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char/agp: introduce asm-generic/agp.h

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There are several architectures that duplicate definitions of
map_page_into_agp(), unmap_page_from_agp() and flush_agp_cache().

Define those in asm-generic/agp.h and use it instead of duplicated
per-architecture headers.

Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Mike Rapoport 2023-02-12 10:46:11 +02:00 committed by Arnd Bergmann
parent 0e4f2c4567
commit a13408c205
10 changed files with 8 additions and 65 deletions
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1
arch/alpha/include/asm/Kbuild
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@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
generated-y += syscall_table.h
generic-y += agp.h
generic-y += export.h
generic-y += kvm_para.h
generic-y += mcs_spinlock.h

13
arch/alpha/include/asm/agp.h
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@ -1,13 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef AGP_H
#define AGP_H 1
#include <asm/io.h>
/* dummy for now */
#define map_page_into_agp(page) do { } while (0)
#define unmap_page_from_agp(page) do { } while (0)
#define flush_agp_cache() mb()
#endif

1
arch/ia64/include/asm/Kbuild
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@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
generated-y += syscall_table.h
generic-y += agp.h
generic-y += kvm_para.h
generic-y += mcs_spinlock.h
generic-y += vtime.h

21
arch/ia64/include/asm/agp.h
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@ -1,21 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_IA64_AGP_H
#define _ASM_IA64_AGP_H
/*
* IA-64 specific AGP definitions.
*
* Copyright (C) 2002-2003 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
/*
* To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate
* in coherent mode, which lets us map the AGP memory as normal (write-back) memory
* (unlike x86, where it gets mapped "write-coalescing").
*/
#define map_page_into_agp(page) do { } while (0)
#define unmap_page_from_agp(page) do { } while (0)
#define flush_agp_cache() mb()
#endif /* _ASM_IA64_AGP_H */

1
arch/parisc/include/asm/Kbuild
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@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
generated-y += syscall_table_32.h
generated-y += syscall_table_64.h
generic-y += agp.h
generic-y += kvm_para.h
generic-y += mcs_spinlock.h
generic-y += user.h

15
arch/parisc/include/asm/agp.h
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@ -1,15 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_PARISC_AGP_H
#define _ASM_PARISC_AGP_H
/*
* PARISC specific AGP definitions.
* Copyright (c) 2006 Kyle McMartin <kyle@parisc-linux.org>
*
*/
#define map_page_into_agp(page) do { } while (0)
#define unmap_page_from_agp(page) do { } while (0)
#define flush_agp_cache() mb()
#endif /* _ASM_PARISC_AGP_H */

1
arch/powerpc/include/asm/Kbuild
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@ -2,6 +2,7 @@
generated-y += syscall_table_32.h
generated-y += syscall_table_64.h
generated-y += syscall_table_spu.h
generic-y += agp.h
generic-y += export.h
generic-y += kvm_types.h
generic-y += mcs_spinlock.h

1
arch/sparc/include/asm/Kbuild
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@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
generated-y += syscall_table_32.h
generated-y += syscall_table_64.h
generic-y += agp.h
generic-y += export.h
generic-y += kvm_para.h
generic-y += mcs_spinlock.h

11
arch/sparc/include/asm/agp.h
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@ -1,11 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef AGP_H
#define AGP_H 1
/* dummy for now */
#define map_page_into_agp(page) do { } while (0)
#define unmap_page_from_agp(page) do { } while (0)
#define flush_agp_cache() mb()
#endif

8
arch/powerpc/include/asm/agp.h → include/asm-generic/agp.h
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@ -1,7 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_AGP_H
#define _ASM_POWERPC_AGP_H
#ifdef __KERNEL__
#ifndef _ASM_GENERIC_AGP_H
#define _ASM_GENERIC_AGP_H
#include <asm/io.h>
@ -9,5 +8,4 @@
#define unmap_page_from_agp(page) do {} while (0)
#define flush_agp_cache() mb()
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_AGP_H */
#endif /* _ASM_GENERIC_AGP_H */