Messages in this thread Patch in this message | | | From | Grygorii Strashko <> | Subject | [RFC 1/2] i2c: omap: drop class based instantiation of slaves | Date | Wed, 19 Jun 2013 21:22:11 +0300 |
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Class based instantiation mechanism can cause huge delays when booting. For example: when CONFIG_SENSORS_LM75 option is enabled for omap4-sdp board - it introduces 5-6 ms boot delay. It's not recommended to use this mechanism with embedded I2C, so disable it by leaving I2C adapter "class" field undefined (remove I2C_CLASS_HWMON).
CC: Tony Lindgren <tony@atomide.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> --- drivers/i2c/busses/i2c-omap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index f06109f..ae2b27f 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1231,7 +1231,7 @@ omap_i2c_probe(struct platform_device *pdev) adap = &dev->adapter; i2c_set_adapdata(adap, dev); adap->owner = THIS_MODULE; - adap->class = I2C_CLASS_HWMON | I2C_CLASS_DEPRECATED; + adap->class = I2C_CLASS_DEPRECATED; strlcpy(adap->name, "OMAP I2C adapter", sizeof(adap->name)); adap->algo = &omap_i2c_algo; adap->dev.parent = &pdev->dev; -- 1.7.9.5
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