[v3,05/19] arm: exynos: pm_domains: add support for devices registered before arch_initcall

Message ID 1416395748-10731-6-git-send-email-m.szyprowski@samsung.com
State New
Headers show

Commit Message

Marek Szyprowski Nov. 19, 2014, 11:15 a.m.
SYSMMU devices will be registered early before any other devices and
before calling arch_initcall. To add them to respective power domains,
additional scan of all platform devices is needed.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
---
 arch/arm/mach-exynos/pm_domains.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Patch

diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 20f267121b3e..8f1f239ee424 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -105,6 +105,12 @@  static int exynos_pd_power_off(struct generic_pm_domain *domain)
 	return exynos_pd_power(domain, false);
 }
 
+static __init int exynos_pd_init_platform_dev(struct device *dev, void *data)
+{
+	dev_pm_domain_attach(dev, true);
+	return 0;
+}
+
 static __init int exynos4_pm_init_power_domain(void)
 {
 	struct platform_device *pdev;
@@ -161,6 +167,7 @@  no_clk:
 		of_genpd_add_provider_simple(np, &pd->pd);
 	}
 
-	return 0;
+	return bus_for_each_dev(&platform_bus_type, NULL, NULL,
+				exynos_pd_init_platform_dev);
 }
 arch_initcall(exynos4_pm_init_power_domain);