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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-11 11:18:45 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-11 11:18:45 -0200 |
| commit | 9374020a78fce13a1cf2edf3d26f6dd7231b5c3d (patch) | |
| tree | 50c8629e6c6222c5b9681506b52afbde818c5e56 /arch/sh/include/uapi/asm/swab.h | |
| parent | d2a0db1ee01aea154ccc460e45a16857e32c4427 (diff) | |
| parent | 29594404d7fe73cd80eaa4ee8c43dcc53970c60e (diff) | |
Merge tag 'v3.7' into v4l_for_linus
Linux 3.7
* tag 'v3.7': (1545 commits)
Linux 3.7
Input: matrix-keymap - provide proper module license
Revert "revert "Revert "mm: remove __GFP_NO_KSWAPD""" and associated damage
ipv4: ip_check_defrag must not modify skb before unsharing
Revert "mm: avoid waking kswapd for THP allocations when compaction is deferred or contended"
inet_diag: validate port comparison byte code to prevent unsafe reads
inet_diag: avoid unsafe and nonsensical prefix matches in inet_diag_bc_run()
inet_diag: validate byte code to prevent oops in inet_diag_bc_run()
inet_diag: fix oops for IPv4 AF_INET6 TCP SYN-RECV state
mm: vmscan: fix inappropriate zone congestion clearing
vfs: fix O_DIRECT read past end of block device
net: gro: fix possible panic in skb_gro_receive()
tcp: bug fix Fast Open client retransmission
tmpfs: fix shared mempolicy leak
mm: vmscan: do not keep kswapd looping forever due to individual uncompactable zones
mm: compaction: validate pfn range passed to isolate_freepages_block
mmc: sh-mmcif: avoid oops on spurious interrupts (second try)
Revert misapplied "mmc: sh-mmcif: avoid oops on spurious interrupts"
mmc: sdhci-s3c: fix missing clock for gpio card-detect
lib/Makefile: Fix oid_registry build dependency
...
Diffstat (limited to 'arch/sh/include/uapi/asm/swab.h')
| -rw-r--r-- | arch/sh/include/uapi/asm/swab.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/sh/include/uapi/asm/swab.h b/arch/sh/include/uapi/asm/swab.h new file mode 100644 index 00000000000..1cd09767a7a --- /dev/null +++ b/arch/sh/include/uapi/asm/swab.h @@ -0,0 +1,59 @@ +#ifndef __ASM_SH_SWAB_H +#define __ASM_SH_SWAB_H + +/* + * Copyright (C) 1999 Niibe Yutaka + * Copyright (C) 2000, 2001 Paolo Alberelli + */ +#include <linux/compiler.h> +#include <linux/types.h> +#include <asm-generic/swab.h> + +static inline __attribute_const__ __u32 __arch_swab32(__u32 x) +{ + __asm__( +#ifdef __SH5__ + "byterev %1, %0\n\t" + "shari %0, 32, %0" +#else + "swap.b %1, %0\n\t" + "swap.w %0, %0\n\t" + "swap.b %0, %0" +#endif + : "=r" (x) + : "r" (x)); + + return x; +} +#define __arch_swab32 __arch_swab32 + +static inline __attribute_const__ __u16 __arch_swab16(__u16 x) +{ + __asm__( +#ifdef __SH5__ + "byterev %1, %0\n\t" + "shari %0, 32, %0" +#else + "swap.b %1, %0" +#endif + : "=r" (x) + : "r" (x)); + + return x; +} +#define __arch_swab16 __arch_swab16 + +static inline __u64 __arch_swab64(__u64 val) +{ + union { + struct { __u32 a,b; } s; + __u64 u; + } v, w; + v.u = val; + w.s.b = __arch_swab32(v.s.a); + w.s.a = __arch_swab32(v.s.b); + return w.u; +} +#define __arch_swab64 __arch_swab64 + +#endif /* __ASM_SH_SWAB_H */ |
