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| author | Ming Lei <tom.leiming@gmail.com> | 2010-11-15 23:56:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-11-17 01:02:00 +0300 |
| commit | 63defa73c8c1193c1273474440c30d34c2524597 (patch) | |
| tree | 3d7cbe9351e507ca2e55a874e496398979602ec1 /drivers/usb/core/message.c | |
| parent | f646cf94520e22cb11eb5d2e9a35b33bfe4bea1b (diff) | |
| download | linux-63defa73c8c1193c1273474440c30d34c2524597.tar.xz | |
USB: use the no_callbacks flag for interfaces
Call pm_runtime_no_callbacks to set no_callbacks flag for USB
interfaces. Since interfaces cannot be power-managed separately from
their parent devices, there's no reason for the runtime-PM core to
invoke any callbacks for them.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/core/message.c')
| -rw-r--r-- | drivers/usb/core/message.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index d6e3e410477e..f377e49fcb30 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -12,6 +12,7 @@ #include <linux/ctype.h> #include <linux/nls.h> #include <linux/device.h> +#include <linux/pm_runtime.h> #include <linux/scatterlist.h> #include <linux/usb/quirks.h> #include <linux/usb/hcd.h> /* for usbcore internals */ @@ -1804,6 +1805,7 @@ free_interfaces: INIT_WORK(&intf->reset_ws, __usb_queue_reset_device); intf->minor = -1; device_initialize(&intf->dev); + pm_runtime_no_callbacks(&intf->dev); dev_set_name(&intf->dev, "%d-%s:%d.%d", dev->bus->busnum, dev->devpath, configuration, alt->desc.bInterfaceNumber); |