linux-kernel - Re: [PATCH v7 4/6] power: supply: lenovo_yoga_c630

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Message-ID: <1f6ada87-ae52-dca8-96f2-0fe6f85a372a@linux.intel.com>
Date: Fri, 14 Jun 2024 12:55:48 +0300 (EEST)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
cc: Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>, 
    Krzysztof Kozlowski <krzk+dt@...nel.org>, 
    Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
    Hans de Goede <hdegoede@...hat.com>, 
    Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
    Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
    Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
    Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
    Konrad Dybcio <konrad.dybcio@...aro.org>, linux-pm@...r.kernel.org, 
    devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
    platform-driver-x86@...r.kernel.org, linux-usb@...r.kernel.org, 
    linux-arm-msm@...r.kernel.org, Nikita Travkin <nikita@...n.ru>
Subject: Re: [PATCH v7 4/6] power: supply: lenovo_yoga_c630_battery: add
 Lenovo C630 driver

On Fri, 14 Jun 2024, Dmitry Baryshkov wrote:

> On the Lenovo Yoga C630 WOS laptop the EC provides access to the adapter
> and battery status. Add the driver to read power supply status on the
> laptop.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
>  drivers/power/supply/Kconfig                    |   9 +
>  drivers/power/supply/Makefile                   |   1 +
>  drivers/power/supply/lenovo_yoga_c630_battery.c | 500 ++++++++++++++++++++++++
>  3 files changed, 510 insertions(+)
> 
> diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
> index 3e31375491d5..55ab8e90747d 100644
> --- a/drivers/power/supply/Kconfig
> +++ b/drivers/power/supply/Kconfig
> @@ -167,6 +167,15 @@ config BATTERY_LEGO_EV3
>  	help
>  	  Say Y here to enable support for the LEGO MINDSTORMS EV3 battery.
>  
> +config BATTERY_LENOVO_YOGA_C630
> +	tristate "Lenovo Yoga C630 battery"
> +	depends on OF && EC_LENOVO_YOGA_C630
> +	help
> +	  This driver enables battery support on the Lenovo Yoga C630 laptop.
> +
> +	  To compile the driver as a module, choose M here: the module will be
> +	  called lenovo_yoga_c630_battery.
> +
>  config BATTERY_PMU
>  	tristate "Apple PMU battery"
>  	depends on PPC32 && ADB_PMU
> diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile
> index 58b567278034..8ebbdcf92dac 100644
> --- a/drivers/power/supply/Makefile
> +++ b/drivers/power/supply/Makefile
> @@ -32,6 +32,7 @@ obj-$(CONFIG_BATTERY_DS2782)	+= ds2782_battery.o
>  obj-$(CONFIG_BATTERY_GAUGE_LTC2941)	+= ltc2941-battery-gauge.o
>  obj-$(CONFIG_BATTERY_GOLDFISH)	+= goldfish_battery.o
>  obj-$(CONFIG_BATTERY_LEGO_EV3)	+= lego_ev3_battery.o
> +obj-$(CONFIG_BATTERY_LENOVO_YOGA_C630) += lenovo_yoga_c630_battery.o
>  obj-$(CONFIG_BATTERY_PMU)	+= pmu_battery.o
>  obj-$(CONFIG_BATTERY_QCOM_BATTMGR)	+= qcom_battmgr.o
>  obj-$(CONFIG_BATTERY_OLPC)	+= olpc_battery.o
> diff --git a/drivers/power/supply/lenovo_yoga_c630_battery.c b/drivers/power/supply/lenovo_yoga_c630_battery.c
> new file mode 100644
> index 000000000000..0209cdb5546f
> --- /dev/null
> +++ b/drivers/power/supply/lenovo_yoga_c630_battery.c
> @@ -0,0 +1,500 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2022-2024, Linaro Ltd
> + * Authors:
> + *    Bjorn Andersson
> + *    Dmitry Baryshkov
> + */
> +#include <linux/auxiliary_bus.h>
> +#include <linux/bits.h>

Add #include <linux/cleanup.h> for guard().

(I added it into patch 2/6 myself so you don't need to respin that 
patch just because of it).

Once you've addressed the include and the note from Sebastian about 
Kconfig dependencies, please add:

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>

-- 
 i.