linux-kernel - [PATCH] regulator: gpio: don't print error on EPROBE

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Message-Id: <1455877673-19307-1-git-send-email-rabin.vincent@axis.com>
Date:	Fri, 19 Feb 2016 11:27:53 +0100
From:	Rabin Vincent <rabin.vincent@...s.com>
To:	lgirdwood@...il.com, broonie@...nel.org
Cc:	linux-kernel@...r.kernel.org, Rabin Vincent <rabinv@...s.com>
Subject: [PATCH] regulator: gpio: don't print error on EPROBE_DEFER

Don't print out an error with the driver sees EPROBE_DEFER when
attempting to get the gpio.  These errors are usually transient; the
probe will be retried later.

Signed-off-by: Rabin Vincent <rabin.vincent@...s.com>
---
 drivers/regulator/gpio-regulator.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 7bba8b7..a8718e9 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -283,8 +283,10 @@ static int gpio_regulator_probe(struct platform_device *pdev)
 		drvdata->nr_gpios = config->nr_gpios;
 		ret = gpio_request_array(drvdata->gpios, drvdata->nr_gpios);
 		if (ret) {
-			dev_err(&pdev->dev,
-			"Could not obtain regulator setting GPIOs: %d\n", ret);
+			if (ret != -EPROBE_DEFER)
+				dev_err(&pdev->dev,
+					"Could not obtain regulator setting GPIOs: %d\n",
+					ret);
 			goto err_memstate;
 		}
 	}
-- 
2.7.0