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authorLen Brown <len.brown@intel.com>2009-04-22 19:28:15 -0400
committerLen Brown <len.brown@intel.com>2009-04-22 19:56:09 -0400
commit92614610774072ea68131f16e024ee8fc15be9be (patch)
treee0e7d25f3b01edb5f1fd1c38db428bd609dea4d9 /drivers/acpi
parenta71e4917dc0ebbcb5a0ecb7ca3486643c1c9a6e2 (diff)
downloadlinux-92614610774072ea68131f16e024ee8fc15be9be.tar.gz
ACPI: delete obsolete "bus master activity" proc field
Linux-2.6.29 deleted the legacy ACPI idle handler, leaving
the CPU_IDLE handler, which does not track bus master activity.

So delete the unused bm_activity field -- it is confusing to
print an always zero value.

This patch could break programs that parse
/proc/acpi/processor/*/power, since it deletes this
line from that file:

bus master activity:     00000000

http://bugzilla.kernel.org/show_bug.cgi?id=13145
is not fixed by this patch, but provoked this patch.

Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/processor_idle.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 9d1f01ee65db..eed3b458ebac 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -662,11 +662,9 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
 
 	seq_printf(seq, "active state:            C%zd\n"
 		   "max_cstate:              C%d\n"
-		   "bus master activity:     %08x\n"
 		   "maximum allowed latency: %d usec\n",
 		   pr->power.state ? pr->power.state - pr->power.states : 0,
-		   max_cstate, (unsigned)pr->power.bm_activity,
-		   pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY));
+		   max_cstate, pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY));
 
 	seq_puts(seq, "states:\n");