From mboxrd@z Thu Jan 1 00:00:00 1970 From: f.fainelli@gmail.com (Florian Fainelli) Date: Thu, 22 Jun 2017 18:08:37 -0700 Subject: [RFC 2/2] soc: bcm: brcmstb: PM: Implement target_state callback In-Reply-To: <20170623010837.11199-1-f.fainelli@gmail.com> References: <20170622085102.mpk7vxodpgxtrlfd@piout.net> <20170623010837.11199-1-f.fainelli@gmail.com> Message-ID: <20170623010837.11199-3-f.fainelli@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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