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Merge remote-tracking branch 'regmap/topic/async' into regmap-next

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This commit is contained in:
Mark Brown 2013-04-16 16:05:44 +01:00
commit b508c80c55
2 changed files with 56 additions and 0 deletions
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8
drivers/base/regmap/regmap.c
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@ -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);