From: Dan Murphy <dmurphy@ti.com>
To: "Guido Günther" <agx@sigxcpu.org>,
"Jacek Anaszewski" <jacek.anaszewski@gmail.com>,
"Pavel Machek" <pavel@ucw.cz>,
linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/5] leds: lm3692x: Print error value on dev_err
Date: Wed, 18 Sep 2019 13:23:19 -0500 [thread overview]
Message-ID: <ab49dddc-87ec-d7db-fca4-e3fbf2673290@ti.com> (raw)
In-Reply-To: <9f95299fe7f98e4defb445e2e29531465a3a3860.1568772964.git.agx@sigxcpu.org>
Guido
On 9/17/19 9:19 PM, Guido Günther wrote:
> This gives a way better idea what is going on.
>
> Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
> ---
> drivers/leds/leds-lm3692x.c | 17 ++++++++++-------
> 1 file changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c
> index 3d381f2f73d0..487228c2bed2 100644
> --- a/drivers/leds/leds-lm3692x.c
> +++ b/drivers/leds/leds-lm3692x.c
> @@ -174,19 +174,20 @@ static int lm3692x_brightness_set(struct led_classdev *led_cdev,
>
> ret = lm3692x_fault_check(led);
> if (ret) {
> - dev_err(&led->client->dev, "Cannot read/clear faults\n");
> + dev_err(&led->client->dev, "Cannot read/clear faults: %d\n",
> + ret);
> goto out;
> }
>
> ret = regmap_write(led->regmap, LM3692X_BRT_MSB, brt_val);
> if (ret) {
> - dev_err(&led->client->dev, "Cannot write MSB\n");
> + dev_err(&led->client->dev, "Cannot write MSB: %d\n", ret);
> goto out;
> }
>
> ret = regmap_write(led->regmap, LM3692X_BRT_LSB, led_brightness_lsb);
> if (ret) {
> - dev_err(&led->client->dev, "Cannot write LSB\n");
> + dev_err(&led->client->dev, "Cannot write LSB: %d\n", ret);
> goto out;
> }
> out:
> @@ -203,7 +204,7 @@ static int lm3692x_init(struct lm3692x_led *led)
> ret = regulator_enable(led->regulator);
> if (ret) {
> dev_err(&led->client->dev,
> - "Failed to enable regulator\n");
> + "Failed to enable regulator: %d\n", ret);
> return ret;
> }
> }
> @@ -213,7 +214,8 @@ static int lm3692x_init(struct lm3692x_led *led)
>
> ret = lm3692x_fault_check(led);
> if (ret) {
> - dev_err(&led->client->dev, "Cannot read/clear faults\n");
> + dev_err(&led->client->dev, "Cannot read/clear faults: %d\n",
> + ret);
> goto out;
> }
>
> @@ -409,7 +411,8 @@ static int lm3692x_remove(struct i2c_client *client)
>
> ret = regmap_update_bits(led->regmap, LM3692X_EN, LM3692X_DEVICE_EN, 0);
> if (ret) {
> - dev_err(&led->client->dev, "Failed to disable regulator\n");
> + dev_err(&led->client->dev, "Failed to disable regulator: %d\n",
> + ret);
> return ret;
> }
>
> @@ -420,7 +423,7 @@ static int lm3692x_remove(struct i2c_client *client)
> ret = regulator_disable(led->regulator);
> if (ret)
> dev_err(&led->client->dev,
> - "Failed to disable regulator\n");
> + "Failed to disable regulator: %d\n", ret);
> }
>
> mutex_destroy(&led->lock);
next prev parent reply other threads:[~2019-09-18 18:21 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-18 2:19 [PATCH 0/5] leds: lm3692x: Probing and flag fixes Guido Günther
2019-09-18 2:19 ` [PATCH 1/5] leds: lm3692x: Print error value on dev_err Guido Günther
2019-09-18 18:23 ` Dan Murphy [this message]
2019-09-18 2:19 ` [PATCH 2/5] leds: lm3692x: Don't overwrite return value in error path Guido Günther
2019-09-18 18:33 ` Dan Murphy
2019-09-19 10:57 ` Pavel Machek
2019-09-18 2:19 ` [PATCH 3/5] leds: lm3692x: Handle failure to probe the regulator Guido Günther
2019-09-18 18:41 ` Dan Murphy
2019-09-18 2:19 ` [PATCH 4/5] leds: lm3692x: Use flags from LM3692X_BOOST_CTRL Guido Günther
2019-09-18 18:46 ` Dan Murphy
2019-09-18 2:19 ` [PATCH 5/5] leds: lm3692x: Use flags from LM3692X_BRT_CTRL Guido Günther
2019-09-18 18:48 ` Dan Murphy
2019-09-19 9:54 ` [PATCH 0/5] leds: lm3692x: Probing and flag fixes Pavel Machek
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