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17 lines
433 B
17 lines
433 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _ASM_IA64_MMIOWB_H |
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#define _ASM_IA64_MMIOWB_H |
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/** |
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* mmiowb - I/O write barrier |
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* |
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* Ensure ordering of I/O space writes. This will make sure that writes |
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* following the barrier will arrive after all previous writes. For most |
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* ia64 platforms, this is a simple 'mf.a' instruction. |
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*/ |
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#define mmiowb() ia64_mfa() |
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#include <asm-generic/mmiowb.h> |
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#endif /* _ASM_IA64_MMIOWB_H */
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