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![Tom Rini](/assets/img/avatar_default.png)
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
24 lines
615 B
C
24 lines
615 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 1994, 1995, 1996 by Ralf Baechle
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*/
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#ifndef _ASM_CACHECTL
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#define _ASM_CACHECTL
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/*
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* Options for cacheflush system call
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*/
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#define ICACHE (1<<0) /* flush instruction cache */
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#define DCACHE (1<<1) /* writeback and flush data cache */
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#define BCACHE (ICACHE|DCACHE) /* flush both caches */
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/*
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* Caching modes for the cachectl(2) call
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*
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* cachectl(2) is currently not supported and returns ENOSYS.
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*/
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#define CACHEABLE 0 /* make pages cacheable */
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#define UNCACHEABLE 1 /* make pages uncacheable */
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#endif /* _ASM_CACHECTL */
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