linux-kernel - [PATCH 3/4] crypto: stm32-hash - Simplify with dev_err

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Date:   Wed,  2 Sep 2020 17:05:29 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Corentin Labbe <clabbe.montjoie@...il.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Horia Geantă <horia.geanta@....com>,
        Aymen Sghaier <aymen.sghaier@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Chen Zhou <chenzhou10@...wei.com>,
        linux-crypto@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 3/4] crypto: stm32-hash - Simplify with dev_err_probe()

Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/crypto/stm32/stm32-hash.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index 092eaabda238..3524130cf6ee 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -1464,14 +1464,9 @@ static int stm32_hash_probe(struct platform_device *pdev)
 	}
 
 	hdev->clk = devm_clk_get(&pdev->dev, NULL);
-	if (IS_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);
-	}
+	if (IS_ERR(hdev->clk))
+		return dev_err_probe(dev, PTR_ERR(hdev->clk),
+				     "failed to get clock for hash\n");
 
 	ret = clk_prepare_enable(hdev->clk);
 	if (ret) {
-- 
2.17.1