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Subject: [PATCH v2 1/9] PCI: add helper pci_dev_id
From:   Heiner Kallweit <hkallweit1@gmail.com>
To:     Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Oded Gabbay <oded.gabbay@gmail.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>,
        "David (ChunMing) Zhou" <David1.Zhou@amd.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Joerg Roedel <joro@8bytes.org>,
        David Woodhouse <dwmw2@infradead.org>,
        Realtek linux nic maintainers <nic_swsd@realtek.com>,
        "David S. Miller" <davem@davemloft.net>,
        Giuseppe Cavallaro <peppe.cavallaro@st.com>,
        Alexandre Torgue <alexandre.torgue@st.com>,
        Jose Abreu <joabreu@synopsys.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Benson Leung <bleung@chromium.org>,
        Enric Balletbo i Serra <enric.balletbo@collabora.com>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Paul Mackerras <paulus@samba.org>
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        <linux-arm-kernel@lists.infradead.org>,
        "open list:PCI SUBSYSTEM" <linux-pci@vger.kernel.org>
References: <2e1f9a57-6d08-d017-24da-3e6b97fa2449@gmail.com>
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Date:   Wed, 24 Apr 2019 21:11:58 +0200
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In several places in the kernel we find PCI_DEVID used like this:
PCI_DEVID(dev->bus->number, dev->devfn) Therefore create a helper
for it.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 include/linux/pci.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 2c056a7a7..28d0313a3 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -598,6 +598,11 @@ struct pci_bus {
 
 #define to_pci_bus(n)	container_of(n, struct pci_bus, dev)
 
+static inline u16 pci_dev_id(struct pci_dev *dev)
+{
+	return PCI_DEVID(dev->bus->number, dev->devfn);
+}
+
 /*
  * Returns true if the PCI bus is root (behind host-PCI bridge),
  * false otherwise
-- 
2.21.0