From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Subject: [RFC 2/2] soc: bcm: brcmstb: PM: Implement target_state callback Date: Thu, 22 Jun 2017 18:08:37 -0700 Message-ID: <20170623010837.11199-3-f.fainelli@gmail.com> References: <20170622085102.mpk7vxodpgxtrlfd@piout.net> <20170623010837.11199-1-f.fainelli@gmail.com> Return-path: Received: from mail-wr0-f194.google.com ([209.85.128.194]:35407 "EHLO mail-wr0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753785AbdFWBI6 (ORCPT ); Thu, 22 Jun 2017 21:08:58 -0400 In-Reply-To: <20170623010837.11199-1-f.fainelli@gmail.com> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , "Rafael J. Wysocki" , Alexandre Belloni , "Rafael J. Wysocki" , Ulf Hansson , Daniel Lezcano , linux-pm , Thibaud Cornic , JB , Mason , Kevin Hilman , Pavel Machek , Linux ARM Provide a target_state callback implementation which just returns the suspend_state_t the system is about to enter. Broadcom STB drivers can utilize platform_suspend_target_state() to retrieve that and take appropriate actions (e.g: full vs. partial re-initialization). Signed-off-by: Florian Fainelli --- drivers/soc/bcm/brcmstb/pm/pm-arm.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/soc/bcm/brcmstb/pm/pm-arm.c b/drivers/soc/bcm/brcmstb/pm/pm-arm.c index 4b7e6c297b23..7d4695734093 100644 --- a/drivers/soc/bcm/brcmstb/pm/pm-arm.c +++ b/drivers/soc/bcm/brcmstb/pm/pm-arm.c @@ -104,6 +104,7 @@ struct brcmstb_pm_control { u32 phy_b_standby_ctrl_offs; bool needs_ddr_pad; struct platform_device *pdev; + suspend_state_t pm_state; }; enum bsp_initiate_command { @@ -547,9 +548,23 @@ static int brcmstb_pm_valid(suspend_state_t state) } } +static int brcmstb_pm_begin(suspend_state_t state) +{ + ctrl.pm_state = state; + + return 0; +} + +static int brcmstb_target_state(void) +{ + return ctrl.pm_state; +} + static const struct platform_suspend_ops brcmstb_pm_ops = { + .begin = brcmstb_pm_begin, .enter = brcmstb_pm_enter, .valid = brcmstb_pm_valid, + .target_state = brcmstb_target_state, }; static const struct of_device_id aon_ctrl_dt_ids[] = { -- 2.9.3