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From: Boris Brezillon <boris.brezillon@collabora.com>
To: Przemyslaw Gaj <pgaj@cadence.com>
Cc: linux-i3c@lists.infradead.org, vitor.soares@synopsys.com,
	rafalc@cadence.com, agolec@cadence.com, bbrezillon@kernel.org
Subject: Re: [PATCH v4 1/6] i3c: add addr and lvr to i2c_dev_desc structure
Date: Tue, 2 Apr 2019 13:48:28 +0200
Message-ID: <20190402134828.4e0daeca@collabora.com> (raw)
In-Reply-To: <20190330153618.48719ee5@collabora.com>

On Sat, 30 Mar 2019 15:36:18 +0100
Boris Brezillon <boris.brezillon@collabora.com> wrote:

> On Sun, 10 Mar 2019 13:58:38 +0000
> Przemyslaw Gaj <pgaj@cadence.com> wrote:
> 
> > I need to store address and lvr value for I2C devices without static definition
> > in DT. This allows secondary master to transmit DEFSLVS command properly.
> > 
> > Signed-off-by: Przemyslaw Gaj <pgaj@cadence.com>
> > ---
> >  include/linux/i3c/master.h | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h
> > index eca8337..3c27d9f 100644
> > --- a/include/linux/i3c/master.h
> > +++ b/include/linux/i3c/master.h
> > @@ -71,6 +71,9 @@ struct i2c_dev_boardinfo {
> >   * @common: common part of the I2C device descriptor
> >   * @boardinfo: pointer to the boardinfo attached to this I2C device
> >   * @dev: I2C device object registered to the I2C framework
> > + * @addr: I2C device address
> > + * @lvr: LVR (Legacy Virtual Register) needed by the I3C core to know about
> > + *	 the I2C device limitations
> >   *
> >   * Each I2C device connected on the bus will have an i2c_dev_desc.
> >   * This object is created by the core and later attached to the controller
> > @@ -84,6 +87,8 @@ struct i2c_dev_desc {
> >  	struct i3c_i2c_dev_desc common;
> >  	const struct i2c_dev_boardinfo *boardinfo;
> >  	struct i2c_client *dev;
> > +	u16 addr;
> > +	u8 lvr;  
> 
> You also need to remove lvr from i2c_dev_boardinfo and adjust the code
> to use i2c_dev_desc->addr and i2c_dev_desc->lvr in this patch, not in
> patch 3.

Hm, looks like I was wrong, you must keep i2c_dev_boardinfo->lvr as
i2c_dev_desc instances and i2c_dev_boardinfo objects are created
separately.

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  parent reply index

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-10 13:58 [PATCH v4 0/6] Add the I3C mastership request Przemyslaw Gaj
2019-03-10 13:58 ` [PATCH v4 1/6] i3c: add addr and lvr to i2c_dev_desc structure Przemyslaw Gaj
2019-03-30 14:36   ` Boris Brezillon
2019-04-01 18:17     ` vitor
2019-04-01 18:31       ` Boris Brezillon
2019-04-01 18:48         ` vitor
2019-04-01 19:10           ` Przemyslaw Gaj
2019-04-01 19:24           ` Boris Brezillon
2019-04-02 11:10             ` vitor
2019-04-02 11:22               ` Przemyslaw Gaj
2019-04-02 11:32                 ` vitor
2019-04-02 11:53                   ` Boris Brezillon
2019-04-02 11:48     ` Boris Brezillon [this message]
2019-03-10 13:58 ` [PATCH v4 2/6] i3c: export bus maintenance lock and unlock functions Przemyslaw Gaj
2019-03-10 13:58 ` [PATCH v4 3/6] i3c: Add support for mastership request to I3C subsystem Przemyslaw Gaj
2019-03-30 15:06   ` Boris Brezillon
2019-04-01 18:41   ` vitor
2019-04-01 19:18     ` Boris Brezillon
2019-04-09 14:31     ` Vitor Soares
2019-04-09 15:20       ` Przemyslaw Gaj
2019-04-09 15:46         ` Vitor Soares
2019-04-10  6:53           ` Przemyslaw Gaj
2019-04-10 10:05             ` Vitor Soares
2019-04-10 10:36               ` Boris Brezillon
2019-04-12 14:28                 ` Vitor Soares
2019-04-12 14:57                   ` Boris Brezillon
2019-04-15 12:02                     ` Vitor Soares
2019-04-15 13:08                       ` Boris Brezillon
2019-03-10 13:58 ` [PATCH v4 4/6] i3c: master: cdns: add support for mastership request to Cadence I3C master driver Przemyslaw Gaj
2019-03-30 15:44   ` Boris Brezillon
2019-04-29 10:36     ` Przemyslaw Gaj
2019-05-18  7:34       ` Boris Brezillon
2019-03-10 13:58 ` [PATCH v4 5/6] i3c: master: Add module author Przemyslaw Gaj
2019-03-10 13:58 ` [PATCH v4 6/6] MAINTAINERS: add myself as co-maintainer of i3c subsystem Przemyslaw Gaj

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