add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/dma/mpc512x_dma.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright (C) Freescale Semicondutor, Inc. 2007, 2008.
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  * Copyright (C) Semihalf 2009
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  *
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  * Approved as OSADL project by a majority of OSADL members and funded
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  * by OSADL membership fees in 2009;  for details see www.osadl.org.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the Free
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- * Software Foundation; either version 2 of the License, or (at your option)
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- * any later version.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * The full GNU General Public License is included in this distribution in the
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- * file called COPYING.
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  */
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 /*
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@@ -426,9 +414,9 @@
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 }
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 /* DMA Tasklet */
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-static void mpc_dma_tasklet(unsigned long data)
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+static void mpc_dma_tasklet(struct tasklet_struct *t)
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 {
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-	struct mpc_dma *mdma = (void *)data;
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+	struct mpc_dma *mdma = from_tasklet(mdma, t, tasklet);
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 	unsigned long flags;
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 	uint es;
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@@ -1021,7 +1009,7 @@
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 		list_add_tail(&mchan->chan.device_node, &dma->channels);
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 	}
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-	tasklet_init(&mdma->tasklet, mpc_dma_tasklet, (unsigned long)mdma);
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+	tasklet_setup(&mdma->tasklet, mpc_dma_tasklet);
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 	/*
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 	 * Configure DMA Engine: