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serial/imx: improve error diagnosics for clock and pinctrl failures

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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>
This commit is contained in:
Uwe Kleine-König 2012-08-20 09:57:04 +02:00 committed by Greg Kroah-Hartman
parent ba3fe7aba2
commit 833462e94c
1 changed files with 3 additions and 0 deletions
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3
drivers/tty/serial/imx.c
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@ -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;
}