The "config:" string construction in format_attr_contextid_show() can be
removed because it either showed the existing context1 or context2
formats which have already been generated, so can be called themselves.
The other conversions are straightforward replacements.
Signed-off-by: James Clark <james.clark@linaro.org>
---
drivers/hwtracing/coresight/coresight-etm-perf.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c
index bf4b105e0f41..3c8a6f795094 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -77,10 +77,9 @@ static ssize_t format_attr_contextid_show(struct device *dev,
struct device_attribute *attr,
char *page)
{
- int pid_fmt = ETM_OPT_CTXTID;
-
- pid_fmt = is_kernel_in_hyp_mode() ? ETM_OPT_CTXTID2 : ETM_OPT_CTXTID;
- return sprintf(page, "config:%d\n", pid_fmt);
+ if (is_kernel_in_hyp_mode())
+ return contextid2_show(dev, attr, page);
+ return contextid1_show(dev, attr, page);
}
static struct device_attribute format_attr_contextid =
@@ -319,7 +318,7 @@ static bool sinks_compatible(struct coresight_device *a,
static void *etm_setup_aux(struct perf_event *event, void **pages,
int nr_pages, bool overwrite)
{
- u32 id, cfg_hash;
+ u32 sink_hash, cfg_hash;
int cpu = event->cpu;
cpumask_t *mask;
struct coresight_device *sink = NULL;
@@ -332,13 +331,12 @@ static void *etm_setup_aux(struct perf_event *event, void **pages,
INIT_WORK(&event_data->work, free_event_data);
/* First get the selected sink from user space. */
- if (event->attr.config2 & GENMASK_ULL(31, 0)) {
- id = (u32)event->attr.config2;
- sink = user_sink = coresight_get_sink_by_id(id);
- }
+ sink_hash = ATTR_CFG_GET_FLD(&event->attr, sinkid);
+ if (sink_hash)
+ sink = user_sink = coresight_get_sink_by_id(sink_hash);
/* check if user wants a coresight configuration selected */
- cfg_hash = (u32)((event->attr.config2 & GENMASK_ULL(63, 32)) >> 32);
+ cfg_hash = ATTR_CFG_GET_FLD(&event->attr, configid);
if (cfg_hash) {
if (cscfg_activate_config(cfg_hash))
goto err;
--
2.34.1