Messages in this thread Patch in this message | | | From | Tomeu Vizoso <> | Subject | [PATCH v3 18/18] ASoC: core: Probe components on demand | Date | Thu, 6 Aug 2015 16:11:55 +0200 |
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When looking up a component through its OF node, probe it if it hasn't already.
The goal is to reduce deferred probes to a minimum, as it makes it very cumbersome to find out why a device failed to probe, and can introduce very big delays in when a critical device is probed.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> ---
Changes in v3: None Changes in v2: None
sound/soc/soc-core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index c81aec9c872a..1157049b1a34 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -34,6 +34,7 @@ #include <linux/ctype.h> #include <linux/slab.h> #include <linux/of.h> +#include <linux/of_platform.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/pcm.h> @@ -865,10 +866,12 @@ static const struct snd_soc_dai_ops null_dai_ops = { }; static struct snd_soc_component *soc_find_component( - const struct device_node *of_node, const char *name) + struct device_node *of_node, const char *name) { struct snd_soc_component *component; + of_platform_probe(of_node); + lockdep_assert_held(&client_mutex); list_for_each_entry(component, &component_list, list) { @@ -890,6 +893,8 @@ static struct snd_soc_dai *snd_soc_find_dai( struct snd_soc_dai *dai; struct device_node *component_of_node; + of_platform_probe(dlc->of_node); + lockdep_assert_held(&client_mutex); /* Find CPU DAI from registered DAIs*/ -- 2.4.3
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