linux-kernel - Re: [PATCH 9/9] radeon: use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID

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Message-ID: <51CBE099.9040802@huawei.com>
Date:	Thu, 27 Jun 2013 14:50:01 +0800
From:	Yijing Wang <wangyijing@...wei.com>
To:	Tomi Valkeinen <tomi.valkeinen@...com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	<linux-kernel@...r.kernel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	<linux-fbdev@...r.kernel.org>
Subject: Re: [PATCH 9/9] radeon: use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM)

On 2013/6/27 14:34, Tomi Valkeinen wrote:
> On 27/06/13 04:51, Yijing Wang wrote:
>> On 2013/6/26 21:15, Tomi Valkeinen wrote:
> 
>>> I couldn't find the rest of this series, and I'm not familiar with PCI.
>>> So: is this patch and "aty128fb: use pdev->pm_cap instead of
>>> pci_find_capability(..,PCI_CAP_ID_PM)" safe to apply for fbdev-3.11
>>> without anything else? I.e. has the PCI core changes been merged in 3.10
>>> or ealier?
>>
>> Hi Tomi,
>>    Thanks for your reply. Yes, it's safe, because PCI core has been use pdev->pm_cap to save
>> the pm capability offset already. And PCI core changes related this pm init code has been merged
>> long long ago(since year 2008). This series changes just to simplifier driver code about pm code.
>> It's not necessary to access pci device register to get pm cap again, drivers can use pci device pm_cap
>> member. and this series had no changes in PCI core. The rest of this series like for bnx2, bnx2x etc has
>> been tested and accepted by other subsystems.
> 
> Ok, thanks. I'll apply the two patches to my fbdev-3.11 branch.
> 
>  Tomi
> 
> 

Thanks very much!

-- 
Thanks!
Yijing

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