linux-kernel - [PATCH 1/2] PCI: introduce accessor to retrieve PCIe Capabilities Register

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Message-ID: <20130126005539.25808.86935.stgit@amt.stowe>
Date:	Fri, 25 Jan 2013 17:55:39 -0700
From:	Myron Stowe <myron.stowe@...hat.com>
To:	bhelgaas@...gle.com
Cc:	linux-pci@...r.kernel.org, jiang.liu@...wei.com,
	mcgrof@....qualcomm.com, mcgrof@...not-panic.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] PCI: introduce accessor to retrieve PCIe Capabilities
	Register

Provide an accessor to retrieve the PCI Express device's Capabilities
Register.

Signed-off-by: Myron Stowe <myron.stowe@...hat.com>
---

 include/linux/pci.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 15472d6..78581e1 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1693,6 +1693,15 @@ static inline bool pci_is_pcie(struct pci_dev *dev)
 }
 
 /**
+ * pcie_caps_reg - get the PCIe Capabilities Register
+ * @dev: PCI device
+ */
+static inline u16 pcie_caps_reg(const struct pci_dev *dev)
+{
+	return dev->pcie_flags_reg;
+}
+
+/**
  * pci_pcie_type - get the PCIe device/port type
  * @dev: PCI device
  */

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