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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-08 14:56:19 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-08 14:56:19 +0900
commit18d4ed4342c14ebeebe60d267b171053efcdfa87 (patch)
treef315e77f66cbb70869e2f80cde5c18380a80901e /arch/s390/oprofile/init.c
parent722d0daf2b607a32dad1357bf797e3803484af0a (diff)
parent22de4534ae12d61257fc0e53d2571686b03305bc (diff)
Merge branch 'for-3.1' into for-3.2
Conflict due to the fix for the register map failure - taken the for-3.1 version. Conflicts: sound/soc/codecs/sgtl5000.c
Diffstat (limited to 'arch/s390/oprofile/init.c')
-rw-r--r--arch/s390/oprofile/init.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
index 5995e9bc72d..6efc18b5e60 100644
--- a/arch/s390/oprofile/init.c
+++ b/arch/s390/oprofile/init.c
@@ -13,8 +13,6 @@
#include <linux/oprofile.h>
#include <linux/init.h>
#include <linux/errno.h>
-#include <linux/oprofile.h>
-#include <linux/errno.h>
#include <linux/fs.h>
#include "../../../drivers/oprofile/oprof.h"
@@ -25,7 +23,7 @@ extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth);
#include "hwsampler.h"
-#define DEFAULT_INTERVAL 4096
+#define DEFAULT_INTERVAL 4127518
#define DEFAULT_SDBT_BLOCKS 1
#define DEFAULT_SDB_BLOCKS 511
@@ -151,6 +149,12 @@ static int oprofile_hwsampler_init(struct oprofile_operations *ops)
if (oprofile_max_interval == 0)
return -ENODEV;
+ /* The initial value should be sane */
+ if (oprofile_hw_interval < oprofile_min_interval)
+ oprofile_hw_interval = oprofile_min_interval;
+ if (oprofile_hw_interval > oprofile_max_interval)
+ oprofile_hw_interval = oprofile_max_interval;
+
if (oprofile_timer_init(ops))
return -ENODEV;