struct platform_device *pdev = of_find_device_by_node(np);
struct mt7620_gsw *gsw;
const __be32 *id;
+ int ret;
u8 val;
if (!pdev)
mt7620_ephy_init(gsw);
if (gsw->irq) {
- request_irq(gsw->irq, gsw_interrupt_mt7620, 0,
- "gsw", priv);
+ ret = request_irq(gsw->irq, gsw_interrupt_mt7620, 0,
+ "gsw", priv);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to request irq");
+ return ret;
+ }
mtk_switch_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
}