netdev - [PATCH iwl-next v3 1/2] PCI: Add PCI_VDEVICE

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Message-ID: <20241218131238.5968-2-piotr.kwapulinski@intel.com>
Date: Wed, 18 Dec 2024 14:12:37 +0100
From: Piotr Kwapulinski <piotr.kwapulinski@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
	Piotr Kwapulinski <piotr.kwapulinski@...el.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>
Subject: [PATCH iwl-next v3 1/2] PCI: Add PCI_VDEVICE_SUB helper macro

PCI_VDEVICE_SUB generates the pci_device_id struct layout for
the specific PCI device/subdevice. Private data may follow the
output.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@...el.com>
Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
 include/linux/pci.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index db9b47c..414ee5f 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1046,6 +1046,20 @@ struct pci_driver {
 	.vendor = PCI_VENDOR_ID_##vend, .device = (dev), \
 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0
 
+/**
+ * PCI_VDEVICE_SUB - describe a specific PCI device/subdevice in a short form
+ * @vend: the vendor name
+ * @dev: the 16 bit PCI Device ID
+ * @subvend: the 16 bit PCI Subvendor ID
+ * @subdev: the 16 bit PCI Subdevice ID
+ *
+ * Generate the pci_device_id struct layout for the specific PCI
+ * device/subdevice. Private data may follow the output.
+ */
+#define PCI_VDEVICE_SUB(vend, dev, subvend, subdev) \
+	.vendor = PCI_VENDOR_ID_##vend, .device = (dev), \
+	.subvendor = (subvend), .subdevice = (subdev), 0, 0
+
 /**
  * PCI_DEVICE_DATA - macro used to describe a specific PCI device in very short form
  * @vend: the vendor name (without PCI_VENDOR_ID_ prefix)
-- 
2.43.0