int ret = 0;
u32 val;
- if (!IS_ERR(priv->clk)) {
- ret = clk_prepare_enable(priv->clk);
- if (ret)
- return ret;
- }
+ ret = clk_prepare_enable(priv->clk);
+ if (ret)
+ return ret;
if (priv->mask_interrupts) {
/* mask the interrupt */
/* disable rng hardware */
rng_writel(priv, 0, RNG_CTRL);
- if (!IS_ERR(priv->clk))
- clk_disable_unprepare(priv->clk);
+ clk_disable_unprepare(priv->clk);
}
struct bcm2835_rng_of_data {
return PTR_ERR(priv->base);
/* Clock is optional on most platforms */
- priv->clk = devm_clk_get(dev, NULL);
- if (PTR_ERR(priv->clk) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
+ priv->clk = devm_clk_get_optional(dev, NULL);
+ if (IS_ERR(priv->clk))
+ return PTR_ERR(priv->clk);
priv->rng.name = pdev->name;
priv->rng.init = bcm2835_rng_init;