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serial: tegra: Don't print error on probe deferral

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If the Tegra serial driver is probe before clocks are available then the
following error is seen on boot:

 serial-tegra 3100000.serial: Couldn't get the clock

This has been observed on Jetson AGX Orin. Fix this by calling
dev_err_probe() instead of dev_err() to avoid printing an error on probe
deferral.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230703113759.75608-1-jonathanh@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jon Hunter 2023-07-03 12:37:59 +01:00 committed by Greg Kroah-Hartman
parent 29e5c442e5
commit ad4484afe7
1 changed files with 2 additions and 4 deletions
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6
drivers/tty/serial/serial-tegra.c
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@ -1589,10 +1589,8 @@ static int tegra_uart_probe(struct platform_device *pdev)
return PTR_ERR(u->membase);
tup->uart_clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(tup->uart_clk)) {
dev_err(&pdev->dev, "Couldn't get the clock\n");
return PTR_ERR(tup->uart_clk);
}
if (IS_ERR(tup->uart_clk))
return dev_err_probe(&pdev->dev, PTR_ERR(tup->uart_clk), "Couldn't get the clock");
tup->rst = devm_reset_control_get_exclusive(&pdev->dev, "serial");
if (IS_ERR(tup->rst)) {