Where do I put my new driver?

I've created a new device driver that is responsible for controlling a GPIO expander. This driver contains gpio_chip code, pinmux/pinconf, code, pwm, and irq handlers.

I'm not certain what I should name this driver. pinctrl-*, gpio-*, or something else?

I'm also not sure where this driver belongs in the source tree. Should it exist in drivers/gpio, drivers/pinctrl, or drivers/pwm?

I have developed this driver out of tree, now I am trying to move it in tree so I can begin the patch process. I appreciate any insight that this list may have on where it belongs.

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that suggests that you have several different drivers. each under their own tree to get the same "place" as the ones already there, that build cleanly, use the subsystem support, and work.

the path of least resistance might be to just put it in staging. Once its there and building, thats a milestone.
then when it "works" there, thats clearly another. then maybe break it up into several ko's if feedback says.

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drivers/staging/ is not a dumping ground for drivers under active development. Just take the time and get it merged properly in the first place, it's always faster and simpler that way.

thanks,

greg k-h

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