linux-kernel - [PATCH 3/3] crypto: stm32/hash - don't print error on probe deferral

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Date:   Mon, 27 Apr 2020 08:42:26 +0200
From:   Lionel Debieve <lionel.debieve@...com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        <linux-crypto@...r.kernel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: [PATCH 3/3] crypto: stm32/hash - don't print error on probe deferral

Change driver to not print an error message when the device
probe is deferred for a clock resource.

Signed-off-by: Lionel Debieve <lionel.debieve@...com>
---
 drivers/crypto/stm32/stm32-hash.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index 0d592f55a271..03c5e6683805 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -1464,8 +1464,11 @@ static int stm32_hash_probe(struct platform_device *pdev)
 
 	hdev->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(hdev->clk)) {
-		dev_err(dev, "failed to get clock for hash (%lu)\n",
-			PTR_ERR(hdev->clk));
+		if (PTR_ERR(hdev->clk) != -EPROBE_DEFER) {
+			dev_err(dev, "failed to get clock for hash (%lu)\n",
+				PTR_ERR(hdev->clk));
+		}
+
 		return PTR_ERR(hdev->clk);
 	}
 
-- 
2.17.1