clk_get_optional
clk = __devm_clk_get(dev, id, clk_get_optional, NULL,
return __devm_clk_get(dev, id, clk_get_optional, NULL, NULL);
return __devm_clk_get(dev, id, clk_get_optional,
return __devm_clk_get(dev, id, clk_get_optional,
clk = clk_get_optional(gpio_dev, NULL);
dev->clk[0] = clk_get_optional(&pdev->dev, NULL);
priv->emmcclk = clk_get_optional(&phy->dev, "emmcclk");
priv->emmcclk = clk_get_optional(&phy->dev, "emmcclk");
rk_phy->emmcclk = clk_get_optional(&phy->dev, "emmcclk");
return clk_get_optional(dev, id);
priv->mclk = clk_get_optional(cs42l43->dev, "mclk");