u32 val;
pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);
- if (!pc) {
- dev_err(&pdev->dev, "failed to allocate memory\n");
+ if (!pc)
return -ENOMEM;
- }
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
pc->mmio_base = devm_ioremap_resource(&pdev->dev, r);
}
ret = pwmchip_add(&pc->chip);
- if (!ret) {
+ if (ret < 0) {
clk_unprepare(pc->clk);
dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
}