Messages in this thread Patch in this message | | | From | Tomeu Vizoso <> | Subject | [PATCH v5 12/23] i2c: core: Probe i2c adapters and devices on demand | Date | Thu, 17 Sep 2015 14:57:06 +0200 |
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When looking up an i2c adapter or device 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 v5: None Changes in v4: None Changes in v3: None Changes in v2: None
drivers/i2c/i2c-core.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 5f89f1e3c2f2..02da3acbbd35 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1413,6 +1413,8 @@ struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) struct device *dev; struct i2c_client *client; + of_device_probe(node); + dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match); if (!dev) return NULL; @@ -1431,6 +1433,8 @@ struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) struct device *dev; struct i2c_adapter *adapter; + of_device_probe(node); + dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match); if (!dev) return NULL; -- 2.4.3
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