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serial: ns16550: Handle -ENOENT when requesting clock
When calling clk_get_by_index(), fall back to the legacy method of getting the clock if -ENOENT is returned. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com>
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@ -408,7 +408,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
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err = clk_get_rate(&clk);
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if (!IS_ERR_VALUE(err))
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plat->clock = err;
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} else if (err != -ENODEV && err != -ENOSYS) {
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} else if (err != -ENOENT && err != -ENODEV && err != -ENOSYS) {
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debug("ns16550 failed to get clock\n");
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return err;
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}
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