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path: root/drivers/acpi/processor_throttling.c
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Diffstat (limited to 'drivers/acpi/processor_throttling.c')
-rw-r--r--drivers/acpi/processor_throttling.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index ae39797aab5..4c6c14c1e30 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -41,6 +41,8 @@
#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
+#define PREFIX "ACPI: "
+
#define ACPI_PROCESSOR_CLASS "processor"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_throttling");
@@ -75,7 +77,7 @@ static int acpi_processor_update_tsd_coord(void)
struct acpi_tsd_package *pdomain, *match_pdomain;
struct acpi_processor_throttling *pthrottling, *match_pthrottling;
- if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
+ if (!zalloc_cpumask_var(&covered_cpus, GFP_KERNEL))
return -ENOMEM;
/*
@@ -103,7 +105,6 @@ static int acpi_processor_update_tsd_coord(void)
if (retval)
goto err_ret;
- cpumask_clear(covered_cpus);
for_each_possible_cpu(i) {
pr = per_cpu(processors, i);
if (!pr)
@@ -1216,7 +1217,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
}
/* proc interface */
-
+#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_throttling_seq_show(struct seq_file *seq,
void *offset)
{
@@ -1324,3 +1325,4 @@ const struct file_operations acpi_processor_throttling_fops = {
.llseek = seq_lseek,
.release = single_release,
};
+#endif