Merge tag 'asm-generic-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic cleanups from Arnd Bergmann:
 "Only three minor changes: a cross-platform series from Mike Rapoport
  to consolidate asm/agp.h between architectures, and a correctness
  change for __generic_cmpxchg_local() from Matt Evans"

* tag 'asm-generic-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  char/agp: introduce asm-generic/agp.h
  char/agp: consolidate {alloc,free}_gatt_pages()
  locking/atomic: cmpxchg: Make __generic_cmpxchg_local compare against zero-extended 'old' value

11 files changed, 5 insertions, 109 deletions

diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild
index 42911c8340c7..54f5126628c6 100644
--- a/arch/alpha/include/asm/Kbuild
+++ b/arch/alpha/include/asm/Kbuild
@@ -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
diff --git a/arch/alpha/include/asm/agp.h b/arch/alpha/include/asm/agp.h
deleted file mode 100644
index 7874f063d000..000000000000
--- a/arch/alpha/include/asm/agp.h
+++ /dev/null
@@ -1,19 +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()
-
-/* GATT allocation. Returns/accepts GATT kernel virtual address. */
-#define alloc_gatt_pages(order)		\
-	((char *)__get_free_pages(GFP_KERNEL, (order)))
-#define free_gatt_pages(table, order)	\
-	free_pages((unsigned long)(table), (order))
-
-#endif
diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild
index f994c1daf9d4..aefae2efde9f 100644
--- a/arch/ia64/include/asm/Kbuild
+++ b/arch/ia64/include/asm/Kbuild
@@ -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
diff --git a/arch/ia64/include/asm/agp.h b/arch/ia64/include/asm/agp.h
deleted file mode 100644
index 0261507dc264..000000000000
--- a/arch/ia64/include/asm/agp.h
+++ /dev/null
@@ -1,27 +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()
-
-/* GATT allocation. Returns/accepts GATT kernel virtual address. */
-#define alloc_gatt_pages(order)		\
-	((char *)__get_free_pages(GFP_KERNEL, (order)))
-#define free_gatt_pages(table, order)	\
-	free_pages((unsigned long)(table), (order))
-
-#endif /* _ASM_IA64_AGP_H */
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index e6e7f74c8ac9..4fb596d94c89 100644
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -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
diff --git a/arch/parisc/include/asm/agp.h b/arch/parisc/include/asm/agp.h
deleted file mode 100644
index 14ae54cfd368..000000000000
--- a/arch/parisc/include/asm/agp.h
+++ /dev/null
@@ -1,21 +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()
-
-/* GATT allocation. Returns/accepts GATT kernel virtual address. */
-#define alloc_gatt_pages(order)		\
-	((char *)__get_free_pages(GFP_KERNEL, (order)))
-#define free_gatt_pages(table, order)	\
-	free_pages((unsigned long)(table), (order))
-
-#endif /* _ASM_PARISC_AGP_H */
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index bcf95ce0964f..419319c4963c 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -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
diff --git a/arch/powerpc/include/asm/agp.h b/arch/powerpc/include/asm/agp.h
deleted file mode 100644
index 6b6485c988dd..000000000000
--- a/arch/powerpc/include/asm/agp.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_POWERPC_AGP_H
-#define _ASM_POWERPC_AGP_H
-#ifdef __KERNEL__
-
-#include <asm/io.h>
-
-#define map_page_into_agp(page) do {} while (0)
-#define unmap_page_from_agp(page) do {} while (0)
-#define flush_agp_cache() mb()
-
-/* GATT allocation. Returns/accepts GATT kernel virtual address. */
-#define alloc_gatt_pages(order)		\
-	((char *)__get_free_pages(GFP_KERNEL, (order)))
-#define free_gatt_pages(table, order)	\
-	free_pages((unsigned long)(table), (order))
-
-#endif /* __KERNEL__ */
-#endif	/* _ASM_POWERPC_AGP_H */
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index 0b9d98ced34a..595ca0be286b 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -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
diff --git a/arch/sparc/include/asm/agp.h b/arch/sparc/include/asm/agp.h
deleted file mode 100644
index 2d0ff84cee3f..000000000000
--- a/arch/sparc/include/asm/agp.h
+++ /dev/null
@@ -1,17 +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()
-
-/* GATT allocation. Returns/accepts GATT kernel virtual address. */
-#define alloc_gatt_pages(order)		\
-	((char *)__get_free_pages(GFP_KERNEL, (order)))
-#define free_gatt_pages(table, order)	\
-	free_pages((unsigned long)(table), (order))
-
-#endif
diff --git a/arch/x86/include/asm/agp.h b/arch/x86/include/asm/agp.h
index cd7b14322035..c8c111d8fbd7 100644
--- a/arch/x86/include/asm/agp.h
+++ b/arch/x86/include/asm/agp.h
@@ -23,10 +23,4 @@
  */
 #define flush_agp_cache() wbinvd()
 
-/* GATT allocation. Returns/accepts GATT kernel virtual address. */
-#define alloc_gatt_pages(order)		\
-	((char *)__get_free_pages(GFP_KERNEL, (order)))
-#define free_gatt_pages(table, order)	\
-	free_pages((unsigned long)(table), (order))
-
 #endif /* _ASM_X86_AGP_H */