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authorTony Lindgren <tony@atomide.com>2017-03-06 08:37:53 -0800
committerTony Lindgren <tony@atomide.com>2017-03-06 08:37:53 -0800
commite24bce8fb4c26bd0d8eca74cbbee1ad049246be3 (patch)
treec219c2ec183633aa15841fca5b055a09d2d0b980 /include/linux/device.h
parentb92675d998a9fa37fe9e0e35053a95b4a23c158b (diff)
parentc1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 (diff)
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Merge tag 'v4.11-rc1' into omap-for-v4.11/fixes
Linux 4.11-rc1
Diffstat (limited to 'include/linux/device.h')
-rw-r--r--include/linux/device.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 491b4c0ca633..30c4570e928d 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -88,6 +88,8 @@ extern void bus_remove_file(struct bus_type *, struct bus_attribute *);
*
* @suspend: Called when a device on this bus wants to go to sleep mode.
* @resume: Called to bring a device on this bus out of sleep mode.
+ * @num_vf: Called to find out how many virtual functions a device on this
+ * bus supports.
* @pm: Power management operations of this bus, callback the specific
* device driver's pm-ops.
* @iommu_ops: IOMMU specific operations for this bus, used to attach IOMMU
@@ -127,6 +129,8 @@ struct bus_type {
int (*suspend)(struct device *dev, pm_message_t state);
int (*resume)(struct device *dev);
+ int (*num_vf)(struct device *dev);
+
const struct dev_pm_ops *pm;
const struct iommu_ops *iommu_ops;
@@ -921,6 +925,7 @@ struct device {
#ifdef CONFIG_NUMA
int numa_node; /* NUMA node this device is close to */
#endif
+ const struct dma_map_ops *dma_ops;
u64 *dma_mask; /* dma mask (if dma'able device) */
u64 coherent_dma_mask;/* Like dma_mask, but for
alloc_coherent mappings as
@@ -1135,11 +1140,19 @@ static inline bool device_supports_offline(struct device *dev)
extern void lock_device_hotplug(void);
extern void unlock_device_hotplug(void);
extern int lock_device_hotplug_sysfs(void);
+void assert_held_device_hotplug(void);
extern int device_offline(struct device *dev);
extern int device_online(struct device *dev);
extern void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
extern void set_secondary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
+static inline int dev_num_vf(struct device *dev)
+{
+ if (dev->bus && dev->bus->num_vf)
+ return dev->bus->num_vf(dev);
+ return 0;
+}
+
/*
* Root device objects for grouping under /sys/devices
*/