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coresight: tmc: mark symbols static where possible

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We get a few warnings when building kernel with W=1:
drivers/hwtracing/coresight/coresight-tmc-etr.c:23:6: warning: no previous prototype for 'tmc_etr_enable_hw' [-Wmissing-prototypes]
drivers/hwtracing/coresight/coresight-tmc-etf.c:25:6: warning: no previous prototype for 'tmc_etb_enable_hw' [-Wmissing-prototypes]
drivers/hwtracing/coresight/coresight-tmc.c:250:9: warning: no previous prototype for ‘trigger_cntr_show’ [-Wmissing-prototypes]
...

In fact, these functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
so this patch marks these functions with 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Baoyou Xie 2016-09-08 16:50:39 -06:00 committed by Greg Kroah-Hartman
parent 8e67cdbc2f
commit 0ef7528d15
3 changed files with 4 additions and 4 deletions
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2
drivers/hwtracing/coresight/coresight-tmc-etf.c
View File

@ -22,7 +22,7 @@
#include "coresight-priv.h"
#include "coresight-tmc.h"
void tmc_etb_enable_hw(struct tmc_drvdata *drvdata)
static void tmc_etb_enable_hw(struct tmc_drvdata *drvdata)
{
CS_UNLOCK(drvdata->base);

2
drivers/hwtracing/coresight/coresight-tmc-etr.c
View File

@ -20,7 +20,7 @@
#include "coresight-priv.h"
#include "coresight-tmc.h"
void tmc_etr_enable_hw(struct tmc_drvdata *drvdata)
static void tmc_etr_enable_hw(struct tmc_drvdata *drvdata)
{
u32 axictl;

4
drivers/hwtracing/coresight/coresight-tmc.c
View File

@ -247,8 +247,8 @@ static struct attribute *coresight_tmc_mgmt_attrs[] = {
NULL,
};
ssize_t trigger_cntr_show(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t trigger_cntr_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct tmc_drvdata *drvdata = dev_get_drvdata(dev->parent);
unsigned long val = drvdata->trigger_cntr;