summaryrefslogtreecommitdiffstats
path: root/drivers/pci/pci-sysfs.c
diff options
context:
space:
mode:
authorSebastian Ott <sebott@linux.vnet.ibm.com>2014-04-17 19:46:15 +0200
committerBjorn Helgaas <bhelgaas@google.com>2014-04-30 14:48:41 -0600
commitdfc73e7acd9925b434a355eeeed86d44cb435f9c (patch)
tree02b907874b2f1bbce4c485f4bc40ffd161715da2 /drivers/pci/pci-sysfs.c
parent1e358f94c00570f88a590cabe718daf835440cc9 (diff)
PCI: Move Open Firmware devspec attribute to PCI common code
Move the devspec OF attribute to PCI common code's set of device attributes since it's not architecture dependent. As a side effect microblaze and powerpc no longer need to use pcibios_add_platform_entries(). [bhelgaas: fold in #include for compile error] Link: https://lkml.kernel.org/r/alpine.LFD.2.11.1404141101500.1529@denkbrett Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/pci/pci-sysfs.c')
-rw-r--r--drivers/pci/pci-sysfs.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 4e0acefb756..3db1c7ff5dd 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -29,6 +29,7 @@
#include <linux/slab.h>
#include <linux/vgaarb.h>
#include <linux/pm_runtime.h>
+#include <linux/of.h>
#include "pci.h"
static int sysfs_initialized; /* = 0 */
@@ -416,6 +417,20 @@ static ssize_t d3cold_allowed_show(struct device *dev,
static DEVICE_ATTR_RW(d3cold_allowed);
#endif
+#ifdef CONFIG_OF
+static ssize_t devspec_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct device_node *np = pci_device_to_OF_node(pdev);
+
+ if (np == NULL || np->full_name == NULL)
+ return 0;
+ return sprintf(buf, "%s", np->full_name);
+}
+static DEVICE_ATTR_RO(devspec);
+#endif
+
#ifdef CONFIG_PCI_IOV
static ssize_t sriov_totalvfs_show(struct device *dev,
struct device_attribute *attr,
@@ -521,6 +536,9 @@ static struct attribute *pci_dev_attrs[] = {
#if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI)
&dev_attr_d3cold_allowed.attr,
#endif
+#ifdef CONFIG_OF
+ &dev_attr_devspec.attr,
+#endif
NULL,
};