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authorNaga Chumbalkar <nagananda.chumbalkar@hp.com>2011-02-02 23:26:58 +0000
committerLen Brown <len.brown@intel.com>2011-03-23 01:34:15 -0400
commit32297abd90a5d181e8e026c8b8e65ef41e9ffc07 (patch)
treebab8d21b47e264f7a08da3babf36fbef03c95530 /drivers/acpi
parentaf10f941ab7807d8b0bb3c66e679d8a6bbbe7485 (diff)
downloadlinux-32297abd90a5d181e8e026c8b8e65ef41e9ffc07.tar.gz
ACPI: make acpi_pad /sys output more readable
Make /sys output from acpi_pad more readable.

Before the fix:
# cat idlecpus idlepct rrtime
00000000510

After the fix:
# cat idlecpus idlepct rrtime
00000000
5
10

Signed-off-by: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpi_pad.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 6afceb3d4034..474be3a198ed 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -298,7 +298,7 @@ static ssize_t acpi_pad_rrtime_store(struct device *dev,
 static ssize_t acpi_pad_rrtime_show(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
-	return scnprintf(buf, PAGE_SIZE, "%d", round_robin_time);
+	return scnprintf(buf, PAGE_SIZE, "%d\n", round_robin_time);
 }
 static DEVICE_ATTR(rrtime, S_IRUGO|S_IWUSR,
 	acpi_pad_rrtime_show,
@@ -321,7 +321,7 @@ static ssize_t acpi_pad_idlepct_store(struct device *dev,
 static ssize_t acpi_pad_idlepct_show(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
-	return scnprintf(buf, PAGE_SIZE, "%d", idle_pct);
+	return scnprintf(buf, PAGE_SIZE, "%d\n", idle_pct);
 }
 static DEVICE_ATTR(idlepct, S_IRUGO|S_IWUSR,
 	acpi_pad_idlepct_show,
@@ -342,8 +342,11 @@ static ssize_t acpi_pad_idlecpus_store(struct device *dev,
 static ssize_t acpi_pad_idlecpus_show(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
-	return cpumask_scnprintf(buf, PAGE_SIZE,
-		to_cpumask(pad_busy_cpus_bits));
+	int n = 0;
+	n = cpumask_scnprintf(buf, PAGE_SIZE-2, to_cpumask(pad_busy_cpus_bits));
+	buf[n++] = '\n';
+	buf[n] = '\0';
+	return n;
 }
 static DEVICE_ATTR(idlecpus, S_IRUGO|S_IWUSR,
 	acpi_pad_idlecpus_show,