MIPS: Don't use RI/XI with 32-bit kernels on 64-bit CPUs

The TLB handlers cannot handle this case, so disable it for now.

Signed-off-by: David Daney <[e-mail]>
Signed-off-by: Andreas Herrmann <[e-mail]>
Cc: [e-mail]
Cc: James Hogan <[e-mail]>
Cc: [e-mail]
Patchwork: https://patchwork.linux-mips.org/patch/7007/
Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/include/asm/cpu-features.h

···
 #ifndef cpu_has_smartmips
 #define cpu_has_smartmips	(cpu_data[0].ases & MIPS_ASE_SMARTMIPS)
 #endif
+
 #ifndef cpu_has_rixi
-#define cpu_has_rixi		(cpu_data[0].options & MIPS_CPU_RIXI)
+# ifdef CONFIG_64BIT
+# define cpu_has_rixi		(cpu_data[0].options & MIPS_CPU_RIXI)
+# else /* CONFIG_32BIT */
+# define cpu_has_rixi		((cpu_data[0].options & MIPS_CPU_RIXI) && !cpu_has_64bits)
+# endif
 #endif
+
 #ifndef cpu_has_mmips
 # ifdef CONFIG_SYS_SUPPORTS_MICROMIPS
 #  define cpu_has_mmips		(cpu_data[0].options & MIPS_CPU_MICROMIPS)
···
 #  define cpu_has_mmips		0
 # endif
 #endif
+
 #ifndef cpu_has_vtag_icache
 #define cpu_has_vtag_icache	(cpu_data[0].icache.flags & MIPS_CACHE_VTAG)
 #endif