On Mon, Mar 12, 2012 at 08:01:34PM +0530, Thomas Abraham wrote: > Yes, I agree with your comment. I did refer to manuals of s3c24xx to > Exynos to ensure that the samsung pinctrl driver is generic and > reusable on all samsung soc's. I hope I have not missed out something > important that would require additional tweaks in the samsung pinctrl > driver. The missing bits now are gpio interrupt and wakeup interrupt > support in the samsung pinctrl driver. Once that is complete, I > believe it should be easy to add support for other SoC and convert the > drivers to use pinctrl (other option being to let pinctrl driver hog > all the mappings at boot and remove the cfg_gpio platform callbacks > from the driver). Yes, I don't see any fundamental problems here - it's more that either we'll need to get all the SoCs converted over (which is a lot of work) or we'll need to have drivers be able to cope with running either way.
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