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| author | Sang-Heon Jeon <ekffu200098@gmail.com> | 2026-08-24 01:18:14 +0900 |
|---|---|---|
| committer | Julia Lawall <Julia.Lawall@inria.fr> | 2026-08-23 22:12:11 +0200 |
| commit | 2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c (patch) | |
| tree | dcc4da1d99f17541c5590ac63c77da4bf372a4ab /arch/powerpc/boot/io.h | |
| download | linux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.tar.gz linux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.zip | |
coccinelle: alloc_cast: drop removed allocatorsgrafted
- pci_alloc_consistent() and pci_zalloc_consistent() were removed by
commit 7968778914e5
("PCI: Remove the deprecated "pci-dma-compat.h" API")
- kmem_alloc() was removed by commit f078d4ea8276
("xfs: convert kmem_alloc() to kmalloc()")
- kmem_zalloc() was removed by commit 10634530f7ba
("xfs: convert kmem_zalloc() to kzalloc()")
- kmem_zone_alloc() and kmem_zone_zalloc() were removed by commit
bae633a4a283 ("xfs: remove xfs_zone_{alloc,zalloc} helpers")
So drop them from the rules.
No functional change.
Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Diffstat (limited to 'arch/powerpc/boot/io.h')
| -rw-r--r-- | arch/powerpc/boot/io.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/powerpc/boot/io.h b/arch/powerpc/boot/io.h new file mode 100644 index 000000000..5c6f90c34 --- /dev/null +++ b/arch/powerpc/boot/io.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _IO_H +#define _IO_H + +#include "types.h" + +/* + * Low-level I/O routines. + * + * Copied from <file:arch/powerpc/include/asm/io.h> (which has no copyright) + */ +static inline int in_8(const volatile unsigned char *addr) +{ + int ret; + + __asm__ __volatile__("lbz%U1%X1 %0,%1; twi 0,%0,0; isync" + : "=r" (ret) : "m" (*addr)); + return ret; +} + +static inline void out_8(volatile unsigned char *addr, int val) +{ + __asm__ __volatile__("stb%U0%X0 %1,%0; sync" + : "=m" (*addr) : "r" (val)); +} + +static inline unsigned in_le16(const volatile u16 *addr) +{ + unsigned ret; + + __asm__ __volatile__("lhbrx %0,0,%1; twi 0,%0,0; isync" + : "=r" (ret) : "r" (addr), "m" (*addr)); + + return ret; +} + +static inline unsigned in_be16(const volatile u16 *addr) +{ + unsigned ret; + + __asm__ __volatile__("lhz%U1%X1 %0,%1; twi 0,%0,0; isync" + : "=r" (ret) : "m" (*addr)); + return ret; +} + +static inline void out_le16(volatile u16 *addr, int val) +{ + __asm__ __volatile__("sthbrx %1,0,%2; sync" : "=m" (*addr) + : "r" (val), "r" (addr)); +} + +static inline void out_be16(volatile u16 *addr, int val) +{ + __asm__ __volatile__("sth%U0%X0 %1,%0; sync" + : "=m" (*addr) : "r" (val)); +} + +static inline unsigned in_le32(const volatile unsigned *addr) +{ + unsigned ret; + + __asm__ __volatile__("lwbrx %0,0,%1; twi 0,%0,0; isync" + : "=r" (ret) : "r" (addr), "m" (*addr)); + return ret; +} + +static inline unsigned in_be32(const volatile unsigned *addr) +{ + unsigned ret; + + __asm__ __volatile__("lwz%U1%X1 %0,%1; twi 0,%0,0; isync" + : "=r" (ret) : "m" (*addr)); + return ret; +} + +static inline void out_le32(volatile unsigned *addr, int val) +{ + __asm__ __volatile__("stwbrx %1,0,%2; sync" : "=m" (*addr) + : "r" (val), "r" (addr)); +} + +static inline void out_be32(volatile unsigned *addr, int val) +{ + __asm__ __volatile__("stw%U0%X0 %1,%0; sync" + : "=m" (*addr) : "r" (val)); +} + +static inline void sync(void) +{ + asm volatile("sync" : : : "memory"); +} + +static inline void eieio(void) +{ + asm volatile("eieio" : : : "memory"); +} + +static inline void barrier(void) +{ + asm volatile("" : : : "memory"); +} + +#endif /* _IO_H */ |
