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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-03-05 15:46:18 -0500 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-03-05 15:46:18 -0500 |
commit | 3fa04ecd72780da31ba8b329e148179bc24a9c7d (patch) | |
tree | f5d462fd4aee086952d18f159f737c450ab46b3b /drivers/usb/core/quirks.c | |
parent | 180b62a3d837613fcac3ce89576526423926c3c3 (diff) | |
parent | 1cda707d52e51a6cafac0aef12d2bd7052d572e6 (diff) |
Merge branch 'writeback-for-2.6.34' into nfs-for-2.6.34
Diffstat (limited to 'drivers/usb/core/quirks.c')
-rw-r--r-- | drivers/usb/core/quirks.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index ab93918d9207..f073c5cb4e7b 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -103,10 +103,19 @@ void usb_detect_quirks(struct usb_device *udev) dev_dbg(&udev->dev, "USB quirks for this device: %x\n", udev->quirks); - /* By default, disable autosuspend for all non-hubs */ #ifdef CONFIG_USB_SUSPEND - if (udev->descriptor.bDeviceClass != USB_CLASS_HUB) - udev->autosuspend_disabled = 1; + + /* By default, disable autosuspend for all devices. The hub driver + * will enable it for hubs. + */ + usb_disable_autosuspend(udev); + + /* Autosuspend can also be disabled if the initial autosuspend_delay + * is negative. + */ + if (udev->autosuspend_delay < 0) + usb_autoresume_device(udev); + #endif /* For the present, all devices default to USB-PERSIST enabled */ @@ -120,6 +129,7 @@ void usb_detect_quirks(struct usb_device *udev) * for all devices. It will affect things like hub resets * and EMF-related port disables. */ - udev->persist_enabled = 1; + if (!(udev->quirks & USB_QUIRK_RESET_MORPHS)) + udev->persist_enabled = 1; #endif /* CONFIG_PM */ } |