linux-kernel - [PATCH 4/6] pwm: sifive: Simplify with dev_err

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Message-Id: <20200826144747.9436-4-krzk@kernel.org>
Date:   Wed, 26 Aug 2020 16:47:45 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Lee Jones <lee.jones@...aro.org>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Paul Cercueil <paul@...pouillou.net>,
        Heiko Stuebner <heiko@...ech.de>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>, linux-pwm@...r.kernel.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, linux-riscv@...ts.infradead.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 4/6] pwm: sifive: Simplify with dev_err_probe()

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

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/pwm/pwm-sifive.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
index 62de0bb85921..2485fbaaead2 100644
--- a/drivers/pwm/pwm-sifive.c
+++ b/drivers/pwm/pwm-sifive.c
@@ -254,11 +254,9 @@ static int pwm_sifive_probe(struct platform_device *pdev)
 		return PTR_ERR(ddata->regs);
 
 	ddata->clk = devm_clk_get(dev, NULL);
-	if (IS_ERR(ddata->clk)) {
-		if (PTR_ERR(ddata->clk) != -EPROBE_DEFER)
-			dev_err(dev, "Unable to find controller clock\n");
-		return PTR_ERR(ddata->clk);
-	}
+	if (IS_ERR(ddata->clk))
+		return dev_err_probe(dev, PTR_ERR(ddata->clk),
+				     "Unable to find controller clock\n");
 
 	ret = clk_prepare_enable(ddata->clk);
 	if (ret) {
-- 
2.17.1