which drivers subdirs should be automatically selected?

[Robert Schwebel]

On Tue, Dec 22, 2009 at 10:02:40AM -0500, Robert P. J. Day wrote:
> drivers/Makefile:
>
> obj-y   += net/
> obj-y   += serial/
> obj-y   += nand/
> obj-y   += nor/
> obj-y   += usb/
> obj-$(CONFIG_SPI) += spi/
> obj-$(CONFIG_I2C) += i2c/
> obj-$(CONFIG_VIDEO) += video/
>
>
>   is there a fundamental reason that some of those subdirs are
> auto-selected, while others are based on a CONFIG variable?  asked
> another way, are there some driver subdirs that are so fundamentally
> required that they *should* be auto-selected, or should *everything*
> be a user-selectable choice?  the above just seems slightly
> inconsistent and non-obvious.

They should be selectable.

rsc
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