MIPS: spinlock: Adjust arch_spin_lock back-off time

Make it similar to the trylock and R10000_LLSC_WAR cases.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9789/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h
index 7c7f3b2..9de4ba4 100644 (file)
--- a/arch/mips/include/asm/spinlock.h
+++ b/arch/mips/include/asm/spinlock.h
@@ -109,7 +109,7 @@ static inline void arch_spin_lock(arch_spinlock_t *lock)
                "        subu   %[ticket], %[my_ticket], %[ticket]      \n"
                "2:                                                     \n"
                "       .subsection 2                                   \n"
-               "4:     andi    %[ticket], %[ticket], 0x1fff            \n"
+               "4:     andi    %[ticket], %[ticket], 0xffff            \n"
                "       sll     %[ticket], 5                            \n"
                "                                                       \n"
                "6:     bnez    %[ticket], 6b                           \n"