diff options
author | Kazuhiro SUZUKI <kaz@jp.fujitsu.com> | 2011-02-19 01:43:07 +0300 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-03-16 20:06:29 +0300 |
commit | c7853aea57d8e850b0979e7bdcbcabdcbbdd9e37 (patch) | |
tree | 2cfd0f35cdd1a115e672f78653b34fdced4bd251 /drivers/xen/xenbus/xenbus_probe.c | |
parent | 76ca07832842100b14a31ad8996dab7b0c28aa42 (diff) | |
download | linux-c7853aea57d8e850b0979e7bdcbcabdcbbdd9e37.tar.xz |
xen: xenbus PM events support
Make xenbus frontend device subscribe to PM events
to receive suspend/resume/freeze/thaw/restore
notifications.
Signed-off-by: Kenji Wakamiya <wkenji@jp.fujitsu.com>
Signed-off-by: Kazuhiro Suzuki <kaz@jp.fujitsu.com>
Signed-off-by: Shriram Rajagopalan <rshriram@cs.ubc.ca>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
[shriram--minor mods and improved commit message]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen/xenbus/xenbus_probe.c')
-rw-r--r-- | drivers/xen/xenbus/xenbus_probe.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index baa65e7fbbc7..739769551e33 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -577,7 +577,7 @@ void xenbus_dev_changed(const char *node, struct xen_bus_type *bus) } EXPORT_SYMBOL_GPL(xenbus_dev_changed); -int xenbus_dev_suspend(struct device *dev, pm_message_t state) +int xenbus_dev_suspend(struct device *dev) { int err = 0; struct xenbus_driver *drv; @@ -590,7 +590,7 @@ int xenbus_dev_suspend(struct device *dev, pm_message_t state) return 0; drv = to_xenbus_driver(dev->driver); if (drv->suspend) - err = drv->suspend(xdev, state); + err = drv->suspend(xdev); if (err) printk(KERN_WARNING "xenbus: suspend %s failed: %i\n", dev_name(dev), err); @@ -642,6 +642,14 @@ int xenbus_dev_resume(struct device *dev) } EXPORT_SYMBOL_GPL(xenbus_dev_resume); +int xenbus_dev_cancel(struct device *dev) +{ + /* Do nothing */ + DPRINTK("cancel"); + return 0; +} +EXPORT_SYMBOL_GPL(xenbus_dev_cancel); + /* A flag to determine if xenstored is 'ready' (i.e. has started) */ int xenstored_ready = 0; |