MIPS: mark R4K clockevent device with CLOCK_EVT_FEAT_PERCPU
authorPaul Burton <paul.burton@imgtec.com>
Tue, 15 Apr 2014 11:05:24 +0000 (12:05 +0100)
committerPaul Burton <paul.burton@imgtec.com>
Fri, 2 May 2014 15:39:12 +0000 (16:39 +0100)
The CLOCK_EVT_FEAT_PERCPU flag indicates that a clockevent device is
only configurable by the CPU for which it is registered, and thus cannot
be used as the tick broadcast device. That property is true of the R4K
timer, which is inaccessible from other cores.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
arch/mips/kernel/cevt-r4k.c

index 7820d5d3d4751f24475d00bdf821560bd1366679..f3c549c4b75e4064a283a4504e82b409688db6e5 100644 (file)
@@ -196,7 +196,8 @@ int r4k_clockevent_init(void)
 
        cd->name                = "MIPS";
        cd->features            = CLOCK_EVT_FEAT_ONESHOT |
-                                 CLOCK_EVT_FEAT_C3STOP;
+                                 CLOCK_EVT_FEAT_C3STOP |
+                                 CLOCK_EVT_FEAT_PERCPU;
 
        clockevent_set_clock(cd, mips_hpt_frequency);