From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 1/2] PM / Runtime: fix autosuspend documentation Date: Mon, 10 Apr 2017 09:35:05 -0700 Message-ID: <20170410163504.GF5339@atomide.com> References: <20170410113825.17399-1-johan@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from muru.com ([72.249.23.125]:43922 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751434AbdDJQfJ (ORCPT ); Mon, 10 Apr 2017 12:35:09 -0400 Content-Disposition: inline In-Reply-To: <20170410113825.17399-1-johan@kernel.org> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Johan Hovold Cc: "Rafael J. Wysocki" , Len Brown , Pavel Machek , Alan Stern , Kevin Hilman , Ulf Hansson , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org * Johan Hovold [170410 04:41]: > Update the autosuspend documentation which claimed that the autosuspend > delay is not taken into account when using the non-autosuspend helper > functions, something which is no longer true since commit d66e6db28df3 > ("PM / Runtime: Respect autosuspend when idle triggers suspend"). > > This specifically means that drivers must now disable autosuspend before > disabling runtime pm in probe error paths and remove callbacks if > pm_runtime_put_sync was being used to suspend the device before > returning. (If an idle callback can prevent suspend, > pm_runtime_put_sync_suspend must be used instead of pm_runtime_put_sync > as before.) > > Also remove the claim that the autosuspend helpers behave "just like > the non-autosuspend counterparts", something which have never really > been true as some of the latter use idle notifications. > > Signed-off-by: Johan Hovold Acked-by: Tony Lindgren