[PATCH] MIPS: IP22: Fix build error in IP22 cache code

From: Matt Redfearn
Date: Fri Oct 14 2016 - 06:20:27 EST

Recent MIPS toolchains complain about the use of an immediate larger
than 32bits when compiling a 32bit kernel, leading to the following
build failure:
{standard input}: Assembler messages:
{standard input}:131: Error: number (0x9000000080000000) larger than 32
{standard input}:154: Error: number (0x9000000080000000) larger than 32
{standard input}:191: Error: number (0x9000000080000000) larger than 32

Fix this by specifying registers are 64bit via the .set gp=64 directive.

Since IP22 is the default MIPS machine, this is causing allnoconfig
build failures.

Fixes: 1da177e4c3f4
Signed-off-by: Matt Redfearn <matt.redfearn@xxxxxxxxxx>

Cc: stable@xxxxxxxxxxxxxxx

arch/mips/mm/sc-ip22.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/mips/mm/sc-ip22.c b/arch/mips/mm/sc-ip22.c
index 026cb59a914d..6551ca37d308 100644
--- a/arch/mips/mm/sc-ip22.c
+++ b/arch/mips/mm/sc-ip22.c
@@ -35,6 +35,7 @@ static inline void indy_sc_wipe(unsigned long first, unsigned long last)
+ ".set\tgp=64\n\t"
"mfc0\t%2, $12\n\t"
"li\t$1, 0x80\t\t\t# Go 64 bit\n\t"
"mtc0\t$1, $12\n\t"