Re: [RFC] pinctrl: sh-pfc: only use dummy states for non-DT platforms

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On 03/08/2016 12:00 AM, Geert Uytterhoeven wrote:

--- a/drivers/pinctrl/sh-pfc/core.c
+++ b/drivers/pinctrl/sh-pfc/core.c
@@ -545,7 +545,9 @@ static int sh_pfc_probe(struct platform_device
*pdev)
                           return ret;
           }

-       pinctrl_provide_dummies();
+       /* Enable dummy states for those platforms without pinctrl
support */
+       if (!of_have_populated_dt())


     I'd considered this condition -- it won't fly on SH where
CONFIG_OF=n,
the kernel just won't build IIUC...


I haven't tried to compile it yet, but <linux/of.h> does provide a dummy
that
returns false.


    Oops, indeed. I missed it. :-(
    This approach is better then, won't have to fix again whenever SH gets DT
support.

Perhaps the of_have_populated_dt() check should be moved inside
pinctrl_provide_dummies()?

   That's probably a good idea...

Besides omap2, which has its own check, the only other user is imx1.

   i.MX2x/3x as well, no?

[...]

Gr{oetje,eeting}s,

                         Geert

MBR, Sergei

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