netdev - Re: [PATCH 1/2] Bluetooth: Add reset

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1433231270.1708.5.camel@suse.com>
Date:	Tue, 02 Jun 2015 09:47:50 +0200
From:	Oliver Neukum <oneukum@...e.com>
To:	Laura Abbott <labbott@...oraproject.org>
Cc:	Marcel Holtmann <marcel@...tmann.org>,
	Ming Lei <ming.lei@...onical.com>,
	"David S. Miller" <davem@...emloft.net>,
	Johan Hedberg <johan.hedberg@...il.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	"Gustavo F. Padovan" <gustavo@...ovan.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Takashi Iwai <tiwai@...e.de>, linux-bluetooth@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/2] Bluetooth: Add reset_resume function

On Mon, 2015-06-01 at 18:14 -0700, Laura Abbott wrote:
> Bluetooth devices off of some buses such as USB may lose power across
> suspend/resume. When this happens, drivers may need to have the setup
> function called again and behave differently than a cold power on.

Yes, but what is the point? We use reset_resume() to retain
some features of a device across a loss of power.
If power is lost, all settings are gone and all connections
are broken. So what is the difference compared to a plug out/in
cycle?

	Regards
		Oliver



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html