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[PATCH/RFC,v6,3/7] ARM: shmobile: R-Mobile: Add support for PM domain power-on/off latencies

Message ID 1430138622-14029-4-git-send-email-geert+renesas@glider.be (mailing list archive)
State RFC
Delegated to: Geert Uytterhoeven
Headers show

Commit Message

Geert Uytterhoeven April 27, 2015, 12:43 p.m. UTC 
Parse the optional PM domain power-on/off latencies, as specified from
DT.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
v6:
  - Rebased on top of v4.1-rc1 for new RFC.
---
 arch/arm/mach-shmobile/pm-rmobile.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

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;