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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-16 17:05:44 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-16 17:05:44 +0200 |
| commit | b508c80c553c03baf5c9ad5612ac8caceb13c5f4 (patch) | |
| tree | 9a2047f94df087374f7ad3e9058f174ff5dad533 /drivers | |
| parent | Linux 3.9-rc7 (diff) | |
| parent | regmap: async: Add tracepoints for async I/O (diff) | |
| download | linux-b508c80c553c03baf5c9ad5612ac8caceb13c5f4.tar.xz linux-b508c80c553c03baf5c9ad5612ac8caceb13c5f4.zip | |
Merge remote-tracking branch 'regmap/topic/async' into regmap-next
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/regmap/regmap.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 58cfb3232428..672ac082cafa 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -999,6 +999,8 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg, if (!async) return -ENOMEM; + trace_regmap_async_write_start(map->dev, reg, val_len); + async->work_buf = kzalloc(map->format.buf_size, GFP_KERNEL | GFP_DMA); if (!async->work_buf) { @@ -1642,6 +1644,8 @@ void regmap_async_complete_cb(struct regmap_async *async, int ret) struct regmap *map = async->map; bool wake; + trace_regmap_async_io_complete(map->dev); + spin_lock(&map->async_lock); list_del(&async->list); @@ -1688,6 +1692,8 @@ int regmap_async_complete(struct regmap *map) if (!map->bus->async_write) return 0; + trace_regmap_async_complete_start(map->dev); + wait_event(map->async_waitq, regmap_async_is_done(map)); spin_lock_irqsave(&map->async_lock, flags); @@ -1695,6 +1701,8 @@ int regmap_async_complete(struct regmap *map) map->async_ret = 0; spin_unlock_irqrestore(&map->async_lock, flags); + trace_regmap_async_complete_done(map->dev); + return ret; } EXPORT_SYMBOL_GPL(regmap_async_complete); |