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    Subject[PATCH v3 10/39] PM / devfreq: tegra20: Silence deferred probe error
    Date
    Tegra EMC driver was turned into a regular kernel driver, it also could
    be compiled as a loadable kernel module now. Hence EMC clock isn't
    guaranteed to be available and clk_get("emc") may return -EPROBE_DEFER and
    there is no good reason to spam KMSG with a error about missing EMC clock
    in this case, so let's silence the deferred probe error.

    Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
    ---
    drivers/devfreq/tegra20-devfreq.c | 8 +++++---
    1 file changed, 5 insertions(+), 3 deletions(-)

    diff --git a/drivers/devfreq/tegra20-devfreq.c b/drivers/devfreq/tegra20-devfreq.c
    index ff82bac9ee4e..6469dc69c5e0 100644
    --- a/drivers/devfreq/tegra20-devfreq.c
    +++ b/drivers/devfreq/tegra20-devfreq.c
    @@ -141,9 +141,11 @@ static int tegra_devfreq_probe(struct platform_device *pdev)

    /* EMC is a system-critical clock that is always enabled */
    tegra->emc_clock = devm_clk_get(&pdev->dev, "emc");
    - if (IS_ERR(tegra->emc_clock)) {
    - err = PTR_ERR(tegra->emc_clock);
    - dev_err(&pdev->dev, "failed to get emc clock: %d\n", err);
    + err = PTR_ERR_OR_ZERO(tegra->emc_clock);
    + if (err) {
    + if (err != -EPROBE_DEFER)
    + dev_err(&pdev->dev, "failed to get emc clock: %d\n",
    + err);
    return err;
    }

    --
    2.26.0
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