arm: exynos: pm_domains: register power domain driver from core_initcall

SYSMMU devices are registered very early in arch_initcall, so ensure
that they can get access to power domains by registering power domain
driver from earlier initcall.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>

diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 507dad0f66ed91e4740c48f8d61f05d7ebe6bbde..708eb88aa67769970842c7b16c5430b9a968a6b0 100644 (file)
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -117,16 +117,11 @@ static int exynos_pd_power_off(struct generic_pm_domain *domain)
 
 static __init int exynos4_pm_init_power_domain(void)
 {
-       struct platform_device *pdev;
        struct device_node *np;
 
        for_each_compatible_node(np, NULL, "samsung,exynos4210-pd") {
                struct exynos_pm_domain *pd;
                int on, i;
-               struct device *dev;
-
-               pdev = of_find_device_by_node(np);
-               dev = &pdev->dev;
 
                pd = kzalloc(sizeof(*pd), GFP_KERNEL);
                if (!pd) {
@@ -135,7 +130,8 @@ static __init int exynos4_pm_init_power_domain(void)
                        return -ENOMEM;
                }
 
-               pd->pd.name = kstrdup(np->name, GFP_KERNEL);
+               pd->pd.name = kstrdup_const(strrchr(np->full_name, '/') + 1,
+                                           GFP_KERNEL);
                pd->name = pd->pd.name;
                pd->base = of_iomap(np, 0);
                pd->pd.power_off = exynos_pd_power_off;
@@ -145,12 +141,12 @@ static __init int exynos4_pm_init_power_domain(void)
                        char clk_name[8];
 
                        snprintf(clk_name, sizeof(clk_name), "asb%d", i);
-                       pd->asb_clk[i] = clk_get(dev, clk_name);
+                       pd->asb_clk[i] = of_clk_get_by_name(np, clk_name);
                        if (IS_ERR(pd->asb_clk[i]))
                                break;
                }
 
-               pd->oscclk = clk_get(dev, "oscclk");
+               pd->oscclk = of_clk_get_by_name(np, "oscclk");
                if (IS_ERR(pd->oscclk))
                        goto no_clk;
 
@@ -158,11 +154,11 @@ static __init int exynos4_pm_init_power_domain(void)
                        char clk_name[8];
 
                        snprintf(clk_name, sizeof(clk_name), "clk%d", i);
-                       pd->clk[i] = clk_get(dev, clk_name);
+                       pd->clk[i] = of_clk_get_by_name(np, clk_name);
                        if (IS_ERR(pd->clk[i]))
                                break;
                        snprintf(clk_name, sizeof(clk_name), "pclk%d", i);
-                       pd->pclk[i] = clk_get(dev, clk_name);
+                       pd->pclk[i] = of_clk_get_by_name(np, clk_name);
                        if (IS_ERR(pd->pclk[i])) {
                                clk_put(pd->clk[i]);
                                pd->clk[i] = ERR_PTR(-EINVAL);
@@ -210,4 +206,4 @@ no_clk:
 
        return 0;
 }
-arch_initcall(exynos4_pm_init_power_domain);
+core_initcall(exynos4_pm_init_power_domain);