From: Youngtae Lee <yt0729.lee@samsung.com>
Date: Mon, 23 Apr 2018 03:59:32 +0000 (+0900)
Subject: samsung: cpuhp: Support cpus_up/down for fast hotplug
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=984db491efbcd286117c8317c3875c9a9a3c88da;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

samsung: cpuhp: Support cpus_up/down for fast hotplug

Change-Id: I02aa69a55c80e3e1ff43a2eb790b01adee6a78c7
Signed-off-by: Youngtae Lee <yt0729.lee@samsung.com>
---

diff --git a/drivers/soc/samsung/exynos-cpuhp.c b/drivers/soc/samsung/exynos-cpuhp.c
index 9b61738e6470..312c81f6b651 100644
--- a/drivers/soc/samsung/exynos-cpuhp.c
+++ b/drivers/soc/samsung/exynos-cpuhp.c
@@ -160,7 +160,7 @@ int exynos_cpuhp_register(char *name, struct cpumask mask, int type)
 	mutex_unlock(&cpuhp.lock);
 
 	/* applying new user's request */
-	return cpuhp_do(type);
+	return cpuhp_do(true);
 }
 
 /*
@@ -177,7 +177,7 @@ int exynos_cpuhp_request(char *name, struct cpumask mask, int type)
 	if (type == FAST_HP)
 		return cpuhp_do(true);
 
-	return cpuhp_do(false);
+	return cpuhp_do(true);
 }
 
 /**********************************************************************************/
@@ -269,7 +269,7 @@ static int cpuhp_cpu_up(struct cpumask enable_cpus, int fast_hp)
 		goto exit;
 
 	if (fast_hp && !cpumask_empty(&fast_cpus))
-		ret = cpus_up(&fast_cpus);
+		ret = cpus_up(fast_cpus);
 
 	return ret;
 exit:
@@ -293,7 +293,7 @@ static int cpuhp_cpu_down(struct cpumask disable_cpus, int fast_hp)
 	cpumask_and(&fast_cpus, &disable_cpus, &fast_cpus);
 	cpumask_andnot(&disable_cpus, &disable_cpus, &fast_cpus);
 	if (fast_hp && !cpumask_empty(&fast_cpus))
-		ret = cpus_down(&fast_cpus);
+		ret = cpus_down(fast_cpus);
 	if (ret)
 		goto exit;
 
@@ -339,7 +339,7 @@ static int cpuhp_do(int fast_hp)
 	online_cpus = cpuhp_get_online_cpus();
 
 	/* print cpu control information */
-	if (cpuhp.debug)
+//	if (cpuhp.debug)
 		cpuhp_print_debug_info(online_cpus, fast_hp);
 
 	/* if there is no mask change, skip */
@@ -374,7 +374,7 @@ static int cpuhp_control(bool enable)
 
 	if (enable) {
 		cpuhp_enable(true);
-		cpuhp_do(false);
+		cpuhp_do(true);
 	} else {
 		mutex_lock(&cpuhp.lock);
 
@@ -566,7 +566,7 @@ static int exynos_cpuhp_pm_notifier(struct notifier_block *notifier,
 
 	case PM_POST_SUSPEND:
 		cpuhp_suspend(false);
-		cpuhp_do(false);
+		cpuhp_do(true);
 		break;
 	}
 
diff --git a/include/soc/samsung/exynos-cpuhp.h b/include/soc/samsung/exynos-cpuhp.h
index 929d5a3c2d4f..d7cf28fc21ef 100644
--- a/include/soc/samsung/exynos-cpuhp.h
+++ b/include/soc/samsung/exynos-cpuhp.h
@@ -18,12 +18,10 @@ extern int exynos_cpuhp_unregister(char *name, struct cpumask mask, int type);
 extern int exynos_cpuhp_register(char *name, struct cpumask mask, int type);
 extern int exynos_cpuhp_request(char *name, struct cpumask mask, int type);
 
-#ifdef EXYNOS_FAST_HP
-int cpus_up(struct cpumask *mask);
-int cpus_down(struct cpumask *mask);
-#else
-extern inline int cpus_up(struct cpumask *mask) { return 0; };
-extern inline int cpus_down(struct cpumask *mask) {return 0; };
-#endif
+extern int cpus_down(struct cpumask cpus);
+extern int cpus_up(struct cpumask cpus);
+/*
+extern inline int cpus_down(struct cpumask cpus) { return 0; };
+*/
 
 #endif /* __EXYNOS_CPU_HP_H */