linux-kernel - Re: [PATCH] power: supply: fix sbs-charger build, needs REGMAP

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Date:   Sun, 17 Jan 2021 10:48:44 +0100
From:   Martin Mokrejs <mmokrejs@...d.natur.cuni.cz>
To:     Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org
Cc:     Sebastian Reichel <sre@...nel.org>, linux-pm@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        nicolassaenzj@...il.com,
        Nicolas Saenz Julienne <nicolas.saenz@...dys.net>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>
Subject: Re: [PATCH] power: supply: fix sbs-charger build, needs REGMAP_I2C

Hi Randy,
  thank you very much. I would not mind dropping my name but I tested the patch
now with 5.4.89 so you may actually also add

Tested-by: Martin Mokrejs <mmokrejs@...d.natur.cuni.cz>

It also happened with 5.10.7, it is probably obvious.

Thank you for quick action.
Martin

On 16/01/2021 22:13, Randy Dunlap wrote:
> CHARGER_SBS should select REGMAP_I2C since it uses API(s) that are
> provided by that Kconfig symbol.
> 
> Fixes these errors:
> 
> ../drivers/power/supply/sbs-charger.c:149:21: error: variable ‘sbs_regmap’ has initializer but incomplete type
>  static const struct regmap_config sbs_regmap = {
> ../drivers/power/supply/sbs-charger.c:150:3: error: ‘const struct regmap_config’ has no member named ‘reg_bits’
>   .reg_bits = 8,
> ../drivers/power/supply/sbs-charger.c:155:23: error: ‘REGMAP_ENDIAN_LITTLE’ undeclared here (not in a function)
>   .val_format_endian = REGMAP_ENDIAN_LITTLE, /* since based on SMBus */
> ../drivers/power/supply/sbs-charger.c: In function ‘sbs_probe’:
> ../drivers/power/supply/sbs-charger.c:183:17: error: implicit declaration of function ‘devm_regmap_init_i2c’; did you mean ‘devm_request_irq’? [-Werror=implicit-function-declaration]
>   chip->regmap = devm_regmap_init_i2c(client, &sbs_regmap);
> ../drivers/power/supply/sbs-charger.c: At top level:
> ../drivers/power/supply/sbs-charger.c:149:35: error: storage size of ‘sbs_regmap’ isn’t known
>  static const struct regmap_config sbs_regmap = {
> 
> Fixes: feb583e37f8a ("power: supply: add sbs-charger driver")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Sebastian Reichel <sre@...nel.org>
> Cc: linux-pm@...r.kernel.org
> Cc: Martin Mokrejs <mmokrejs@...d.natur.cuni.cz>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: nicolassaenzj@...il.com
> Cc: Nicolas Saenz Julienne <nicolas.saenz@...dys.net>
> Cc: Rafael J. Wysocki <rjw@...ysocki.net>
> ---
> Martin, do you want Reported-by: on this?
> 
>  drivers/power/supply/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- linux-next-20210115.orig/drivers/power/supply/Kconfig
> +++ linux-next-20210115/drivers/power/supply/Kconfig
> @@ -229,6 +229,7 @@ config BATTERY_SBS
>  config CHARGER_SBS
>  	tristate "SBS Compliant charger"
>  	depends on I2C
> +	select REGMAP_I2C
>  	help
>  	  Say Y to include support for SBS compliant battery chargers.
>  
>