[RFC PATCH 2/9] pci: Move some PCIe register offset definitions to a common header

[Sylwester Nawrocki]

Some PCI Express register offsets are currently defined in multiple
drivers, move them to a common header to avoid re-definitions and
as a pre-requisite for adding new PCIe driver.

Signed-off-by: Sylwester Nawrocki <s.nawrocki at samsung.com>
---
 drivers/pci/pci-rcar-gen3.c   |  8 --------
 drivers/pci/pcie_intel_fpga.c |  3 ---
 include/pci.h                 | 13 +++++++++++++
 3 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/pci/pci-rcar-gen3.c b/drivers/pci/pci-rcar-gen3.c
index 30eff67..393f1c9 100644
--- a/drivers/pci/pci-rcar-gen3.c
+++ b/drivers/pci/pci-rcar-gen3.c
@@ -117,14 +117,6 @@
 #define RCAR_PCI_MAX_RESOURCES	4
 #define MAX_NR_INBOUND_MAPS	6
 
-#define PCI_EXP_FLAGS		2		/* Capabilities register */
-#define PCI_EXP_FLAGS_TYPE	0x00f0		/* Device/Port type */
-#define PCI_EXP_TYPE_ROOT_PORT	0x4		/* Root Port */
-#define PCI_EXP_LNKCAP		12		/* Link Capabilities */
-#define PCI_EXP_LNKCAP_DLLLARC	0x00100000	/* Data Link Layer Link Active Reporting Capable */
-#define PCI_EXP_SLTCAP		20		/* Slot Capabilities */
-#define PCI_EXP_SLTCAP_PSN	0xfff80000	/* Physical Slot Number */
-
 enum {
 	RCAR_PCI_ACCESS_READ,
 	RCAR_PCI_ACCESS_WRITE,
diff --git a/drivers/pci/pcie_intel_fpga.c b/drivers/pci/pcie_intel_fpga.c
index 6a9f29c..69363a0 100644
--- a/drivers/pci/pcie_intel_fpga.c
+++ b/drivers/pci/pcie_intel_fpga.c
@@ -65,9 +65,6 @@
 #define IS_ROOT_PORT(pcie, bdf)				\
 		((PCI_BUS(bdf) == pcie->first_busno) ? true : false)
 
-#define PCI_EXP_LNKSTA		18	/* Link Status */
-#define PCI_EXP_LNKSTA_DLLLA	0x2000	/* Data Link Layer Link Active */
-
 /**
  * struct intel_fpga_pcie - Intel FPGA PCIe controller state
  * @bus: Pointer to the PCI bus
diff --git a/include/pci.h b/include/pci.h
index 174ddd4..3d7646d 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -471,11 +471,24 @@
 #define  PCI_EA_FIELD_MASK	0xfffffffc	/* For Base & Max Offset */
 
 /* PCI Express capabilities */
+#define PCI_EXP_FLAGS		2	/* Capabilities register */
+#define PCI_EXP_FLAGS_TYPE	0x00f0	/* Device/Port type */
+#define  PCI_EXP_TYPE_ROOT_PORT 0x4	/* Root Port */
+
 #define PCI_EXP_DEVCAP		4	/* Device capabilities */
 #define  PCI_EXP_DEVCAP_FLR     0x10000000 /* Function Level Reset */
 #define PCI_EXP_DEVCTL		8	/* Device Control */
 #define  PCI_EXP_DEVCTL_BCR_FLR 0x8000  /* Bridge Configuration Retry / FLR */
 
+#define PCI_EXP_LNKCAP		12	/* Link Capabilities */
+#define  PCI_EXP_LNKCAP_DLLLARC	0x00100000 /* Data Link Layer Link Active Reporting Capable */
+
+#define PCI_EXP_LNKSTA		18	/* Link Status */
+#define  PCI_EXP_LNKSTA_DLLLA	0x2000	/* Data Link Layer Link Active */
+
+#define PCI_EXP_SLTCAP		20	/* Slot Capabilities */
+#define  PCI_EXP_SLTCAP_PSN	0xfff80000 /* Physical Slot Number */
+
 /* Include the ID list */
 
 #include <pci_ids.h>
-- 
2.7.4