Messages in this thread | | | Date | Tue, 24 Apr 2012 10:23:34 +0200 | Subject | Re: [PATCH 3/3] ARM: imx6q: switch to use pinctrl driver | From | Linus Walleij <> |
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On Mon, Apr 16, 2012 at 5:35 AM, Dong Aisheng <aisheng.dong@freescale.com> wrote: > On Sun, Apr 15, 2012 at 03:37:54PM +0800, Shawn Guo wrote: >> On Sun, Apr 15, 2012 at 12:03:16PM +0800, Dong Aisheng wrote: >> ... >> > For MX3 and MX5, before their pinctrl driver are available, user may >> > need to define a dummy in dt to avoid such an error. >> > >> That is insane, and will not work. >> >> 1) We do not have device tree support for MX3 yet. >> 2) It's not practical to add dummy entries in dt to avoid the error. >> 3) There are still so many non-dt board files support in the tree. >> How will they work with that? >> >> My suggestion is to not make it an error but a dev_dbg, assuming that >> the pins are already set up by platform code if we do not find the >> entry from pinctrl system. We can take it as a transition solution, >> and turn the dev_dbg back to error when all the users of the device >> driver are converted to device tree. >> > My thinking is let pinctrl core handle dummy state as regulator subsystem > and does not depend on dt. > Linus, Stephen, any comment?
I think this was discussed in another thread and Sascha agreed that wee need dummy pinctrl to copy with a smooth transition in i.MX.
So I'm happy with that, we just need to finalize a patch, poke me if I missed some patch...
Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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