kernel_optimize_test/include/linux/unaligned/le_byteshift.h
Bart Van Assche 19f747f737 scsi: linux/unaligned/byteshift.h: Remove superfluous casts
The C language supports implicitly casting a void pointer into a non-void
pointer. Remove explicit void pointer to non-void pointer casts because
these are superfluous.

Link: https://lore.kernel.org/r/20200313203102.16613-2-bvanassche@acm.org
Cc: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-16 22:08:32 -04:00

72 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_UNALIGNED_LE_BYTESHIFT_H
#define _LINUX_UNALIGNED_LE_BYTESHIFT_H
#include <linux/types.h>
static inline u16 __get_unaligned_le16(const u8 *p)
{
return p[0] | p[1] << 8;
}
static inline u32 __get_unaligned_le32(const u8 *p)
{
return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24;
}
static inline u64 __get_unaligned_le64(const u8 *p)
{
return (u64)__get_unaligned_le32(p + 4) << 32 |
__get_unaligned_le32(p);
}
static inline void __put_unaligned_le16(u16 val, u8 *p)
{
*p++ = val;
*p++ = val >> 8;
}
static inline void __put_unaligned_le32(u32 val, u8 *p)
{
__put_unaligned_le16(val >> 16, p + 2);
__put_unaligned_le16(val, p);
}
static inline void __put_unaligned_le64(u64 val, u8 *p)
{
__put_unaligned_le32(val >> 32, p + 4);
__put_unaligned_le32(val, p);
}
static inline u16 get_unaligned_le16(const void *p)
{
return __get_unaligned_le16(p);
}
static inline u32 get_unaligned_le32(const void *p)
{
return __get_unaligned_le32(p);
}
static inline u64 get_unaligned_le64(const void *p)
{
return __get_unaligned_le64(p);
}
static inline void put_unaligned_le16(u16 val, void *p)
{
__put_unaligned_le16(val, p);
}
static inline void put_unaligned_le32(u32 val, void *p)
{
__put_unaligned_le32(val, p);
}
static inline void put_unaligned_le64(u64 val, void *p)
{
__put_unaligned_le64(val, p);
}
#endif /* _LINUX_UNALIGNED_LE_BYTESHIFT_H */