
> >> Thierry
> >>
> > 
> > It looks good to me, so I will update the arm pci hostbridge driver to assign
> > pci root bus the msi chip instead of current pcibios_add_bus(). But for other
> > platforms which only have a one msi chip, I will kept the arch_find_msi_chip()
> > temporarily for more comments, especially from Bjorn.
> 
> Oh, sorry, I found designware and rcar use pci_scan_root_bus(), so we can not simply
> assign msi chip to root bus in all host drivers's scan functions.

Designware will switch away from pci_scan_root_bus() in the 3.18 cycle
and I would think it would be no problem to to the same with rcar.

Regards,
Lucas

-- 
Pengutronix e.K.             | Lucas Stach                 |
Industrial Linux Solutions   | http://www.pengutronix.de/  |

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