next-20150925/battery

[karo-tx-linux.git] / arch / mips / kernel / idle.c

diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c
index ab1478d5a4db1b247caa94527925da0d005adf10..3e2b0b6c3b08a03d2aa56025c1427befd376a48a 100644 (file)
--- a/arch/mips/kernel/idle.c
+++ b/arch/mips/kernel/idle.c
@@ -134,6 +134,16 @@ void __init check_wait(void)
                return;
        }
 
+       /*
+        * MIPSr6 specifies that masked interrupts should unblock an executing
+        * wait instruction, and thus that it is safe for us to use
+        * r4k_wait_irqoff. Yippee!
+        */
+       if (cpu_has_mips_r6) {
+               cpu_wait = r4k_wait_irqoff;
+               return;
+       }
+
        switch (current_cpu_type()) {
        case CPU_R3081:
        case CPU_R3081E:
@@ -196,7 +206,6 @@ void __init check_wait(void)
        case CPU_INTERAPTIV:
        case CPU_M5150:
        case CPU_QEMU_GENERIC:
-       case CPU_I6400:
                cpu_wait = r4k_wait;
                if (read_c0_config7() & MIPS_CONF7_WII)
                        cpu_wait = r4k_wait_irqoff;