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

From: Yijing Wang
Date: Mon Sep 29 2014 - 06:14:00 EST

On 2014/9/29 16:37, Lucas Stach wrote:
> 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


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