From c7853aea57d8e850b0979e7bdcbcabdcbbdd9e37 Mon Sep 17 00:00:00 2001 From: Kazuhiro SUZUKI Date: Fri, 18 Feb 2011 14:43:07 -0800 Subject: 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 Signed-off-by: Kazuhiro Suzuki Signed-off-by: Shriram Rajagopalan Acked-by: Ian Campbell [shriram--minor mods and improved commit message] Signed-off-by: Konrad Rzeszutek Wilk --- drivers/xen/xenbus/xenbus_probe.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'drivers/xen/xenbus/xenbus_probe.c') 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; -- cgit v1.2.3-59-g8ed1b