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gpio: mb86s7x: Use devm_clk_get_optional() to get the input clock 

Simplify the code which fetches the input clock by using
devm_clk_get_optional(). If no input clock is present
devm_clk_get_optional() will return NULL instead of an error
which matches the behavior of the old code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200512182623.54990-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Shevchenko 2020-05-12 21:26:22 +03:00 committed by Linus Walleij
parent 582838ea5b
commit 672de52744
1 changed files with 6 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpio/gpio-mb86s7x.c
View File

@ -168,15 +168,13 @@ static int mb86s70_gpio_probe(struct platform_device *pdev)
if (IS_ERR(gchip->base))
return PTR_ERR(gchip->base);
if (!has_acpi_companion(&pdev->dev)) {
gchip->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(gchip->clk))
return PTR_ERR(gchip->clk);
gchip->clk = devm_clk_get_optional(&pdev->dev, NULL);
if (IS_ERR(gchip->clk))
return PTR_ERR(gchip->clk);
ret = clk_prepare_enable(gchip->clk);
if (ret)
return ret;
}
ret = clk_prepare_enable(gchip->clk);
if (ret)
return ret;
spin_lock_init(&gchip->lock);