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asm-generic/io.h: suppress endianness warnings for relaxed accessors 

[ Upstream commit 05d3855b4d ]

Copy the forced type casts from the normal MMIO accessors to suppress
the sparse warnings that point out __raw_readl() returns a native endian
word (just like readl()).

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vladimir Oltean 2023-01-09 15:11:53 +02:00 committed by Greg Kroah-Hartman
parent 5ab97c3caa
commit afd5c97cdd
1 changed files with 6 additions and 6 deletions
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12
include/asm-generic/io.h
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@ -319,7 +319,7 @@ static inline u16 readw_relaxed(const volatile void __iomem *addr)
u16 val;
log_read_mmio(16, addr, _THIS_IP_, _RET_IP_);
val = __le16_to_cpu(__raw_readw(addr));
val = __le16_to_cpu((__le16 __force)__raw_readw(addr));
log_post_read_mmio(val, 16, addr, _THIS_IP_, _RET_IP_);
return val;
}
@ -332,7 +332,7 @@ static inline u32 readl_relaxed(const volatile void __iomem *addr)
u32 val;
log_read_mmio(32, addr, _THIS_IP_, _RET_IP_);
val = __le32_to_cpu(__raw_readl(addr));
val = __le32_to_cpu((__le32 __force)__raw_readl(addr));
log_post_read_mmio(val, 32, addr, _THIS_IP_, _RET_IP_);
return val;
}
@ -345,7 +345,7 @@ static inline u64 readq_relaxed(const volatile void __iomem *addr)
u64 val;
log_read_mmio(64, addr, _THIS_IP_, _RET_IP_);
val = __le64_to_cpu(__raw_readq(addr));
val = __le64_to_cpu((__le64 __force)__raw_readq(addr));
log_post_read_mmio(val, 64, addr, _THIS_IP_, _RET_IP_);
return val;
}
@ -366,7 +366,7 @@ static inline void writeb_relaxed(u8 value, volatile void __iomem *addr)
static inline void writew_relaxed(u16 value, volatile void __iomem *addr)
{
log_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_);
__raw_writew(cpu_to_le16(value), addr);
__raw_writew((u16 __force)cpu_to_le16(value), addr);
log_post_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_);
}
#endif
@ -376,7 +376,7 @@ static inline void writew_relaxed(u16 value, volatile void __iomem *addr)
static inline void writel_relaxed(u32 value, volatile void __iomem *addr)
{
log_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_);
__raw_writel(__cpu_to_le32(value), addr);
__raw_writel((u32 __force)__cpu_to_le32(value), addr);
log_post_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_);
}
#endif
@ -386,7 +386,7 @@ static inline void writel_relaxed(u32 value, volatile void __iomem *addr)
static inline void writeq_relaxed(u64 value, volatile void __iomem *addr)
{
log_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_);
__raw_writeq(__cpu_to_le64(value), addr);
__raw_writeq((u64 __force)__cpu_to_le64(value), addr);
log_post_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_);
}
#endif