summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/tty/serial/imx.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 782b0e524e14..5240f9c080c3 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -2137,8 +2137,10 @@ static int serial_imx_probe(struct platform_device *pdev)
/* For register access, we only need to enable the ipg clock. */
ret = clk_prepare_enable(sport->clk_ipg);
- if (ret)
+ if (ret) {
+ dev_err(&pdev->dev, "failed to enable per clk: %d\n", ret);
return ret;
+ }
/* Disable interrupts before requesting them */
reg = readl_relaxed(sport->port.membase + UCR1);
@@ -2155,18 +2157,26 @@ static int serial_imx_probe(struct platform_device *pdev)
if (txirq > 0) {
ret = devm_request_irq(&pdev->dev, rxirq, imx_rxint, 0,
dev_name(&pdev->dev), sport);
- if (ret)
+ if (ret) {
+ dev_err(&pdev->dev, "failed to request rx irq: %d\n",
+ ret);
return ret;
+ }
ret = devm_request_irq(&pdev->dev, txirq, imx_txint, 0,
dev_name(&pdev->dev), sport);
- if (ret)
+ if (ret) {
+ dev_err(&pdev->dev, "failed to request tx irq: %d\n",
+ ret);
return ret;
+ }
} else {
ret = devm_request_irq(&pdev->dev, rxirq, imx_int, 0,
dev_name(&pdev->dev), sport);
- if (ret)
+ if (ret) {
+ dev_err(&pdev->dev, "failed to request irq: %d\n", ret);
return ret;
+ }
}
imx_ports[sport->port.line] = sport;
OpenPOWER on IntegriCloud