change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/drivers/dma/idma64.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Core driver for the Intel integrated DMA 64-bit
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  *
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  * Copyright (C) 2015 Intel Corporation
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  * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.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/bitops.h>
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@@ -19,10 +16,9 @@
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 #include <linux/platform_device.h>
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 #include <linux/slab.h>
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-#include "idma64.h"
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+#include <linux/dma/idma64.h>
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-/* Platform driver name */
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-#define DRV_NAME		"idma64"
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+#include "idma64.h"
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 /* For now we support only two channels */
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 #define IDMA64_NR_CHAN		2
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@@ -142,9 +138,8 @@
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 {
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 	struct idma64_chan *idma64c = &idma64->chan[c];
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 	struct idma64_desc *desc;
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-	unsigned long flags;
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-	spin_lock_irqsave(&idma64c->vchan.lock, flags);
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+	spin_lock(&idma64c->vchan.lock);
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 	desc = idma64c->desc;
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 	if (desc) {
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 		if (status_err & (1 << c)) {
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@@ -161,7 +156,7 @@
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 		if (idma64c->desc == NULL || desc->status == DMA_ERROR)
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 			idma64_stop_transfer(idma64c);
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 	}
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-	spin_unlock_irqrestore(&idma64c->vchan.lock, flags);
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+	spin_unlock(&idma64c->vchan.lock);
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 }
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 static irqreturn_t idma64_irq(int irq, void *dev)
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@@ -407,10 +402,6 @@
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 		struct dma_slave_config *config)
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 {
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 	struct idma64_chan *idma64c = to_idma64_chan(chan);
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-
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-	/* Check if chan will be configured for slave transfers */
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-	if (!is_slave_direction(config->direction))
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-		return -EINVAL;
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 	memcpy(&idma64c->config, config, sizeof(idma64c->config));
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@@ -704,7 +695,7 @@
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 	.probe		= idma64_platform_probe,
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 	.remove		= idma64_platform_remove,
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 	.driver = {
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-		.name	= DRV_NAME,
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+		.name	= LPSS_IDMA64_DRIVER_NAME,
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 		.pm	= &idma64_dev_pm_ops,
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 	},
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 };
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@@ -714,4 +705,4 @@
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 MODULE_LICENSE("GPL v2");
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 MODULE_DESCRIPTION("iDMA64 core driver");
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 MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
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-MODULE_ALIAS("platform:" DRV_NAME);
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+MODULE_ALIAS("platform:" LPSS_IDMA64_DRIVER_NAME);