Re: [PATCH] USB: power-management.txt - disconnect clarification
Am 12.11.2007 20:42 schrieb Alan Stern: > I don't like the second sentence very much. How about something like > this instead: > > +If the device is disconnected or powered down while it is suspended, > +the disconnect method will be called instead of the resume or > +reset_resume method. This is also quite likely to happen when > +waking up from hibernation, as many systems do not maintain suspend > +current to the USB host controllers during hibernation. (It's > +possible to work around the hibernation-forces-disconnect problem by > +using the USB-Persist facility, described in > +Documentation/usb/persist.txt.) Fine by me. -- Tilman Schmidt E-Mail: [EMAIL PROTECTED] Bonn, Germany Diese Nachricht besteht zu 100% aus wiederverwerteten Bits. Ungeöffnet mindestens haltbar bis: (siehe Rückseite) signature.asc Description: OpenPGP digital signature
Re: [PATCH] USB: power-management.txt - disconnect clarification
Am 12.11.2007 20:42 schrieb Alan Stern: I don't like the second sentence very much. How about something like this instead: +If the device is disconnected or powered down while it is suspended, +the disconnect method will be called instead of the resume or +reset_resume method. This is also quite likely to happen when +waking up from hibernation, as many systems do not maintain suspend +current to the USB host controllers during hibernation. (It's +possible to work around the hibernation-forces-disconnect problem by +using the USB-Persist facility, described in +Documentation/usb/persist.txt.) Fine by me. -- Tilman Schmidt E-Mail: [EMAIL PROTECTED] Bonn, Germany Diese Nachricht besteht zu 100% aus wiederverwerteten Bits. Ungeöffnet mindestens haltbar bis: (siehe Rückseite) signature.asc Description: OpenPGP digital signature
Re: [PATCH] USB: power-management.txt - disconnect clarification
On Mon, 12 Nov 2007, Tilman Schmidt wrote: > From: Tilman Schmidt <[EMAIL PROTECTED]> > > Add a paragraph to Documentation/usb/power-management.txt about the > interaction between suspend and disconnect. > > Signed-off-by: Tilman Schmidt <[EMAIL PROTECTED]> > --- > > --- linux-2.6/Documentation/usb/power-management.txt 2007-10-14 > 00:41:08.0 +0200 > +++ linux-2.6.24-rc2-work/Documentation/usb/power-management.txt > 2007-11-12 10:27:30.0 +0100 > @@ -278,6 +278,12 @@ > (although the interfaces will be in the same altsettings as > before the suspend). > > +If the device is disconnected or powered down while it is suspended, > +the disconnect method will be called instead of the resume or > +reset_resume method. This will also happen if the system is resumed > +from hibernation, as the device could have been disconnected without > +the system being able to detect it. > + I don't like the second sentence very much. How about something like this instead: +If the device is disconnected or powered down while it is suspended, +the disconnect method will be called instead of the resume or +reset_resume method. This is also quite likely to happen when +waking up from hibernation, as many systems do not maintain suspend +current to the USB host controllers during hibernation. (It's +possible to work around the hibernation-forces-disconnect problem by +using the USB-Persist facility, described in +Documentation/usb/persist.txt.) Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH] USB: power-management.txt - disconnect clarification
From: Tilman Schmidt <[EMAIL PROTECTED]> Add a paragraph to Documentation/usb/power-management.txt about the interaction between suspend and disconnect. Signed-off-by: Tilman Schmidt <[EMAIL PROTECTED]> --- --- linux-2.6/Documentation/usb/power-management.txt2007-10-14 00:41:08.0 +0200 +++ linux-2.6.24-rc2-work/Documentation/usb/power-management.txt 2007-11-12 10:27:30.0 +0100 @@ -278,6 +278,12 @@ (although the interfaces will be in the same altsettings as before the suspend). +If the device is disconnected or powered down while it is suspended, +the disconnect method will be called instead of the resume or +reset_resume method. This will also happen if the system is resumed +from hibernation, as the device could have been disconnected without +the system being able to detect it. + The reset_resume method is used by the USB Persist facility (see Documentation/usb/persist.txt) and it can also be used under certain circumstances when CONFIG_USB_PERSIST is not enabled. Currently, if a - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH] USB: power-management.txt - disconnect clarification
From: Tilman Schmidt [EMAIL PROTECTED] Add a paragraph to Documentation/usb/power-management.txt about the interaction between suspend and disconnect. Signed-off-by: Tilman Schmidt [EMAIL PROTECTED] --- --- linux-2.6/Documentation/usb/power-management.txt2007-10-14 00:41:08.0 +0200 +++ linux-2.6.24-rc2-work/Documentation/usb/power-management.txt 2007-11-12 10:27:30.0 +0100 @@ -278,6 +278,12 @@ (although the interfaces will be in the same altsettings as before the suspend). +If the device is disconnected or powered down while it is suspended, +the disconnect method will be called instead of the resume or +reset_resume method. This will also happen if the system is resumed +from hibernation, as the device could have been disconnected without +the system being able to detect it. + The reset_resume method is used by the USB Persist facility (see Documentation/usb/persist.txt) and it can also be used under certain circumstances when CONFIG_USB_PERSIST is not enabled. Currently, if a - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH] USB: power-management.txt - disconnect clarification
On Mon, 12 Nov 2007, Tilman Schmidt wrote: From: Tilman Schmidt [EMAIL PROTECTED] Add a paragraph to Documentation/usb/power-management.txt about the interaction between suspend and disconnect. Signed-off-by: Tilman Schmidt [EMAIL PROTECTED] --- --- linux-2.6/Documentation/usb/power-management.txt 2007-10-14 00:41:08.0 +0200 +++ linux-2.6.24-rc2-work/Documentation/usb/power-management.txt 2007-11-12 10:27:30.0 +0100 @@ -278,6 +278,12 @@ (although the interfaces will be in the same altsettings as before the suspend). +If the device is disconnected or powered down while it is suspended, +the disconnect method will be called instead of the resume or +reset_resume method. This will also happen if the system is resumed +from hibernation, as the device could have been disconnected without +the system being able to detect it. + I don't like the second sentence very much. How about something like this instead: +If the device is disconnected or powered down while it is suspended, +the disconnect method will be called instead of the resume or +reset_resume method. This is also quite likely to happen when +waking up from hibernation, as many systems do not maintain suspend +current to the USB host controllers during hibernation. (It's +possible to work around the hibernation-forces-disconnect problem by +using the USB-Persist facility, described in +Documentation/usb/persist.txt.) Alan Stern - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
