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authorTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
committerTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
commitf0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch)
treed4bfd9489cf4a96a55d83af20919f477a846d585 /drivers/pci/pci-sysfs.c
parentMerge branch 'topic/ca0132-fix' into for-linus (diff)
parentASoC: wm9712: Fix inverted capture volume (diff)
downloadlinux-f0b433e9f362e0b7f0ce7d1489dd7feba068605d.tar.xz
linux-f0b433e9f362e0b7f0ce7d1489dd7feba068605d.zip
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6 A batch more bugfixes, all driver-specific and fairly small and unremarkable in a global context. The biggest batch are for the newly added Arizona drivers.
Diffstat (limited to 'drivers/pci/pci-sysfs.c')
-rw-r--r--drivers/pci/pci-sysfs.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 86c63fe45d11..6869009c7393 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -28,6 +28,7 @@
#include <linux/pci-aspm.h>
#include <linux/slab.h>
#include <linux/vgaarb.h>
+#include <linux/pm_runtime.h>
#include "pci.h"
static int sysfs_initialized; /* = 0 */
@@ -378,6 +379,31 @@ dev_bus_rescan_store(struct device *dev, struct device_attribute *attr,
#endif
+#if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI)
+static ssize_t d3cold_allowed_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ unsigned long val;
+
+ if (strict_strtoul(buf, 0, &val) < 0)
+ return -EINVAL;
+
+ pdev->d3cold_allowed = !!val;
+ pm_runtime_resume(dev);
+
+ return count;
+}
+
+static ssize_t d3cold_allowed_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ return sprintf (buf, "%u\n", pdev->d3cold_allowed);
+}
+#endif
+
struct device_attribute pci_dev_attrs[] = {
__ATTR_RO(resource),
__ATTR_RO(vendor),
@@ -402,6 +428,9 @@ struct device_attribute pci_dev_attrs[] = {
__ATTR(remove, (S_IWUSR|S_IWGRP), NULL, remove_store),
__ATTR(rescan, (S_IWUSR|S_IWGRP), NULL, dev_rescan_store),
#endif
+#if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI)
+ __ATTR(d3cold_allowed, 0644, d3cold_allowed_show, d3cold_allowed_store),
+#endif
__ATTR_NULL,
};
@@ -1112,7 +1141,7 @@ static struct bin_attribute pcie_config_attr = {
.write = pci_write_config,
};
-int __attribute__ ((weak)) pcibios_add_platform_entries(struct pci_dev *dev)
+int __weak pcibios_add_platform_entries(struct pci_dev *dev)
{
return 0;
}