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[PATCH] remove usb_suspend_device() parameter

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This patch removes the extra usb_suspend_device() parameter.  The original
reason to pass that parameter was so that this routine could suspend any
active children.  A previous patch removed that functionality ... leaving
no reason to pass the parameter.  A close analogy is pci_set_power_state,
which doesn't need a pm_message_t either.

On the internal code path that comes through the driver model, the parameter
is now used to distinguish cases where USB devices need to "freeze" but not
suspend.   It also checks for an error case that's accessible through sysfs:
attempting to suspend a device before its interfaces (or for hubs, ports).

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

 drivers/usb/core/hub.c         |   34 +++++++++++++++++++++-------------
 drivers/usb/core/usb.c         |   23 +++++++++++++++++++++--
 drivers/usb/host/ehci-hcd.c    |    2 +-
 drivers/usb/host/isp116x-hcd.c |    2 +-
 drivers/usb/host/ohci-pci.c    |    2 +-
 include/linux/usb.h            |    2 +-
 6 files changed, 46 insertions(+), 19 deletions(-)
This commit is contained in:
David Brownell 2005-09-13 19:57:27 -07:00 • committed by Greg Kroah-Hartman
parent c9f89fa40c
commit 390a8c345e
6 changed files with 46 additions and 19 deletions
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2
include/linux/usb.h
View file

@ -976,7 +976,7 @@ extern int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe,
int timeout);
/* selective suspend/resume */
extern int usb_suspend_device(struct usb_device *dev, pm_message_t message);
extern int usb_suspend_device(struct usb_device *dev);
extern int usb_resume_device(struct usb_device *dev);