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Date: Thu, 28 Jan 2016 10:15:18 +0900
From: Andi Shyti <andi.shyti@...sung.com>
To: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc: Chanwoo Choi <cw00.choi@...sung.com>,
Alessandro Zummo <a.zummo@...ertech.it>,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com,
Javier Martinez Canillas <javier@....samsung.com>,
Laxman Dewangan <ldewangan@...dia.com>
Subject: Re: [PATCH] rtc: max77686: Cleanup and reduce dmesg output
On Wed, Jan 27, 2016 at 03:46:11PM +0900, Krzysztof Kozlowski wrote:
> Cleanup of entire driver of its dmesg output:
> 1. Remove printing of the function name, because printing device name is
> sufficient. This also makes the dev_err()-like functions more compact
> and readable (not need of line break).
> 2. Lower from info to debug printing of each RTC interrupt (no need to
> make noise on each alarm).
> 3. Remove dev_info() at beginning of probe because a message is already
> always printed by either probe failure or from registering the RTC
> device as /dev/rtcX.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Looks good, Reviewed-by: Andi Shyti <andi.shyti@...sung.com>
> ---
>
> Patch rebased on top of Javier's v4:
> [PATCH v4 00/10] rtc: max77686: Extend driver and add max77802 support
> http://www.spinics.net/lists/arm-kernel/msg477194.html
>
> Feel free to join with these series.
> ---
> drivers/rtc/rtc-max77686.c | 39 ++++++++++++++-------------------------
> 1 file changed, 14 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
> index da47b1d85793..5a03e1ecad83 100644
> --- a/drivers/rtc/rtc-max77686.c
> +++ b/drivers/rtc/rtc-max77686.c
> @@ -271,8 +271,8 @@ static int max77686_rtc_update(struct max77686_rtc_info *info,
> info->drv_data->map[REG_RTC_UPDATE0],
> data, data);
> if (ret < 0)
> - dev_err(info->dev, "%s: fail to write update reg(ret=%d, data=0x%x)\n",
> - __func__, ret, data);
> + dev_err(info->dev, "Fail to write update reg(ret=%d, data=0x%x)\n",
> + ret, data);
> else {
> /* Minimum delay required before RTC update. */
> usleep_range(delay, delay * 2);
> @@ -297,7 +297,7 @@ static int max77686_rtc_read_time(struct device *dev, struct rtc_time *tm)
> info->drv_data->map[REG_RTC_SEC],
> data, ARRAY_SIZE(data));
> if (ret < 0) {
> - dev_err(info->dev, "%s: fail to read time reg(%d)\n", __func__, ret);
> + dev_err(info->dev, "Fail to read time reg(%d)\n", ret);
> goto out;
> }
>
> @@ -326,8 +326,7 @@ static int max77686_rtc_set_time(struct device *dev, struct rtc_time *tm)
> info->drv_data->map[REG_RTC_SEC],
> data, ARRAY_SIZE(data));
> if (ret < 0) {
> - dev_err(info->dev, "%s: fail to write time reg(%d)\n", __func__,
> - ret);
> + dev_err(info->dev, "Fail to write time reg(%d)\n", ret);
> goto out;
> }
>
> @@ -355,8 +354,7 @@ static int max77686_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
> ret = regmap_bulk_read(info->max77686->rtc_regmap,
> map[REG_ALARM1_SEC], data, ARRAY_SIZE(data));
> if (ret < 0) {
> - dev_err(info->dev, "%s:%d fail to read alarm reg(%d)\n",
> - __func__, __LINE__, ret);
> + dev_err(info->dev, "Fail to read alarm reg(%d)\n", ret);
> goto out;
> }
>
> @@ -394,8 +392,7 @@ static int max77686_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
> alrm->pending = 0;
> ret = regmap_read(info->max77686->regmap, MAX77686_REG_STATUS2, &val);
> if (ret < 0) {
> - dev_err(info->dev, "%s:%d fail to read status2 reg(%d)\n",
> - __func__, __LINE__, ret);
> + dev_err(info->dev, "Fail to read status2 reg(%d)\n", ret);
> goto out;
> }
>
> @@ -426,8 +423,7 @@ static int max77686_rtc_stop_alarm(struct max77686_rtc_info *info)
> map[REG_ALARM1_SEC], data,
> ARRAY_SIZE(data));
> if (ret < 0) {
> - dev_err(info->dev, "%s: fail to read alarm reg(%d)\n",
> - __func__, ret);
> + dev_err(info->dev, "Fail to read alarm reg(%d)\n", ret);
> goto out;
> }
>
> @@ -452,8 +448,7 @@ static int max77686_rtc_stop_alarm(struct max77686_rtc_info *info)
> }
>
> if (ret < 0) {
> - dev_err(info->dev, "%s: fail to write alarm reg(%d)\n",
> - __func__, ret);
> + dev_err(info->dev, "Fail to write alarm reg(%d)\n", ret);
> goto out;
> }
>
> @@ -481,8 +476,7 @@ static int max77686_rtc_start_alarm(struct max77686_rtc_info *info)
> map[REG_ALARM1_SEC], data,
> ARRAY_SIZE(data));
> if (ret < 0) {
> - dev_err(info->dev, "%s: fail to read alarm reg(%d)\n",
> - __func__, ret);
> + dev_err(info->dev, "Fail to read alarm reg(%d)\n", ret);
> goto out;
> }
>
> @@ -508,8 +502,7 @@ static int max77686_rtc_start_alarm(struct max77686_rtc_info *info)
> }
>
> if (ret < 0) {
> - dev_err(info->dev, "%s: fail to write alarm reg(%d)\n",
> - __func__, ret);
> + dev_err(info->dev, "Fail to write alarm reg(%d)\n", ret);
> goto out;
> }
>
> @@ -539,8 +532,7 @@ static int max77686_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
> data, ARRAY_SIZE(data));
>
> if (ret < 0) {
> - dev_err(info->dev, "%s: fail to write alarm reg(%d)\n",
> - __func__, ret);
> + dev_err(info->dev, "Fail to write alarm reg(%d)\n", ret);
> goto out;
> }
>
> @@ -575,7 +567,7 @@ static irqreturn_t max77686_rtc_alarm_irq(int irq, void *data)
> {
> struct max77686_rtc_info *info = data;
>
> - dev_info(info->dev, "%s:irq(%d)\n", __func__, irq);
> + dev_dbg(info->dev, "RTC alarm IRQ: %d\n", irq);
>
> rtc_update_irq(info->rtc_dev, 1, RTC_IRQF | RTC_AF);
>
> @@ -605,8 +597,7 @@ static int max77686_rtc_init_reg(struct max77686_rtc_info *info)
> info->drv_data->map[REG_RTC_CONTROLM],
> data, ARRAY_SIZE(data));
> if (ret < 0) {
> - dev_err(info->dev, "%s: fail to write controlm reg(%d)\n",
> - __func__, ret);
> + dev_err(info->dev, "Fail to write controlm reg(%d)\n", ret);
> return ret;
> }
>
> @@ -621,8 +612,6 @@ static int max77686_rtc_probe(struct platform_device *pdev)
> const struct platform_device_id *id = platform_get_device_id(pdev);
> int ret;
>
> - dev_info(&pdev->dev, "%s\n", __func__);
> -
> info = devm_kzalloc(&pdev->dev, sizeof(struct max77686_rtc_info),
> GFP_KERNEL);
> if (!info)
> @@ -662,7 +651,7 @@ static int max77686_rtc_probe(struct platform_device *pdev)
>
> if (!max77686->rtc_irq_data) {
> ret = -EINVAL;
> - dev_err(&pdev->dev, "%s: no RTC regmap IRQ chip\n", __func__);
> + dev_err(&pdev->dev, "No RTC regmap IRQ chip\n");
> goto err_rtc;
> }
>
> --
> 1.9.1
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