linux-kernel - [PATCH] regulator: core: Quiet -EPROBE_DEFER from regulator_bulk

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Date:   Mon, 14 May 2018 15:40:27 -0700
From:   Douglas Anderson <dianders@...omium.org>
To:     broonie@...nel.org
Cc:     Douglas Anderson <dianders@...omium.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] regulator: core: Quiet -EPROBE_DEFER from regulator_bulk_get()

The -EPROBE_DEFER virus demands special case code to avoid printing
error messages when the error is only -EPROBE_DEFER.  Spread the virus
to a new host: regulator_bulk_get()

Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

 drivers/regulator/core.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d4803460a557..42e97fb85e95 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -3696,8 +3696,9 @@ int regulator_bulk_get(struct device *dev, int num_consumers,
 						      consumers[i].supply);
 		if (IS_ERR(consumers[i].consumer)) {
 			ret = PTR_ERR(consumers[i].consumer);
-			dev_err(dev, "Failed to get supply '%s': %d\n",
-				consumers[i].supply, ret);
+			if (ret != -EPROBE_DEFER)
+				dev_err(dev, "Failed to get supply '%s': %d\n",
+					consumers[i].supply, ret);
 			consumers[i].consumer = NULL;
 			goto err;
 		}
-- 
2.17.0.441.gb46fe60e1d-goog