Commit fc52f92a authored by Paul Cercueil's avatar Paul Cercueil Committed by Thomas Bogendoerfer
Browse files

MIPS: cpu-probe: Fix FPU detection on Ingenic JZ4760(B) 



Ingenic JZ4760 and JZ4760B do have a FPU, but the config registers don't
report it. Force the FPU detection in case the processor ID match the
JZ4760(B) one.

Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent f92a05b9

arch/mips/kernel/cpu-probe.c

+5 −0
Original line number Diff line number Diff line
@@ -1840,6 +1840,11 @@ static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu) 
		 */

		case PRID_COMP_INGENIC_D0:

			c->isa_level &= ~MIPS_CPU_ISA_M32R2;



			/* FPU is not properly detected on JZ4760(B). */

			if (c->processor_id == 0x2ed0024f)

				c->options |= MIPS_CPU_FPU;



			fallthrough;



		/*