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| author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-02-17 17:51:57 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-20 14:11:01 -0800 |
| commit | 882d5e112491c875ab7c8c336b8beaeec54d0509 (patch) | |
| tree | 3c472c4b7e82eae08f5c38e099f39c5b58bf1863 /drivers/hwtracing/coresight/coresight-etm4x.c | |
| parent | 2127154d115d4fe8f18300e5ef6f566581359d56 (diff) | |
| download | talos-obmc-linux-882d5e112491c875ab7c8c336b8beaeec54d0509.tar.gz talos-obmc-linux-882d5e112491c875ab7c8c336b8beaeec54d0509.zip | |
coresight: etm3x: implementing perf_enable/disable() API
That way traces can be enabled and disabled automatically
from the Perf subystem using the PMU abstraction.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm4x.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 0026092fec7f..d0169ba7fbf2 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -32,6 +32,7 @@ #include <linux/seq_file.h> #include <linux/uaccess.h> #include <linux/pm_runtime.h> +#include <linux/perf_event.h> #include <asm/sections.h> #include "coresight-etm4x.h" @@ -187,7 +188,8 @@ static void etm4_enable_hw(void *info) dev_dbg(drvdata->dev, "cpu: %d enable smp call done\n", drvdata->cpu); } -static int etm4_enable(struct coresight_device *csdev, u32 mode) +static int etm4_enable(struct coresight_device *csdev, + struct perf_event_attr *attr, u32 mode) { struct etmv4_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); int ret; |
