Hello Lee, On 11/20/2014 12:58 PM, Lee Jones wrote: >> the printk.h header? to use the pr_* functions but I'll make sure that only >> the needed headers are included. > > Right, I think don't think you should be using those on a platform device. >
Yes, I'll use dev_err() instead. >> I prefer macros if possible since they cost nothing and give you an >> indirection >> level if you want to change it later. Any reason to not use a define >> directive? > > Exactly as you said, they add a layer of (pointless) > indirection/complexity. You only use this name once, just change it > where you use it if you wish to (but probably never will) adapt the > name. > Fair enough, I'll remove it. > > I know how the device driver model works. I'm asking where the > 'device' is registered from, not the 'driver' i.e. platform data, DT, > ACPI? > Right, sorry for misunderstanding your question and the silly comment then. $Subject adds a "cros-ec-dev" mfd cell to the cros ec mfd driver. So the device is registered from DT when the cros ec device node is matched (e.g: "google,cros-ec-spi" or "google,cros-ec-i2c") and the cros ec mfd driver probe function calls mfd_add_devices(). Best regards, Javier -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/