* Haojian Zhuang <[email protected]> [121018 19:17]: > On Fri, Oct 19, 2012 at 6:28 AM, Tony Lindgren <[email protected]> wrote: > > > > Specifically could you decribe the cases where this issue happens? > > Also check if one of your client drivers has some early initcall > > that's no longer needed. > > Yes, the special case is PMIC. Most of PMIC are based on I2C/SPI bus. > It means that I2C/SPI bus driver should be initialized firstly. For example, > we could find that PMIC mfd driver are initialized in subsys init call level. > It means that pinctrl should be initialized earlier than I2C/SPI bus driver. > Otherwise, pins of I2C bus may not be configured as I2C function since > pinctrl driver is module init call level.
Hmm, the order in drivers/Makefile is already: pinctrl/ i2c/ Maybe check that your i2c drivers don't have non-standard initcalls? Also the i2c drivers may need to return -EPROBE_DEFER? Regards, Tony _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
