Bluetooth: hci_bcm: Handle deferred probing for the clock supply
On some systems that actually have the bluetooth controller wired up with an extra clock signal, it's possible the bluetooth controller probes before the clock provider. clk_get would return a defer probe error, which was not handled by this driver. Handle this properly, so that these systems can work reliably. Tested-by: Ondrej Jirman <megous@megous.com> Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -907,6 +907,10 @@ static int bcm_get_resources(struct bcm_device *dev)
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dev->clk = devm_clk_get(dev->dev, NULL);
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/* Handle deferred probing */
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if (dev->clk == ERR_PTR(-EPROBE_DEFER))
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return PTR_ERR(dev->clk);
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dev->device_wakeup = devm_gpiod_get_optional(dev->dev, "device-wakeup",
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GPIOD_OUT_LOW);
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if (IS_ERR(dev->device_wakeup))
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