Commit 05d3855b authored by Vladimir Oltean's avatar Vladimir Oltean Committed by Arnd Bergmann
Browse files

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



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: default avatarVladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent d564fa1f

include/asm-generic/io.h

+6 −6
Original line number Diff line number Diff line
@@ -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