linux-kernel - Re: [PATCH 3/9] aty128fb: use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID

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Message-ID: <51C987AA.9070006@huawei.com>
Date:	Tue, 25 Jun 2013 20:06:02 +0800
From:	Yijing Wang <wangyijing@...wei.com>
To:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
CC:	Yijing Wang <wangyijing@...wei.com>,
	Paul Mackerras <paulus@...ba.org>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	<linux-kernel@...r.kernel.org>, <linux-fbdev@...r.kernel.org>
Subject: Re: [PATCH 3/9] aty128fb: use pdev->pm_cap instead of pci_find_capability(..,PCI_CAP_ID_PM)

Ping.....?

On 2013/6/18 16:15, Yijing Wang wrote:
> Pci core has been saved pm cap register offset by pdev->pm_cap in pci_pm_init()
> in init path. So we can use pdev->pm_cap instead of using
> pci_find_capability(pdev, PCI_CAP_ID_PM) for better performance and simplified code.
> 
> Signed-off-by: Yijing Wang <wangyijing@...wei.com>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
> Cc: Tomi Valkeinen <tomi.valkeinen@...com>
> Cc: linux-fbdev@...r.kernel.org
> ---
>  drivers/video/aty/aty128fb.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
> index 8c55011..a4dfe8c 100644
> --- a/drivers/video/aty/aty128fb.c
> +++ b/drivers/video/aty/aty128fb.c
> @@ -2016,7 +2016,7 @@ static int aty128_init(struct pci_dev *pdev, const struct pci_device_id *ent)
>  
>  	aty128_init_engine(par);
>  
> -	par->pm_reg = pci_find_capability(pdev, PCI_CAP_ID_PM);
> +	par->pm_reg = pdev->pm_cap;
>  	par->pdev = pdev;
>  	par->asleep = 0;
>  	par->lock_blank = 0;
> 


-- 
Thanks!
Yijing

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