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ARM: keystone2: Convert BOOT_READ_BITFIELD into static inline function

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BOOT_READ_BITFIELD can easily be a static inline function and be a
little more readable with the same functionality.

Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Nishanth Menon 2016-03-15 10:25:52 -05:00 committed by Tom Rini
parent bc69b505f0
commit f84e8e5b29
1 changed files with 15 additions and 10 deletions
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25
arch/arm/mach-keystone/include/mach/psc_defs.h
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@ -34,7 +34,12 @@ static inline u32 _boot_bit_mask(u32 x, u32 y)
return val << y; return val << y;
} }
#define BOOT_READ_BITFIELD(z, x, y) ((((u32)z) & _boot_bit_mask(x, y)) >> (y)) static inline u32 boot_read_bitfield(u32 z, u32 x, u32 y)
{
u32 val = z & _boot_bit_mask(x, y);
return val >> y;
}
#define BOOT_SET_BITFIELD(z, f, x, y) ((((u32)z) & ~_boot_bit_mask(x, y)) | \ #define BOOT_SET_BITFIELD(z, f, x, y) ((((u32)z) & ~_boot_bit_mask(x, y)) | \
((((u32)f) << (y)) & _boot_bit_mask(x, y))) ((((u32)f) << (y)) & _boot_bit_mask(x, y)))
@ -43,25 +48,25 @@ static inline u32 _boot_bit_mask(u32 x, u32 y)
#define PSC_REG_PDCTL_SET_PDMODE(x, y) BOOT_SET_BITFIELD((x), (y), 15, 12) #define PSC_REG_PDCTL_SET_PDMODE(x, y) BOOT_SET_BITFIELD((x), (y), 15, 12)
/* PDSTAT */ /* PDSTAT */
#define PSC_REG_PDSTAT_GET_STATE(x) BOOT_READ_BITFIELD((x), 4, 0) #define PSC_REG_PDSTAT_GET_STATE(x) boot_read_bitfield((x), 4, 0)
/* MDCFG */ /* MDCFG */
#define PSC_REG_MDCFG_GET_PD(x) BOOT_READ_BITFIELD((x), 20, 16) #define PSC_REG_MDCFG_GET_PD(x) boot_read_bitfield((x), 20, 16)
#define PSC_REG_MDCFG_GET_RESET_ISO(x) BOOT_READ_BITFIELD((x), 14, 14) #define PSC_REG_MDCFG_GET_RESET_ISO(x) boot_read_bitfield((x), 14, 14)
/* MDCTL */ /* MDCTL */
#define PSC_REG_MDCTL_SET_NEXT(x, y) BOOT_SET_BITFIELD((x), (y), 4, 0) #define PSC_REG_MDCTL_SET_NEXT(x, y) BOOT_SET_BITFIELD((x), (y), 4, 0)
#define PSC_REG_MDCTL_SET_LRSTZ(x, y) BOOT_SET_BITFIELD((x), (y), 8, 8) #define PSC_REG_MDCTL_SET_LRSTZ(x, y) BOOT_SET_BITFIELD((x), (y), 8, 8)
#define PSC_REG_MDCTL_GET_LRSTZ(x) BOOT_READ_BITFIELD((x), 8, 8) #define PSC_REG_MDCTL_GET_LRSTZ(x) boot_read_bitfield((x), 8, 8)
#define PSC_REG_MDCTL_SET_RESET_ISO(x, y) BOOT_SET_BITFIELD((x), (y), \ #define PSC_REG_MDCTL_SET_RESET_ISO(x, y) BOOT_SET_BITFIELD((x), (y), \
12, 12) 12, 12)
/* MDSTAT */ /* MDSTAT */
#define PSC_REG_MDSTAT_GET_STATUS(x) BOOT_READ_BITFIELD((x), 5, 0) #define PSC_REG_MDSTAT_GET_STATUS(x) boot_read_bitfield((x), 5, 0)
#define PSC_REG_MDSTAT_GET_LRSTZ(x) BOOT_READ_BITFIELD((x), 8, 8) #define PSC_REG_MDSTAT_GET_LRSTZ(x) boot_read_bitfield((x), 8, 8)
#define PSC_REG_MDSTAT_GET_LRSTDONE(x) BOOT_READ_BITFIELD((x), 9, 9) #define PSC_REG_MDSTAT_GET_LRSTDONE(x) boot_read_bitfield((x), 9, 9)
#define PSC_REG_MDSTAT_GET_MRSTZ(x) BOOT_READ_BITFIELD((x), 10, 10) #define PSC_REG_MDSTAT_GET_MRSTZ(x) boot_read_bitfield((x), 10, 10)
#define PSC_REG_MDSTAT_GET_MRSTDONE(x) BOOT_READ_BITFIELD((x), 11, 11) #define PSC_REG_MDSTAT_GET_MRSTDONE(x) boot_read_bitfield((x), 11, 11)
/* PDCTL states */ /* PDCTL states */
#define PSC_REG_VAL_PDCTL_NEXT_ON 1 #define PSC_REG_VAL_PDCTL_NEXT_ON 1