add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/iio/buffer/industrialio-hw-consumer.c
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@@ -142,26 +142,12 @@
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 	iio_hw_consumer_free(*(struct iio_hw_consumer **)res);
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 }
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-static int devm_iio_hw_consumer_match(struct device *dev, void *res, void *data)
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-{
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-	struct iio_hw_consumer **r = res;
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-
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-	if (!r || !*r) {
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-		WARN_ON(!r || !*r);
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-		return 0;
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-	}
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-	return *r == data;
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-}
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-
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 /**
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  * devm_iio_hw_consumer_alloc - Resource-managed iio_hw_consumer_alloc()
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  * @dev: Pointer to consumer device.
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  *
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  * Managed iio_hw_consumer_alloc. iio_hw_consumer allocated with this function
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  * is automatically freed on driver detach.
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- *
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- * If an iio_hw_consumer allocated with this function needs to be freed
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- * separately, devm_iio_hw_consumer_free() must be used.
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  *
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  * returns pointer to allocated iio_hw_consumer on success, NULL on failure.
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  */
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@@ -185,23 +171,6 @@
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 	return iio_hwc;
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 }
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 EXPORT_SYMBOL_GPL(devm_iio_hw_consumer_alloc);
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-
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-/**
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- * devm_iio_hw_consumer_free - Resource-managed iio_hw_consumer_free()
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- * @dev: Pointer to consumer device.
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- * @hwc: iio_hw_consumer to free.
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- *
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- * Free iio_hw_consumer allocated with devm_iio_hw_consumer_alloc().
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- */
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-void devm_iio_hw_consumer_free(struct device *dev, struct iio_hw_consumer *hwc)
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-{
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-	int rc;
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-
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-	rc = devres_release(dev, devm_iio_hw_consumer_release,
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-			    devm_iio_hw_consumer_match, hwc);
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-	WARN_ON(rc);
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-}
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-EXPORT_SYMBOL_GPL(devm_iio_hw_consumer_free);
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 /**
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  * iio_hw_consumer_enable() - Enable IIO hardware consumer