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hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/dma/of-dma.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Device tree helpers for DMA request / controller
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  *
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  * Based on of_gpio.c
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  *
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  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
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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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 #include <linux/device.h>
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@@ -17,6 +14,8 @@
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 #include <linux/slab.h>
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 #include <linux/of.h>
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 #include <linux/of_dma.h>
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+
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+#include "dmaengine.h"
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 static LIST_HEAD(of_dma_list);
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 static DEFINE_MUTEX(of_dma_lock);
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@@ -47,7 +46,7 @@
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 /**
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  * of_dma_router_xlate - translation function for router devices
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  * @dma_spec:	pointer to DMA specifier as found in the device tree
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- * @of_dma:	pointer to DMA controller data (router information)
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+ * @ofdma:	pointer to DMA controller data (router information)
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  *
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  * The function creates new dma_spec to be passed to the router driver's
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  * of_dma_route_allocate() function to prepare a dma_spec which will be used
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@@ -98,7 +97,7 @@
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  * @np:			device node of DMA controller
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  * @of_dma_xlate:	translation function which converts a phandle
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  *			arguments list into a dma_chan structure
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- * @data		pointer to controller specific data to be used by
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+ * @data:		pointer to controller specific data to be used by
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  *			translation function
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  *
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  * Returns 0 on success or appropriate errno value on error.
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@@ -301,7 +300,7 @@
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 /**
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  * of_dma_simple_xlate - Simple DMA engine translation function
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  * @dma_spec:	pointer to DMA specifier as found in the device tree
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- * @of_dma:	pointer to DMA controller data
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+ * @ofdma:	pointer to DMA controller data
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  *
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  * A simple translation function for devices that use a 32-bit value for the
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  * filter_param when calling the DMA engine dma_request_channel() function.
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@@ -321,15 +320,15 @@
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 	if (count != 1)
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 		return NULL;
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-	return dma_request_channel(info->dma_cap, info->filter_fn,
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-			&dma_spec->args[0]);
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+	return __dma_request_channel(&info->dma_cap, info->filter_fn,
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+				     &dma_spec->args[0], dma_spec->np);
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 }
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 EXPORT_SYMBOL_GPL(of_dma_simple_xlate);
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 /**
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  * of_dma_xlate_by_chan_id - Translate dt property to DMA channel by channel id
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  * @dma_spec:	pointer to DMA specifier as found in the device tree
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- * @of_dma:	pointer to DMA controller data
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+ * @ofdma:	pointer to DMA controller data
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  *
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  * This function can be used as the of xlate callback for DMA driver which wants
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  * to match the channel based on the channel id. When using this xlate function