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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2012-08-20 09:57:04 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-05 22:15:07 +0200
commit833462e94cf091ef11f34219ca92d093ff9d2c3c (patch)
treef669d810bb0a576aa40e55e9f0f789ee018aead7 /drivers/tty
parenttty: move the async flags from the serial code into the tty includes (diff)
downloadlinux-833462e94cf091ef11f34219ca92d093ff9d2c3c.tar.xz
linux-833462e94cf091ef11f34219ca92d093ff9d2c3c.zip
serial/imx: improve error diagnosics for clock and pinctrl failures
These error paths are used more often now after deep changes to the clock code and pinctrl is still new for imx. So help debugging and give clues in the boot log. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/imx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 20e911724027..72ec56e6d42f 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1505,18 +1505,21 @@ static int serial_imx_probe(struct platform_device *pdev)
pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(pinctrl)) {
ret = PTR_ERR(pinctrl);
+ dev_err(&pdev->dev, "failed to get default pinctrl: %d\n", ret);
goto unmap;
}
sport->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
if (IS_ERR(sport->clk_ipg)) {
ret = PTR_ERR(sport->clk_ipg);
+ dev_err(&pdev->dev, "failed to get ipg clk: %d\n", ret);
goto unmap;
}
sport->clk_per = devm_clk_get(&pdev->dev, "per");
if (IS_ERR(sport->clk_per)) {
ret = PTR_ERR(sport->clk_per);
+ dev_err(&pdev->dev, "failed to get per clk: %d\n", ret);
goto unmap;
}