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| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2023-01-09 15:11:52 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-11 23:02:58 +0900 |
| commit | 88b9e97c1447830039924e989f9c5db6fdca7715 (patch) | |
| tree | 1ddbcaae620f9872f4186bf2dc3ddce9c7552a6d /include/asm-generic | |
| parent | 5ded8299b7de1d4d3d9b6de349b340c3868216ff (diff) | |
| download | linux-88b9e97c1447830039924e989f9c5db6fdca7715.tar.gz | |
asm-generic/io.h: suppress endianness warnings for readq() and writeq()
[ Upstream commit d564fa1ff19e893e2971d66e5c8f49dc1cdc8ffc ]
Commit c1d55d50139b ("asm-generic/io.h: Fix sparse warnings on
big-endian architectures") missed fixing the 64-bit accessors.
Arnd explains in the attached link why the casts are necessary, even if
__raw_readq() and __raw_writeq() do not take endian-specific types.
Link: https://lore.kernel.org/lkml/9105d6fc-880b-4734-857d-e3d30b87ccf6@app.fastmail.com/
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/io.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index a68f8fbf423b..cde032f86856 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -236,7 +236,7 @@ static inline u64 readq(const volatile void __iomem *addr) log_read_mmio(64, addr, _THIS_IP_); __io_br(); - val = __le64_to_cpu(__raw_readq(addr)); + val = __le64_to_cpu((__le64 __force)__raw_readq(addr)); __io_ar(val); log_post_read_mmio(val, 64, addr, _THIS_IP_); return val; @@ -287,7 +287,7 @@ static inline void writeq(u64 value, volatile void __iomem *addr) { log_write_mmio(value, 64, addr, _THIS_IP_); __io_bw(); - __raw_writeq(__cpu_to_le64(value), addr); + __raw_writeq((u64 __force)__cpu_to_le64(value), addr); __io_aw(); log_post_write_mmio(value, 64, addr, _THIS_IP_); } |