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gpio: vf610: Use PTR_ERR_OR_ZERO() in vf610_gpio_probe()

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Simplify error checking code by replacing multiple ERR macros with a
call to PTR_ERR_OR_ZERO. No functional change intended.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andrey Smirnov 2019-04-28 22:49:48 -07:00 committed by Linus Walleij
parent cd6c84d8f0
commit 663ba742d2
1 changed files with 8 additions and 6 deletions
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14
drivers/gpio/gpio-vf610.c
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@ -265,7 +265,8 @@ static int vf610_gpio_probe(struct platform_device *pdev)
return port->irq;
port->clk_port = devm_clk_get(dev, "port");
if (!IS_ERR(port->clk_port)) {
ret = PTR_ERR_OR_ZERO(port->clk_port);
if (!ret) {
ret = clk_prepare_enable(port->clk_port);
if (ret)
return ret;
@ -273,16 +274,17 @@ static int vf610_gpio_probe(struct platform_device *pdev)
port->clk_port);
if (ret)
return ret;
} else if (port->clk_port == ERR_PTR(-EPROBE_DEFER)) {
} else if (ret == -EPROBE_DEFER) {
/*
* Percolate deferrals, for anything else,
* just live without the clocking.
*/
return PTR_ERR(port->clk_port);
return ret;
}
port->clk_gpio = devm_clk_get(dev, "gpio");
if (!IS_ERR(port->clk_gpio)) {
ret = PTR_ERR_OR_ZERO(port->clk_gpio);
if (!ret) {
ret = clk_prepare_enable(port->clk_gpio);
if (ret)
return ret;
@ -290,8 +292,8 @@ static int vf610_gpio_probe(struct platform_device *pdev)
port->clk_gpio);
if (ret)
return ret;
} else if (port->clk_gpio == ERR_PTR(-EPROBE_DEFER)) {
return PTR_ERR(port->clk_gpio);
} else if (ret == -EPROBE_DEFER) {
return ret;
}
gc = &port->gc;