static int dw8250_probe(struct platform_device *pdev)
{
struct uart_8250_port uart = {}, *up = &uart;
- struct resource *regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct uart_port *p = &up->port;
struct device *dev = &pdev->dev;
struct dw8250_data *data;
+ struct resource *regs;
int irq;
int err;
u32 val;
- if (!regs) {
- dev_err(dev, "no registers defined\n");
- return -EINVAL;
- }
+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!regs)
+ return dev_err_probe(dev, -EINVAL, "no registers defined\n");
irq = platform_get_irq(pdev, 0);
if (irq < 0)
err = clk_prepare_enable(data->clk);
if (err)
- dev_warn(dev, "could not enable optional baudclk: %d\n", err);
+ return dev_err_probe(dev, err, "could not enable optional baudclk\n");
err = devm_add_action_or_reset(dev, dw8250_clk_disable_unprepare, data->clk);
if (err)
p->uartclk = clk_get_rate(data->clk);
/* If no clock rate is defined, fail. */
- if (!p->uartclk) {
- dev_err(dev, "clock rate not defined\n");
- return -EINVAL;
- }
+ if (!p->uartclk)
+ return dev_err_probe(dev, -EINVAL, "clock rate not defined\n");
data->pclk = devm_clk_get_optional(dev, "apb_pclk");
if (IS_ERR(data->pclk))
return PTR_ERR(data->pclk);
err = clk_prepare_enable(data->pclk);
- if (err) {
- dev_err(dev, "could not enable apb_pclk\n");
- return err;
- }
+ if (err)
+ return dev_err_probe(dev, err, "could not enable apb_pclk\n");
err = devm_add_action_or_reset(dev, dw8250_clk_disable_unprepare, data->pclk);
if (err)
if (data->clk) {
err = clk_notifier_register(data->clk, &data->clk_notifier);
if (err)
- dev_warn(p->dev, "Failed to set the clock notifier\n");
- else
- queue_work(system_unbound_wq, &data->clk_work);
+ return dev_err_probe(dev, err, "Failed to set the clock notifier\n");
+ queue_work(system_unbound_wq, &data->clk_work);
}
platform_set_drvdata(pdev, data);