netdev - [net-next v2 08/15] PCI: expose pcie_link_speed and pcix_bus

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Message-Id: <1375264777-13595-9-git-send-email-jeffrey.t.kirsher@intel.com>
Date:	Wed, 31 Jul 2013 02:59:30 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net, bhelgaas@...gle.com
Cc:	Jacob Keller <jacob.e.keller@...el.com>, netdev@...r.kernel.org,
	gospo@...hat.com, sassmann@...hat.com, linux-pci@...r.kernel.org,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next v2 08/15] PCI: expose pcie_link_speed and pcix_bus_speed arrays

From: Jacob Keller <jacob.e.keller@...el.com>

pcie_link_speed and pcix_bus_speed are arrays used by probe.c to correctly
convert lnksta register values into the pci_bus_speed enum. These static arrays
are useful outside probe for this purpose. This patch makes these defines into
conist arrays and exposes them with an extern header in drivers/pci/pci.h

-v2-
* move extern declarations to drivers/pci/pci.h

CC: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/pci/pci.h   | 3 +++
 drivers/pci/probe.c | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index d1182c4..948d1a0 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -6,6 +6,9 @@
 #define PCI_CFG_SPACE_SIZE	256
 #define PCI_CFG_SPACE_EXP_SIZE	4096
 
+extern const unsigned char pcix_bus_speed[];
+extern const unsigned char pcie_link_speed[];
+
 /* Functions internal to the PCI core code */
 
 int pci_create_sysfs_dev_files(struct pci_dev *pdev);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 46ada5c..496c5b0 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -513,7 +513,7 @@ static struct pci_host_bridge *pci_alloc_host_bridge(struct pci_bus *b)
 	return bridge;
 }
 
-static unsigned char pcix_bus_speed[] = {
+const unsigned char pcix_bus_speed[] = {
 	PCI_SPEED_UNKNOWN,		/* 0 */
 	PCI_SPEED_66MHz_PCIX,		/* 1 */
 	PCI_SPEED_100MHz_PCIX,		/* 2 */
@@ -532,7 +532,7 @@ static unsigned char pcix_bus_speed[] = {
 	PCI_SPEED_133MHz_PCIX_533	/* F */
 };
 
-static unsigned char pcie_link_speed[] = {
+const unsigned char pcie_link_speed[] = {
 	PCI_SPEED_UNKNOWN,		/* 0 */
 	PCIE_SPEED_2_5GT,		/* 1 */
 	PCIE_SPEED_5_0GT,		/* 2 */
-- 
1.7.11.7

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