diff options
| author | Alexandre Bounine <alexandre.bounine@idt.com> | 2016-03-22 14:26:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-22 15:36:02 -0700 |
| commit | 83dc2cbc1136108068637d5c98636647f7b82461 (patch) | |
| tree | e22a6e0ca8c16d88804597680443ca88f3747a22 | |
| parent | dbe74afe6a66d1606f5cb39f2ad05c39497542e6 (diff) | |
| download | linux-83dc2cbc1136108068637d5c98636647f7b82461.tar.bz2 | |
rapidio: add shutdown notification for RapidIO devices
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>
| -rw-r--r-- | drivers/rapidio/rio-driver.c | 12 | ||||
| -rw-r--r-- | include/linux/rio.h | 2 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/rapidio/rio-driver.c b/drivers/rapidio/rio-driver.c index f301f059bb85..128350f4d17a 100644 --- a/drivers/rapidio/rio-driver.c +++ b/drivers/rapidio/rio-driver.c @@ -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, }; diff --git a/include/linux/rio.h b/include/linux/rio.h index 8996a629a321..c64a0baf37c8 100644 --- a/include/linux/rio.h +++ b/include/linux/rio.h @@ -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); |