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From:   Cai Huoqing <caihuoqing@baidu.com>
To:     <kw@linux.com>, <bhelgaas@google.com>,
        <jonathan.derrick@intel.com>, <lorenzo.pieralisi@arm.com>,
        <robh@kernel.org>
CC:     <linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        Cai Huoqing <caihuoqing@baidu.com>
Subject: [PATCH v3 1/2] PCI: Make use of PCI_DEVICE_SUB/_CLASS() helper macro
Date:   Fri, 23 Jul 2021 11:36:17 +0800
Message-ID: <20210723033618.1025-2-caihuoqing@baidu.com>
In-Reply-To: <20210723033618.1025-1-caihuoqing@baidu.com>
References: <20210723033618.1025-1-caihuoqing@baidu.com>
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We could make use of PCI_DEVICE_SUB/CLASS() helper macro

v1->v2: *fix extra indent for git-apply failure

v2->v3: *update the subject line from "function" to "macro"
	*add changelog to commit message

commit date: 7-23-2021 11:00

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
 drivers/pci/hotplug/cpqphp_core.c | 13 ++-----------
 drivers/pci/search.c              | 14 ++------------
 2 files changed, 4 insertions(+), 23 deletions(-)

diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index f99a7927e5a8..407206a233c8 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -1357,18 +1357,9 @@ static void __exit unload_cpqphpd(void)
 }
 
 static const struct pci_device_id hpcd_pci_tbl[] = {
-	{
 	/* handle any PCI Hotplug controller */
-	.class =        ((PCI_CLASS_SYSTEM_PCI_HOTPLUG << 8) | 0x00),
-	.class_mask =   ~0,
-
-	/* no matter who makes it */
-	.vendor =       PCI_ANY_ID,
-	.device =       PCI_ANY_ID,
-	.subvendor =    PCI_ANY_ID,
-	.subdevice =    PCI_ANY_ID,
-
-	}, { /* end: all zeroes */ }
+	{ PCI_DEVICE_CLASS(((PCI_CLASS_SYSTEM_PCI_HOTPLUG << 8) | 0x00), ~0) },
+	{ /* end: all zeroes */ },
 };
 
 MODULE_DEVICE_TABLE(pci, hpcd_pci_tbl);
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index b4c138a6ec02..528c4fe33171 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -303,11 +303,7 @@ struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device,
 			       struct pci_dev *from)
 {
 	struct pci_device_id id = {
-		.vendor = vendor,
-		.device = device,
-		.subvendor = ss_vendor,
-		.subdevice = ss_device,
-	};
+		PCI_DEVICE_SUB(vendor, device, ss_vendor, ss_device) };
 
 	return pci_get_dev_by_id(&id, from);
 }
@@ -351,13 +347,7 @@ EXPORT_SYMBOL(pci_get_device);
 struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from)
 {
 	struct pci_device_id id = {
-		.vendor = PCI_ANY_ID,
-		.device = PCI_ANY_ID,
-		.subvendor = PCI_ANY_ID,
-		.subdevice = PCI_ANY_ID,
-		.class_mask = PCI_ANY_ID,
-		.class = class,
-	};
+		PCI_DEVICE_CLASS(PCI_ANY_ID, class) };
 
 	return pci_get_dev_by_id(&id, from);
 }
-- 
2.25.1