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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-renesas-soc@vger.kernel.org
Cc: "Wolfram Sang" <wsa+renesas@sang-engineering.com>,
	"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Daniel Lezcano" <daniel.lezcano@linaro.org>,
	"Amit Kucheria" <amitk@kernel.org>,
	"Zhang Rui" <rui.zhang@intel.com>,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3] thermal: rcar_gen3_thermal: improve logging during probe
Date: Fri, 10 Jun 2022 22:04:59 +0200	[thread overview]
Message-ID: <20220610200500.6727-1-wsa+renesas@sang-engineering.com> (raw)

When setting up a new board, a plain "Can't register thermal zone"
didn't help me much because the thermal zones in DT were all fine. I
just had a sensor entry too much in the parent TSC node. Reword the
failure/success messages to contain the sensor number to make it easier
to understand which sensor is affected. Example output now:

rcar_gen3_thermal e6198000.thermal: Sensor 0: Loaded 1 trip points
rcar_gen3_thermal e6198000.thermal: Sensor 1: Loaded 1 trip points
rcar_gen3_thermal e6198000.thermal: Sensor 2: Loaded 1 trip points
rcar_gen3_thermal e6198000.thermal: Sensor 3: Can't register thermal zone

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---

Change since v2:

* don't add plural-'s' at runtime to allow for a greppable string
  (Thanks, Niklas!)

 drivers/thermal/rcar_gen3_thermal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c
index ccdf8a24ddc7..cda7c52f2319 100644
--- a/drivers/thermal/rcar_gen3_thermal.c
+++ b/drivers/thermal/rcar_gen3_thermal.c
@@ -511,7 +511,7 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
 		zone = devm_thermal_zone_of_sensor_register(dev, i, tsc,
 							    &rcar_gen3_tz_of_ops);
 		if (IS_ERR(zone)) {
-			dev_err(dev, "Can't register thermal zone\n");
+			dev_err(dev, "Sensor %u: Can't register thermal zone\n", i);
 			ret = PTR_ERR(zone);
 			goto error_unregister;
 		}
@@ -533,7 +533,7 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
 		if (ret < 0)
 			goto error_unregister;
 
-		dev_info(dev, "TSC%u: Loaded %d trip points\n", i, ret);
+		dev_info(dev, "Sensor %u: Loaded %d trip points\n", i, ret);
 	}
 
 	if (!priv->num_tscs) {
-- 
2.35.1


             reply	other threads:[~2022-06-10 20:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-10 20:04 Wolfram Sang [this message]
2022-06-12 21:32 ` [PATCH v3] thermal: rcar_gen3_thermal: improve logging during probe Niklas Söderlund
2022-06-13  9:07 ` Geert Uytterhoeven
2022-06-14 18:45 ` Daniel Lezcano

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