linux-kernel - [PATCH 1/3] iommu/amd: Use dev_is_pci() to check whether it is pci device

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Message-ID: <1386243761-27400-1-git-send-email-wangyijing@huawei.com>
Date:	Thu, 5 Dec 2013 19:42:41 +0800
From:	Yijing Wang <wangyijing@...wei.com>
To:	Alex Williamson <alex.williamson@...hat.com>,
	Joerg Roedel <joro@...tes.org>
CC:	<iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>,
	Yijing Wang <wangyijing@...wei.com>,
	Hanjun Guo <guohanjun@...wei.com>
Subject: [PATCH 1/3] iommu/amd: Use dev_is_pci() to check whether it is pci device

Use PCI standard marco dev_is_pci() instead of directly compare
pci_bus_type to check whether it is pci device.

Signed-off-by: Yijing Wang <wangyijing@...wei.com>
---
 drivers/iommu/amd_iommu.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 72531f0..faf0da4 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -248,8 +248,8 @@ static bool check_device(struct device *dev)
 	if (!dev || !dev->dma_mask)
 		return false;
 
-	/* No device or no PCI device */
-	if (dev->bus != &pci_bus_type)
+	/* No PCI device */
+	if (!dev_is_pci(dev))
 		return false;
 
 	devid = get_device_id(dev);
-- 
1.7.1


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