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| author | Alan Stern <stern@rowland.harvard.edu> | 2011-08-19 23:49:48 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2011-08-19 23:49:48 +0200 |
| commit | 5b1b0b812a7b1a5b968c5d06d90d1cb88621b941 (patch) | |
| tree | dd57943592e4152147d1a5667b082e5f30faaf83 /drivers/usb/core/hub.c | |
| parent | 311aab73d273eb22be976055f6cab224f7279d5e (diff) | |
| download | op-kernel-dev-5b1b0b812a7b1a5b968c5d06d90d1cb88621b941.zip op-kernel-dev-5b1b0b812a7b1a5b968c5d06d90d1cb88621b941.tar.gz | |
PM / Runtime: Add macro to test for runtime PM events
This patch (as1482) adds a macro for testing whether or not a
pm_message value represents an autosuspend or autoresume (i.e., a
runtime PM) event. Encapsulating this notion seems preferable to
open-coding the test all over the place.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'drivers/usb/core/hub.c')
| -rw-r--r-- | drivers/usb/core/hub.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index a428aa0..ee50e0b 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2342,7 +2342,7 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) dev_dbg(&udev->dev, "won't remote wakeup, status %d\n", status); /* bail if autosuspend is requested */ - if (msg.event & PM_EVENT_AUTO) + if (PMSG_IS_AUTO(msg)) return status; } } @@ -2367,12 +2367,12 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) USB_CTRL_SET_TIMEOUT); /* System sleep transitions should never fail */ - if (!(msg.event & PM_EVENT_AUTO)) + if (!PMSG_IS_AUTO(msg)) status = 0; } else { /* device has up to 10 msec to fully suspend */ dev_dbg(&udev->dev, "usb %ssuspend\n", - (msg.event & PM_EVENT_AUTO ? "auto-" : "")); + (PMSG_IS_AUTO(msg) ? "auto-" : "")); usb_set_device_state(udev, USB_STATE_SUSPENDED); msleep(10); } @@ -2523,7 +2523,7 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg) } else { /* drive resume for at least 20 msec */ dev_dbg(&udev->dev, "usb %sresume\n", - (msg.event & PM_EVENT_AUTO ? "auto-" : "")); + (PMSG_IS_AUTO(msg) ? "auto-" : "")); msleep(25); /* Virtual root hubs can trigger on GET_PORT_STATUS to @@ -2625,7 +2625,7 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) udev = hdev->children [port1-1]; if (udev && udev->can_submit) { dev_warn(&intf->dev, "port %d nyet suspended\n", port1); - if (msg.event & PM_EVENT_AUTO) + if (PMSG_IS_AUTO(msg)) return -EBUSY; } } |
