From: Youngtae Lee <yt0729.lee@samsung.com>
Date: Mon, 18 Jun 2018 07:49:28 +0000 (+0900)
Subject: samsung: Change print level for emc and cpuhp
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=81e9fdb4dd7e6d262ac13a4a8bfe6ae764f4c6ae;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

samsung: Change print level for emc and cpuhp

Change-Id: Ifd39e1c4d7aaabd0f83cdba83fd3b0c851b7df7e
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 3233f623b94a..8b9b75f3d54f 100644
--- a/drivers/soc/samsung/exynos-cpuhp.c
+++ b/drivers/soc/samsung/exynos-cpuhp.c
@@ -15,6 +15,7 @@
 #include <linux/kthread.h>
 #include <linux/pm_qos.h>
 #include <linux/suspend.h>
+#include <linux/debug-snapshot.h>
 
 #include <soc/samsung/exynos-cpuhp.h>
 
@@ -316,7 +317,11 @@ static void cpuhp_print_debug_info(struct cpumask online_cpus, int fast_hp)
 
 	scnprintf(pre_buf, sizeof(pre_buf), "%*pbl", cpumask_pr_args(&cpuhp.online_cpus));
 	scnprintf(new_buf, sizeof(new_buf), "%*pbl", cpumask_pr_args(&online_cpus));
-	pr_info("%s: %s -> %s fast_hp=%d\n", __func__, pre_buf, new_buf, fast_hp);
+	dbg_snapshot_printk("%s: %s -> %s fast_hp=%d\n", __func__, pre_buf, new_buf, fast_hp);
+
+	/* print cpu control information */
+	if (cpuhp.debug)
+		pr_info("%s: %s -> %s fast_hp=%d\n", __func__, pre_buf, new_buf, fast_hp);
 }
 
 /*
@@ -340,10 +345,7 @@ static int cpuhp_do(int fast_hp)
 	}
 
 	online_cpus = cpuhp_get_online_cpus();
-
-	/* print cpu control information */
-//	if (cpuhp.debug)
-		cpuhp_print_debug_info(online_cpus, fast_hp);
+	cpuhp_print_debug_info(online_cpus, fast_hp);
 
 	/* if there is no mask change, skip */
 	if (cpumask_equal(&cpuhp.online_cpus, &online_cpus))
diff --git a/drivers/soc/samsung/exynos-emc.c b/drivers/soc/samsung/exynos-emc.c
index 0f305f5834be..824a6a04f8b1 100644
--- a/drivers/soc/samsung/exynos-emc.c
+++ b/drivers/soc/samsung/exynos-emc.c
@@ -87,6 +87,7 @@ struct emc {
 	struct emc_mode		*cur_mode;	/* current mode */
 	struct emc_mode		*req_mode;	/* requested mode */
 	struct emc_mode		*user_mode;	/* user requesting mode */
+	unsigned int		in_progress;
 	struct cpumask		heavy_cpus;	/* cpus need to boost */
 	struct cpumask		busy_cpus;	/* cpus need to online */
 	/* loadsum of boostable and trigger domain */
@@ -566,6 +567,7 @@ static int emc_do_mode_change(void *data)
 			break;
 
 		spin_lock_irqsave(&emc_lock, flags);
+		emc.in_progress = 1;
 		event = emc_clear_event();
 
 		trace_emc_do_mode_change(emc.cur_mode->name,
@@ -577,8 +579,9 @@ static int emc_do_mode_change(void *data)
 		/* request mode change */
 		exynos_cpuhp_request("EMC", emc.cur_mode->cpus, emc.ctrl_type);
 
-		pr_info("EMC_MODE: %s (cpus%d)\n", emc.cur_mode->name,
-					cpumask_weight(&emc.cur_mode->cpus));
+		dbg_snapshot_printk("EMC: mode change finished %s (cpus%d)\n",
+			emc.cur_mode->name, cpumask_weight(&emc.cur_mode->cpus));
+		emc.in_progress = 0;
 	}
 
 	return 0;