修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/drivers/dma/ppc4xx/adma.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) 2006-2009 DENX Software Engineering.
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  *
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@@ -5,19 +6,6 @@
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  *
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  * Further porting to arch/powerpc by
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  * 	Anatolij Gustschin <agust@denx.de>
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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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@@ -1672,9 +1660,9 @@
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 /**
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  * ppc440spe_adma_tasklet - clean up watch-dog initiator
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  */
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-static void ppc440spe_adma_tasklet(unsigned long data)
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+static void ppc440spe_adma_tasklet(struct tasklet_struct *t)
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 {
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-	struct ppc440spe_adma_chan *chan = (struct ppc440spe_adma_chan *) data;
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+	struct ppc440spe_adma_chan *chan = from_tasklet(chan, t, irq_tasklet);
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 	spin_lock_nested(&chan->lock, SINGLE_DEPTH_NESTING);
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 	__ppc440spe_adma_slot_cleanup(chan);
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@@ -4153,8 +4141,7 @@
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 	chan->common.device = &adev->common;
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 	dma_cookie_init(&chan->common);
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 	list_add_tail(&chan->common.device_node, &adev->common.channels);
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-	tasklet_init(&chan->irq_tasklet, ppc440spe_adma_tasklet,
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-		     (unsigned long)chan);
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+	tasklet_setup(&chan->irq_tasklet, ppc440spe_adma_tasklet);
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 	/* allocate and map helper pages for async validation or
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 	 * async_mult/async_sum_product operations on DMA0/1.
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@@ -4315,7 +4302,7 @@
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 	for (i = 0; i < PPC440SPE_ADMA_ENGINES_NUM; i++) {
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 		if (ppc440spe_adma_devices[i] == -1)
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 			continue;
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-		size += snprintf(buf + size, PAGE_SIZE - size,
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+		size += scnprintf(buf + size, PAGE_SIZE - size,
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 				 "PPC440SP(E)-ADMA.%d: %s\n", i,
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 				 ppc_adma_errors[ppc440spe_adma_devices[i]]);
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 	}