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regmap: Add the regcache_sync trace event
Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
parent
2cbbb579bc
commit
5936008901
2 changed files with 31 additions and 1 deletions
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@ -221,12 +221,18 @@ EXPORT_SYMBOL_GPL(regcache_write);
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*/
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*/
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int regcache_sync(struct regmap *map)
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int regcache_sync(struct regmap *map)
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{
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{
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int ret;
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const char *name;
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BUG_ON(!map->cache_ops);
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BUG_ON(!map->cache_ops);
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if (map->cache_ops->sync) {
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if (map->cache_ops->sync) {
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dev_dbg(map->dev, "Syncing %s cache\n",
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dev_dbg(map->dev, "Syncing %s cache\n",
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map->cache_ops->name);
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map->cache_ops->name);
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return map->cache_ops->sync(map);
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name = map->cache_ops->name;
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trace_regcache_sync(map->dev, name, "start");
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ret = map->cache_ops->sync(map);
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trace_regcache_sync(map->dev, name, "stop");
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}
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}
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return 0;
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return 0;
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}
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}
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@ -106,6 +106,30 @@ DEFINE_EVENT(regmap_block, regmap_hw_write_done,
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TP_ARGS(dev, reg, count)
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TP_ARGS(dev, reg, count)
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);
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);
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TRACE_EVENT(regcache_sync,
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TP_PROTO(struct device *dev, const char *type,
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const char *status),
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TP_ARGS(dev, type, status),
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TP_STRUCT__entry(
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__string( name, dev_name(dev) )
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__string( status, status )
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__string( type, type )
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__field( int, type )
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),
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TP_fast_assign(
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__assign_str(name, dev_name(dev));
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__assign_str(status, status);
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__assign_str(type, type);
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),
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TP_printk("%s type=%s status=%s", __get_str(name),
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__get_str(type), __get_str(status))
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);
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#endif /* _TRACE_REGMAP_H */
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#endif /* _TRACE_REGMAP_H */
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/* This part must be outside protection */
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/* This part must be outside protection */
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