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From: Sascha Hauer <sha@pengutronix.de>
To: Marco Felsch <m.felsch@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/3] fixup! common: add initial barebox deep-probe support
Date: Mon, 3 May 2021 13:54:59 +0200
Message-ID: <20210503115459.GE19819@pengutronix.de> (raw)
In-Reply-To: <20210428102821.2287-1-m.felsch@pengutronix.de>

On Wed, Apr 28, 2021 at 12:28:19PM +0200, Marco Felsch wrote:
> ---
> Hi,
> 
> this is just a proposal to change the current linker array approach to
> an initcall approach. Why? Because now we can simply register a
> board-driver without having to list each compatible. 
> 
> I used the pure_initcall without adding a new one, since the
> documentation says that pure_initcalls are used to init variables. In
> our case we init boards_list.
> 
> Regards,
>   Marco
> 
>  
> -extern struct deep_probe_entry __barebox_deep_probe_start;
> -extern struct deep_probe_entry __barebox_deep_probe_end;
> +#define deep_probe_enable_board_driver(drv)			\
> +	_deep_probe_enable_driver(__UNIQUE_ID(deepprobe),drv)
>  
> -#define __BAREBOX_DEEP_PROBE_ENABLE(_entry,_compatible)			\
> -	static const struct deep_probe_entry _entry			\
> -	__attribute__ ((used,section (".barebox_deep_probe_" __stringify(_entry)))) = { \
> -		.compatible = _compatible,				\
> -	}
> +#define _deep_probe_enable_compatible(id,compatible)		\
> +	static int __init id(void)				\
> +	{							\
> +		return deep_probe_enable_board(NULL,compatible);\
> +	}							\
> +	pure_initcall(id)
>  
> -#define BAREBOX_DEEP_PROBE_ENABLE(_compatible)	\
> -	__BAREBOX_DEEP_PROBE_ENABLE(__UNIQUE_ID(deepprobe),_compatible)

I like the version with the linker array as we don't add a whole bunch
of new initcalls. Why not simply replace the _compatible argument with a
pointer to a of_device_id array?

Sascha

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      parent reply	other threads:[~2021-05-03 11:57 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-16  9:49 [PATCH v4 00/17] barebox deep probe support Sascha Hauer
2021-04-16  9:49 ` [PATCH 01/17] imx53: remove unused imx53_add_nand Sascha Hauer
2021-04-16  9:49 ` [PATCH 02/17] of: platform: remove check of already added devices Sascha Hauer
2021-04-16  9:49 ` [PATCH 03/17] of: platform: Keep track of populated platform devices Sascha Hauer
2021-04-16  9:49 ` [PATCH 04/17] of: base: move memory init from DT to initcall Sascha Hauer
2021-04-16  9:49 ` [PATCH 05/17] of: base: move clock init from of_probe() to barebox_register_of() Sascha Hauer
2021-04-16  9:49 ` [PATCH 06/17] of: Set of_chosen and of_model earlier Sascha Hauer
2021-04-16  9:49 ` [PATCH 07/17] of: implement of_get_stdoutpath() Sascha Hauer
2021-04-16  9:49 ` [PATCH 08/17] initcall: add of_populate_initcall Sascha Hauer
2021-04-16  9:49 ` [PATCH 09/17] common: add initial barebox deep-probe support Sascha Hauer
2021-04-19  7:16   ` Ahmad Fatoum
2021-04-26  8:15     ` Marco Felsch
2021-04-16  9:49 ` [PATCH 10/17] pinctrl: Find controller node first Sascha Hauer
2021-04-16  9:49 ` [PATCH 11/17] common: Explicitly probe consoles earlier with deep probe Sascha Hauer
2021-04-16  9:49 ` [PATCH 12/17] pinctrl: Add deep probe support Sascha Hauer
2021-04-16  9:49 ` [PATCH 13/17] ARM: i.MX: esdctl: add deep-probe support Sascha Hauer
2021-04-16  9:49 ` [PATCH 14/17] ARM: stm32mp: ddrctrl: " Sascha Hauer
2021-04-16  9:49 ` [PATCH 15/17] ARM: boards: mx6-sabrelite: " Sascha Hauer
2021-04-16  9:49 ` [PATCH 16/17] ARM: i.MX Phytec physom: convert to board driver Sascha Hauer
2021-04-16  9:49 ` [PATCH 17/17] ARM: i.MX Phytec physom: Add deep-probe support Sascha Hauer
2021-04-19  7:12   ` Ahmad Fatoum
2021-04-26  9:20     ` Marco Felsch
2021-04-26  9:26       ` Marco Felsch
2021-04-26  9:36       ` Ahmad Fatoum
2021-04-26 10:03         ` Marco Felsch
2021-04-19  7:35 ` [PATCH v4 00/17] barebox deep probe support Ahmad Fatoum
2021-04-28 10:28 ` [PATCH 1/3] fixup! common: add initial barebox deep-probe support Marco Felsch
2021-04-28 10:28   ` [PATCH 2/3] fixup! ARM: boards: mx6-sabrelite: add " Marco Felsch
2021-04-28 10:28   ` [PATCH 3/3] fixup! ARM: i.MX Phytec physom: Add " Marco Felsch
2021-04-28 10:42   ` [PATCH 1/3] fixup! common: add initial barebox " Ahmad Fatoum
2021-04-28 10:48     ` Marco Felsch
2021-04-28 11:21   ` Marco Felsch
2021-05-03 11:54   ` Sascha Hauer [this message]

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