linux-kernel - [PATCH] iio: adc: hx711: remove errors during deferred probe

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Date:   Fri,  4 Nov 2022 12:22:43 -0500
From:   Nate Drude <nate.d@...iscite.com>
To:     Andreas Klinger <ak@...klinger.de>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     eran.m@...iscite.com, Nate Drude <nate.d@...iscite.com>
Subject: [PATCH] iio: adc: hx711: remove errors during deferred probe

This patch removes noisy kernel messages like "failed to sck-gpiod" or
"failed to get dout-gpiod" when the probe is deferred.

Signed-off-by: Nate Drude <nate.d@...iscite.com>
---
 drivers/iio/adc/hx711.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/adc/hx711.c b/drivers/iio/adc/hx711.c
index f7ee856a6b8b..8ba4a5b113aa 100644
--- a/drivers/iio/adc/hx711.c
+++ b/drivers/iio/adc/hx711.c
@@ -482,8 +482,9 @@ static int hx711_probe(struct platform_device *pdev)
 	 */
 	hx711_data->gpiod_pd_sck = devm_gpiod_get(dev, "sck", GPIOD_OUT_LOW);
 	if (IS_ERR(hx711_data->gpiod_pd_sck)) {
-		dev_err(dev, "failed to get sck-gpiod: err=%ld\n",
-					PTR_ERR(hx711_data->gpiod_pd_sck));
+		if (PTR_ERR(hx711_data->gpiod_pd_sck) != -EPROBE_DEFER)
+			dev_err(dev, "failed to get sck-gpiod: err=%ld\n",
+						PTR_ERR(hx711_data->gpiod_pd_sck));
 		return PTR_ERR(hx711_data->gpiod_pd_sck);
 	}
 
@@ -493,8 +494,9 @@ static int hx711_probe(struct platform_device *pdev)
 	 */
 	hx711_data->gpiod_dout = devm_gpiod_get(dev, "dout", GPIOD_IN);
 	if (IS_ERR(hx711_data->gpiod_dout)) {
-		dev_err(dev, "failed to get dout-gpiod: err=%ld\n",
-					PTR_ERR(hx711_data->gpiod_dout));
+		if (PTR_ERR(hx711_data->gpiod_dout) != -EPROBE_DEFER)
+			dev_err(dev, "failed to get dout-gpiod: err=%ld\n",
+						PTR_ERR(hx711_data->gpiod_dout));
 		return PTR_ERR(hx711_data->gpiod_dout);
 	}
 
-- 
2.38.1