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Commit 441ee341 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[MIPS] Fix RM9000 wait instruction detection. 



Only revisions < 4.0 don't have a functional wait instruction.

From Thomas Koeller (Thomas.Koeller@baslerweb.com).

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 81e859ac

arch/mips/kernel/cpu-probe.c

+8 −1
Original line number Diff line number Diff line
@@ -135,7 +135,6 @@ static inline void check_wait(void) 
	case CPU_R5000:

	case CPU_NEVADA:

	case CPU_RM7000:

	case CPU_RM9000:

	case CPU_4KC:

	case CPU_4KEC:

	case CPU_4KSC:
@@ -164,6 +163,14 @@ static inline void check_wait(void) 
		} else

			printk(" unavailable.\n");

		break;

	case CPU_RM9000:

		if ((c->processor_id & 0x00ff) >= 0x40) {

			cpu_wait = r4k_wait;

			printk(" available.\n");

		} else {

			printk(" unavailable.\n");

		}

		break;

	default:

		printk(" unavailable.\n");

		break;