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tty: serial: 8250-of: Do not warn on deferred probe

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Deferred probe is an expected return value for clk_get() on many
platforms. The driver deals with it properly, so there's no need
to output a warning that may potentially confuse users.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thierry Reding 2019-06-05 10:51:42 +02:00 committed by Greg Kroah-Hartman
parent f5a9e5f7dd
commit 87bb008c77
1 changed files with 3 additions and 2 deletions
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5
drivers/tty/serial/8250/8250_of.c
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@ -70,9 +70,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
/* Get clk rate through clk driver if present */
info->clk = devm_clk_get(&ofdev->dev, NULL);
if (IS_ERR(info->clk)) {
dev_warn(&ofdev->dev,
"clk or clock-frequency not defined\n");
ret = PTR_ERR(info->clk);
if (ret != -EPROBE_DEFER)
dev_warn(&ofdev->dev,
"failed to get clock: %d\n", ret);
goto err_pmruntime;
}