linux-kernel - [PATCH 4/7] PM / devfreq: exynos-ppmu: Show the registred device for ppmu device

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Date:   Thu, 15 Dec 2016 18:30:40 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     myungjoo.ham@...sung.com, kyungmin.park@...sung.com
Cc:     rjw@...ysocki.net, chanwoo@...nel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chanwoo Choi <cw00.choi@...sung.com>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Javier Martinez Canillas <javier@....samsung.com>,
        linux-samsung-soc@...r.kernel.org
Subject: [PATCH 4/7] PM / devfreq: exynos-ppmu: Show the registred device for
 ppmu device

This patch just adds the simple log to show the PPMU device's registration
during the kernel booting.

Cc: Kukjin Kim <kgene@...nel.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Javier Martinez Canillas <javier@....samsung.com>
Cc: linux-samsung-soc@...r.kernel.org
Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
---
 drivers/devfreq/event/exynos-ppmu.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index fb3706faf5bd..9b5294d0bff4 100644
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -591,7 +591,7 @@ static int exynos_ppmu_parse_dt(struct platform_device *pdev,
 	info->ppmu.clk = devm_clk_get(dev, "ppmu");
 	if (IS_ERR(info->ppmu.clk)) {
 		info->ppmu.clk = NULL;
-		dev_warn(dev, "cannot get PPMU clock\n");
+		dev_dbg(dev, "cannot get PPMU clock\n");
 	}
 
 	ret = of_get_devfreq_events(np, info);
@@ -643,6 +643,9 @@ static int exynos_ppmu_probe(struct platform_device *pdev)
 				"failed to add devfreq-event device\n");
 			return PTR_ERR(edev[i]);
 		}
+
+		pr_info("exynos-ppmu: new PPMU device registered %s (%s)\n",
+			dev_name(&pdev->dev), desc[i].name);
 	}
 
 	clk_prepare_enable(info->ppmu.clk);
-- 
1.9.1