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(-)
diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index 37266a8..0e2bc36 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; @@ -189,6 +195,7 @@ no_clk: of_node_put(np); }
- return 0; + return bus_for_each_dev(&platform_bus_type, NULL, NULL, + exynos_pd_init_platform_dev); } arch_initcall(exynos4_pm_init_power_domain);