linux-kernel - Re: [PATCH 16/16] tg3: clean up unnecessary MSI/MSI-X capability find

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Date:	Fri, 09 Aug 2013 13:51:01 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	wangyijing@...wei.com
Cc:	guohanjun@...wei.com, jiang.liu@...wei.com, nsujir@...adcom.com,
	mchan@...adcom.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 16/16] tg3: clean up unnecessary MSI/MSI-X capability
 find

From: Yijing Wang <wangyijing@...wei.com>
Date: Thu, 8 Aug 2013 21:03:12 +0800

> PCI core will initialize device MSI/MSI-X capability in
> pci_msi_init_pci_dev(). So device driver should use
> pci_dev->msi_cap/msix_cap to determine whether the device
> support MSI/MSI-X instead of using
> pci_find_capability(pci_dev, PCI_CAP_ID_MSI/MSIX).
> Access to PCIe device config space again will consume more time.
> 
> Signed-off-by: Yijing Wang <wangyijing@...wei.com>

Applied.
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