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Date: Mon, 29 Sep 2014 18:13:17 +0800
From: Yijing Wang <wangyijing@huawei.com>
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Subject: Re: [PATCH v2 00/22] Use MSI chip framework to configure MSI/MSI-X
 in all platforms
References: <1411614872-4009-1-git-send-email-wangyijing@huawei.com>	 <20140925074235.GN12423@ulmo> <20140925144855.GB31157@bart.dudau.co.uk>	 <20140925164937.GB30382@ulmo> <20140925171612.GC31157@bart.dudau.co.uk>	 <542505B3.7040208@huawei.com> <20140926085430.GG31106@ulmo>	 <20140926090537.GH31106@ulmo> <54277327.6070500@huawei.com>	 <5427A6A0.5040703@huawei.com> <1411979850.2625.7.camel@pengutronix.de>
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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.

Good.

> 
> Regards,
> Lucas
> 


-- 
Thanks!
Yijing