[PATCH 17/17] ARM: i.MX Phytec physom: Add deep-probe support

[Marco Felsch]

On 21-04-26 11:20, Marco Felsch wrote:
> On 21-04-19 09:12, Ahmad Fatoum wrote:
> > Hi,
> > 
> > On 16.04.21 11:49, Sascha Hauer wrote:
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6q-pfla02");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6dl-pfla02");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6s-pfla02");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6q-pcaaxl3");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6q-pcm058-nand");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6q-pcm058-emmc");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6dl-pcm058-nand");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6qp-pcm058-nand");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6dl-pcm058-emmc");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6ul-pcl063-nand");
> > > +BAREBOX_DEEP_PROBE_ENABLE("phytec,imx6ul-pcl063-emmc");
> > 
> > How about changing BAREBOX_DEEP_PROBE_ENABLE so BAREBOX_DEEP_PROBE_ENABLE(physom_imx6_match);
> > works? Updated boards should be using board drivers anyway, so make it easier for them to
> > enable deep probe.
> 
> Hi Ahmad,
> 
> Why do I need to chnage it to board drivers if I only wanna fix a probe
> order issue? But you're right adding the _match table should be possible
> to :)
> 
> > I'd go even further and require board drivers by having it take a driver_d * as argument
> > and introduce deep_probe_board_driver() that expands to postcore_platform_driver and
> > BAREBOX_DEEP_PROBE_ENABLE.
> 
> How about this:
>  1st) adding a probe_enum like kernel and introduce PROBE_PREFER_DEEP
                   ^
	I mean 'enum probe_type', sry.

>  2nd) adding a deep_probe_enable_board() function to common/deep_probe.c
>  3th) checking during register_driver() if the flag is set and call the
>       deep_probe_enable_board().
> 
> This allows use to still use the macro mechanism and the boards already
> converted to the board driver style can use this simple enum to mark all
> boards as deep-probable.
> 
> Regards,
>   Marco
> 
> > This would prevent having a board driver that's deep probe incompatible in the
> > first place, because it will likely not find the resources it requires that early
> > if it doesn't deep probe.
> > 
> > Cheers,
> > Ahmad
> > 
> > -- 
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> 
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-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |