linux-kernel - Re: [PATCH v2 2/7] i3c: Add core I3C infrastructure

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Date:   Fri, 23 Feb 2018 23:45:46 +0100
From:   Boris Brezillon <boris.brezillon@...tlin.com>
To:     Vitor Soares <Vitor.Soares@...opsys.com>
Cc:     Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Wolfram Sang <wsa@...-dreams.de>, <linux-i2c@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>, <linux-doc@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Przemyslaw Sroka <psroka@...ence.com>,
        Arkadiusz Golec <agolec@...ence.com>,
        Alan Douglas <adouglas@...ence.com>,
        Bartosz Folta <bfolta@...ence.com>,
        Damian Kos <dkos@...ence.com>,
        Alicja Jurasik-Urbaniak <alicja@...ence.com>,
        Cyprian Wronka <cwronka@...ence.com>,
        Suresh Punnoose <sureshp@...ence.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Nishanth Menon <nm@...com>, "Rob Herring" <robh+dt@...nel.org>,
        Pawel Moll <pawel.moll@....com>,
        Mark Rutland <mark.rutland@....com>,
        Ian Campbell <ijc+devicetree@...lion.org.uk>,
        "Kumar Gala" <galak@...eaurora.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v2 2/7] i3c: Add core I3C infrastructure

On Fri, 23 Feb 2018 16:56:14 +0000
Vitor Soares <Vitor.Soares@...opsys.com> wrote:


> > +
> > +/**
> > + * struct i3c_ccc_setda - payload passed to ENTTM CCC
> > + *
> > + * @mode: one of the &enum i3c_ccc_test_mode modes
> > + *
> > + * Information passed to the ENTTM CCC to instruct an I3C device to enter a
> > + * specific test mode.

Oops, copy&paste error. I'll fix the kernel-doc header.

> > + */
> > +struct i3c_ccc_setda {
> > +	u8 addr;
> > +} __packed;  
> 
>  what do you mean with struct? Maybe setdasa? if so, what is the addr?

It's the payload passed to SETDASA and SETNEWDA, hence the generic
_setda suffix. addr is the new dynamic address assigned to the
device.



-- 
Boris Brezillon, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com