linux-kernel - Re: [PATCH v3 07/11] power: supply: max77650: add support for battery charger

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190212120742.GA25613@amd>
Date:   Tue, 12 Feb 2019 13:07:42 +0100
From:   Pavel Machek <pavel@....cz>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Sebastian Reichel <sre@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-input@...r.kernel.org,
        linux-leds@...r.kernel.org, linux-pm@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH v3 07/11] power: supply: max77650: add support for
 battery charger

Hi!

> +#define MAX77650_CHARGER_ENABLED		BIT(0)
> +#define MAX77650_CHARGER_DISABLED		0x00
> +#define MAX77650_CHARGER_CHG_EN_MASK		BIT(0)
> +
> +#define MAX77650_CHARGER_CHG_DTLS_MASK		GENMASK(7, 4)
> +#define MAX77650_CHARGER_CHG_DTLS_BITS(_reg) \
> +		(((_reg) & MAX77650_CHARGER_CHG_DTLS_MASK) >> 4)
> +
> +#define MAX77650_CHARGER_CHG_OFF		0x00
> +#define MAX77650_CHARGER_CHG_PREQ		0x01
> +#define MAX77650_CHARGER_CHG_ON_CURR		0x02
> +#define MAX77650_CHARGER_CHG_ON_JCURR		0x03
> +#define MAX77650_CHARGER_CHG_ON_VOLT		0x04
> +#define MAX77650_CHARGER_CHG_ON_JVOLT		0x05
> +#define MAX77650_CHARGER_CHG_ON_TOPOFF		0x06
> +#define MAX77650_CHARGER_CHG_ON_JTOPOFF		0x07
> +#define MAX77650_CHARGER_CHG_DONE		0x08
> +#define MAX77650_CHARGER_CHG_JDONE		0x09
> +#define MAX77650_CHARGER_CHG_SUSP_PF		0x0a
> +#define MAX77650_CHARGER_CHG_SUSP_FCF		0x0b
> +#define MAX77650_CHARGER_CHG_SUSP_BTF		0x0c

These are really bad define names. We are in charger driver, so
MAX77650_CHARGER_ really should be shortened/ommited. OTOH
more space should be given to "CHG_SUSP_BTF" as it is impossible to decipher.

> +#define MAX77650_CHARGER_CHGIN_DTLS_MASK	GENMASK(3, 2)
> +#define MAX77650_CHARGER_CHGIN_DTLS_BITS(_reg) \
> +		(((_reg) & MAX77650_CHARGER_CHGIN_DTLS_MASK) >> 2)
> +
> +#define MAX77650_CHARGER_CHGIN_UVL		0x00
> +#define MAX77650_CHARGER_CHGIN_OVL		0x01
> +#define MAX77650_CHARGER_CHGIN_OKAY		0x11

UVL -> UNDERVOLTAGE, OVL -> OVERVOLTAGE?


-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Download attachment "signature.asc" of type "application/pgp-signature" (182 bytes)