Commit 83dc2cbc authored by Alexandre Bounine's avatar Alexandre Bounine Committed by Linus Torvalds

rapidio: add shutdown notification for RapidIO devices

Add bus-specific callback to stop RapidIO devices during a system
shutdown.
Signed-off-by: default avatarAlexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Andre van Herk <andre.van.herk@prodrive-technologies.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent dbe74afe
...@@ -131,6 +131,17 @@ static int rio_device_remove(struct device *dev) ...@@ -131,6 +131,17 @@ static int rio_device_remove(struct device *dev)
return 0; return 0;
} }
static void rio_device_shutdown(struct device *dev)
{
struct rio_dev *rdev = to_rio_dev(dev);
struct rio_driver *rdrv = rdev->driver;
dev_dbg(dev, "RIO: %s\n", __func__);
if (rdrv && rdrv->shutdown)
rdrv->shutdown(rdev);
}
/** /**
* rio_register_driver - register a new RIO driver * rio_register_driver - register a new RIO driver
* @rdrv: the RIO driver structure to register * @rdrv: the RIO driver structure to register
...@@ -229,6 +240,7 @@ struct bus_type rio_bus_type = { ...@@ -229,6 +240,7 @@ struct bus_type rio_bus_type = {
.bus_groups = rio_bus_groups, .bus_groups = rio_bus_groups,
.probe = rio_device_probe, .probe = rio_device_probe,
.remove = rio_device_remove, .remove = rio_device_remove,
.shutdown = rio_device_shutdown,
.uevent = rio_uevent, .uevent = rio_uevent,
}; };
......
...@@ -423,6 +423,7 @@ struct rio_ops { ...@@ -423,6 +423,7 @@ struct rio_ops {
* @id_table: RIO device ids to be associated with this driver * @id_table: RIO device ids to be associated with this driver
* @probe: RIO device inserted * @probe: RIO device inserted
* @remove: RIO device removed * @remove: RIO device removed
* @shutdown: shutdown notification callback
* @suspend: RIO device suspended * @suspend: RIO device suspended
* @resume: RIO device awakened * @resume: RIO device awakened
* @enable_wake: RIO device enable wake event * @enable_wake: RIO device enable wake event
...@@ -437,6 +438,7 @@ struct rio_driver { ...@@ -437,6 +438,7 @@ struct rio_driver {
const struct rio_device_id *id_table; const struct rio_device_id *id_table;
int (*probe) (struct rio_dev * dev, const struct rio_device_id * id); int (*probe) (struct rio_dev * dev, const struct rio_device_id * id);
void (*remove) (struct rio_dev * dev); void (*remove) (struct rio_dev * dev);
void (*shutdown)(struct rio_dev *dev);
int (*suspend) (struct rio_dev * dev, u32 state); int (*suspend) (struct rio_dev * dev, u32 state);
int (*resume) (struct rio_dev * dev); int (*resume) (struct rio_dev * dev);
int (*enable_wake) (struct rio_dev * dev, u32 state, int enable); int (*enable_wake) (struct rio_dev * dev, u32 state, int enable);
......
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