From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: [PATCH/RFC v6 3/7] ARM: shmobile: R-Mobile: Add support for PM domain power-on/off latencies Date: Mon, 27 Apr 2015 14:43:38 +0200 Message-ID: <1430138622-14029-4-git-send-email-geert+renesas@glider.be> References: <1430138622-14029-1-git-send-email-geert+renesas@glider.be> Return-path: In-Reply-To: <1430138622-14029-1-git-send-email-geert+renesas@glider.be> Sender: linux-kernel-owner@vger.kernel.org To: "Rafael J. Wysocki" , Kevin Hilman , Ulf Hansson , Axel Haslam Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven List-Id: devicetree@vger.kernel.org Parse the optional PM domain power-on/off latencies, as specified from DT. Signed-off-by: Geert Uytterhoeven --- v6: - Rebased on top of v4.1-rc1 for new RFC. --- arch/arm/mach-shmobile/pm-rmobile.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c index 95018209ff0b37cc..747d557b7016ec6d 100644 --- a/arch/arm/mach-shmobile/pm-rmobile.c +++ b/arch/arm/mach-shmobile/pm-rmobile.c @@ -367,6 +367,7 @@ static int __init rmobile_add_pm_domains(void __iomem *base, for_each_child_of_node(parent, np) { struct rmobile_pm_domain *pd; u32 idx = ~0; + u32 latency; if (of_property_read_u32(np, "reg", &idx)) { /* always-on domain */ @@ -377,6 +378,10 @@ static int __init rmobile_add_pm_domains(void __iomem *base, return -ENOMEM; pd->genpd.name = np->name; + if (!of_property_read_u32(np, "power-on-latency", &latency)) + pd->genpd.power_on_latency_ns = latency; + if (!of_property_read_u32(np, "power-off-latency", &latency)) + pd->genpd.power_off_latency_ns = latency; pd->base = base; pd->bit_shift = idx; -- 1.9.1