add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/iio/adc/envelope-detector.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * Driver for an envelope detector using a DAC and a comparator
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  *
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  * Copyright (C) 2016 Axentia Technologies AB
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  *
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  * Author: Peter Rosin <peda@axentia.se>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 /*
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@@ -346,33 +343,24 @@
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 	INIT_DELAYED_WORK(&env->comp_timeout, envelope_detector_timeout);
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 	indio_dev->name = dev_name(dev);
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-	indio_dev->dev.parent = dev;
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-	indio_dev->dev.of_node = dev->of_node;
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 	indio_dev->info = &envelope_detector_info;
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 	indio_dev->channels = &envelope_detector_iio_channel;
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 	indio_dev->num_channels = 1;
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 	env->dac = devm_iio_channel_get(dev, "dac");
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-	if (IS_ERR(env->dac)) {
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-		if (PTR_ERR(env->dac) != -EPROBE_DEFER)
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-			dev_err(dev, "failed to get dac input channel\n");
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-		return PTR_ERR(env->dac);
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-	}
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+	if (IS_ERR(env->dac))
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+		return dev_err_probe(dev, PTR_ERR(env->dac),
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+				     "failed to get dac input channel\n");
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 	env->comp_irq = platform_get_irq_byname(pdev, "comp");
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-	if (env->comp_irq < 0) {
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-		if (env->comp_irq != -EPROBE_DEFER)
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-			dev_err(dev, "failed to get compare interrupt\n");
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+	if (env->comp_irq < 0)
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 		return env->comp_irq;
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-	}
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 	ret = devm_request_irq(dev, env->comp_irq, envelope_detector_comp_isr,
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 			       0, "envelope-detector", env);
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-	if (ret) {
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-		if (ret != -EPROBE_DEFER)
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-			dev_err(dev, "failed to request interrupt\n");
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-		return ret;
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-	}
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+	if (ret)
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+		return dev_err_probe(dev, ret, "failed to request interrupt\n");
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+
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 	env->comp_irq_trigger = irq_get_trigger_type(env->comp_irq);
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 	if (env->comp_irq_trigger & IRQF_TRIGGER_RISING)
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 		env->comp_irq_trigger_inv |= IRQF_TRIGGER_FALLING;