From 3478ba9969dae8e1537ad9b74d7bc01d9087d0cd Mon Sep 17 00:00:00 2001 From: James Hogan Date: Wed, 22 Nov 2017 11:30:31 +0000 Subject: MIPS: XPA: Allow use of $0 (zero) to MTHC0 Tweak __writex_32bit_c0_register() to allow the compiler to use $0 (the zero register) as an input to the mthc0 instruction. Signed-off-by: James Hogan Cc: Ralf Baechle Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/17774/ --- arch/mips/include/asm/mipsregs.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/mips/include/asm/mipsregs.h') diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index f336846fb415..b1dedd5935a1 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1537,10 +1537,10 @@ do { \ " .set push \n" \ " .set mips32r2 \n" \ _ASM_SET_XPA \ - " mthc0 %0, $%1 \n" \ + " mthc0 %z0, $%1 \n" \ " .set pop \n" \ : \ - : "r" (value), "i" (register)); \ + : "Jr" (value), "i" (register)); \ } while (0) #define read_c0_index() __read_32bit_c0_register($0, 0) -- cgit v1.2.3