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 <[email protected]> --- Changes in v3: None Changes in v2: None drivers/i2c/i2c-core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index c83e4d13cfc5..9c507b558fa2 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -40,6 +40,7 @@ #include <linux/of.h> #include <linux/of_device.h> #include <linux/of_irq.h> +#include <linux/of_platform.h> #include <linux/clk/clk-conf.h> #include <linux/completion.h> #include <linux/hardirq.h> @@ -1342,6 +1343,8 @@ struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) struct device *dev; struct i2c_client *client; + of_platform_probe(node); + dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match); if (!dev) return NULL; @@ -1360,6 +1363,8 @@ struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) struct device *dev; struct i2c_adapter *adapter; + of_platform_probe(node); + dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match); if (!dev) return NULL; -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
