linux-kernel - [PATCH 04/10] clk: gpio: Simplify with dev_err

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Date:   Wed,  2 Sep 2020 17:03:42 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        David Lechner <david@...hnology.com>,
        Sekhar Nori <nsekhar@...com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, linux-arm-msm@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 04/10] clk: gpio: 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/clk/clk-gpio.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c
index 38755a241ab7..a3cc53edcb11 100644
--- a/drivers/clk/clk-gpio.c
+++ b/drivers/clk/clk-gpio.c
@@ -199,7 +199,6 @@ static int gpio_clk_driver_probe(struct platform_device *pdev)
 	struct gpio_desc *gpiod;
 	struct clk_hw *hw;
 	bool is_mux;
-	int ret;
 
 	is_mux = of_device_is_compatible(node, "gpio-mux-clock");
 
@@ -211,17 +210,10 @@ static int gpio_clk_driver_probe(struct platform_device *pdev)
 
 	gpio_name = is_mux ? "select" : "enable";
 	gpiod = devm_gpiod_get(dev, gpio_name, GPIOD_OUT_LOW);
-	if (IS_ERR(gpiod)) {
-		ret = PTR_ERR(gpiod);
-		if (ret == -EPROBE_DEFER)
-			pr_debug("%pOFn: %s: GPIOs not yet available, retry later\n",
-					node, __func__);
-		else
-			pr_err("%pOFn: %s: Can't get '%s' named GPIO property\n",
-					node, __func__,
-					gpio_name);
-		return ret;
-	}
+	if (IS_ERR(gpiod))
+		return dev_err_probe(dev, PTR_ERR(gpiod),
+				     "%pOFn: Can't get '%s' named GPIO property\n",
+				     node, gpio_name);
 
 	if (is_mux)
 		hw = clk_hw_register_gpio_mux(dev, gpiod);
-- 
2.17.1