From: Boris Brezillon <boris.brezillon@collabora.com>
To: Vitor Soares <Vitor.Soares@synopsys.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-i3c@lists.infradead.org" <linux-i3c@lists.infradead.org>,
"bbrezillon@kernel.org" <bbrezillon@kernel.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"Joao.Pinto@synopsys.com" <Joao.Pinto@synopsys.com>
Subject: Re: [PATCH 2/4] i3c: master: Check if devices have i3c_dev_boardinfo on i3c_master_add_i3c_dev_locked()
Date: Thu, 29 Aug 2019 16:39:18 +0200 [thread overview]
Message-ID: <20190829163918.571fd0d8@collabora.com> (raw)
In-Reply-To: <SN6PR12MB265551F73B9B516CACB5B807AEA20@SN6PR12MB2655.namprd12.prod.outlook.com>
On Thu, 29 Aug 2019 14:00:44 +0000
Vitor Soares <Vitor.Soares@synopsys.com> wrote:
> Hi Boris,
>
> From: Boris Brezillon <boris.brezillon@collabora.com>
> Date: Thu, Aug 29, 2019 at 11:44:57
>
> > On Thu, 29 Aug 2019 12:19:33 +0200
> > Vitor Soares <Vitor.Soares@synopsys.com> wrote:
> >
> > > The I3C devices described in DT might not be attached to the master which
> > > doesn't allow to assign a specific dynamic address.
> >
> > I remember testing this when developing the framework, so, unless
> > another patch regressed it, it should already work. I suspect patch 1
> > is actually the regressing this use case.
>
> For today it doesn't address the case where the device is described with
> static address = 0, which isn't attached to the controller.
Hm, I'm pretty sure I had designed the code to support that case (see
[1]). It might be buggy, but nothing we can't fix I guess.
next prev parent reply other threads:[~2019-08-29 14:39 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-29 10:19 [PATCH 0/4] i3c: remove device if failed on pre_assign_dyn_addr() Vitor Soares
2019-08-29 10:19 ` [PATCH 1/4] i3c: master: detach and free device if pre_assign_dyn_addr() fails Vitor Soares
2019-08-29 10:41 ` Boris Brezillon
2019-08-29 13:53 ` Vitor Soares
2019-08-29 14:35 ` Boris Brezillon
2019-08-29 15:23 ` Vitor Soares
2019-08-29 15:37 ` Boris Brezillon
2019-08-29 16:23 ` Vitor Soares
2019-08-29 10:19 ` [PATCH 2/4] i3c: master: Check if devices have i3c_dev_boardinfo on i3c_master_add_i3c_dev_locked() Vitor Soares
2019-08-29 10:44 ` Boris Brezillon
2019-08-29 14:00 ` Vitor Soares
2019-08-29 14:39 ` Boris Brezillon [this message]
2019-08-29 14:39 ` Boris Brezillon
2019-08-29 15:07 ` Vitor Soares
2019-08-29 15:24 ` Boris Brezillon
2019-08-29 15:57 ` Vitor Soares
2019-08-29 16:15 ` Boris Brezillon
2019-08-29 16:33 ` Vitor Soares
2019-08-29 16:37 ` Boris Brezillon
2019-08-29 16:27 ` Boris Brezillon
2019-08-29 10:19 ` [PATCH 3/4] dt-bindings: i3c: Make 'assigned-address' valid if static address != 0 Vitor Soares
2019-08-29 10:51 ` Boris Brezillon
2019-08-29 14:06 ` Vitor Soares
2019-08-29 10:19 ` [PATCH 4/4] i3c: master: dw: reattach device on first available location of address table Vitor Soares
2019-08-29 11:15 ` Boris Brezillon
2019-08-29 14:09 ` Vitor Soares
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