Silence the following two warnings when make W=1: CC arch/mips/lib/bswapsi.o arch/mips/lib/bswapsi.c:5:22: warning: no previous prototype for '__bswapsi2' [-Wmissing-prototypes] unsigned int notrace __bswapsi2(unsigned int u) ^~~~~~~~~~ CC arch/mips/lib/bswapdi.o arch/mips/lib/bswapdi.c:5:28: warning: no previous prototype for '__bswapdi2' [-Wmissing-prototypes] unsigned long long notrace __bswapdi2(unsigned long long u) ^~~~~~~~~~ AR arch/mips/lib/built-in.a Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> --- arch/mips/lib/bswapdi.c | 4 +++- arch/mips/lib/bswapsi.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/mips/lib/bswapdi.c b/arch/mips/lib/bswapdi.c index fcef7408..1d020e1 100644 --- a/arch/mips/lib/bswapdi.c +++ b/arch/mips/lib/bswapdi.c @@ -2,6 +2,9 @@ #include <linux/export.h> #include <linux/compiler.h> +/* To silence -Wmissing-prototypes. */ +unsigned long long __bswapdi2(unsigned long long u); + unsigned long long notrace __bswapdi2(unsigned long long u) { return (((u) & 0xff00000000000000ull) >> 56) | @@ -13,5 +16,4 @@ unsigned long long notrace __bswapdi2(unsigned long long u) (((u) & 0x000000000000ff00ull) << 40) | (((u) & 0x00000000000000ffull) << 56); } - EXPORT_SYMBOL(__bswapdi2); diff --git a/arch/mips/lib/bswapsi.c b/arch/mips/lib/bswapsi.c index 22d8e4f..02d9df4 100644 --- a/arch/mips/lib/bswapsi.c +++ b/arch/mips/lib/bswapsi.c @@ -2,6 +2,9 @@ #include <linux/export.h> #include <linux/compiler.h> +/* To silence -Wmissing-prototypes. */ +unsigned int __bswapsi2(unsigned int u); + unsigned int notrace __bswapsi2(unsigned int u) { return (((u) & 0xff000000) >> 24) | @@ -9,5 +12,4 @@ unsigned int notrace __bswapsi2(unsigned int u) (((u) & 0x0000ff00) << 8) | (((u) & 0x000000ff) << 24); } - EXPORT_SYMBOL(__bswapsi2); -- 2.1.0