linux-kernel - [PATCH v3 1/6] pwm: print error messages with pr_err() instead of pr

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Date:   Fri, 7 Oct 2016 20:41:24 +0530
From:   Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
To:     <shawnguo@...nel.org>, <thierry.reding@...il.com>
CC:     <stefan@...er.ch>, <l.majewski@...sung.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <kernel@...gutronix.de>,
        <fabio.estevam@....com>, <linux-pwm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Lothar Wassmann <LW@...O-electronics.de>,
        Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
Subject: [PATCH v3 1/6] pwm: print error messages with pr_err() instead of pr_debug()

From: Lothar Wassmann <LW@...O-electronics.de>

Make the messages that are printed in case of fatal errors actually
visible to the user without having to recompile the driver with
debugging enabled.

Signed-off-by: Lothar Waßmann <LW@...O-electronics.de>
Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
---
 drivers/pwm/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 0dbd29e..195373e 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -661,13 +661,13 @@ struct pwm_device *of_pwm_get(struct device_node *np, const char *con_id)
 	err = of_parse_phandle_with_args(np, "pwms", "#pwm-cells", index,
 					 &args);
 	if (err) {
-		pr_debug("%s(): can't parse \"pwms\" property\n", __func__);
+		pr_err("%s(): can't parse \"pwms\" property\n", __func__);
 		return ERR_PTR(err);
 	}
 
 	pc = of_node_to_pwmchip(args.np);
 	if (IS_ERR(pc)) {
-		pr_debug("%s(): PWM chip not found\n", __func__);
+		pr_err("%s(): PWM chip not found\n", __func__);
 		pwm = ERR_CAST(pc);
 		goto put;
 	}
-- 
2.10.0