davidlt/kernel-ark
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

rapidio: add shutdown notification for RapidIO devices

Browse Source 
Add bus-specific callback to stop RapidIO devices during a system
shutdown.

Signed-off-by: Alexandre 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexandre Bounine 2016-03-22 14:26:05 -07:00 committed by Linus Torvalds
parent dbe74afe6a
commit 83dc2cbc11
2 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/rapidio/rio-driver.c
View File

@ -131,6 +131,17 @@ static int rio_device_remove(struct device *dev)
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
* @rdrv: the RIO driver structure to register
@ -229,6 +240,7 @@ struct bus_type rio_bus_type = {
.bus_groups = rio_bus_groups,
.probe = rio_device_probe,
.remove = rio_device_remove,
.shutdown = rio_device_shutdown,
.uevent = rio_uevent,
};

2
include/linux/rio.h
View File

@ -423,6 +423,7 @@ struct rio_ops {
* @id_table: RIO device ids to be associated with this driver
* @probe: RIO device inserted
* @remove: RIO device removed
* @shutdown: shutdown notification callback
* @suspend: RIO device suspended
* @resume: RIO device awakened
* @enable_wake: RIO device enable wake event
@ -437,6 +438,7 @@ struct rio_driver {
const struct rio_device_id *id_table;
int (*probe) (struct rio_dev * dev, const struct rio_device_id * id);
void (*remove) (struct rio_dev * dev);
void (*shutdown)(struct rio_dev *dev);
int (*suspend) (struct rio_dev * dev, u32 state);
int (*resume) (struct rio_dev * dev);
int (*enable_wake) (struct rio_dev * dev, u32 state, int enable);