From: Dmitry Osipenko <digetx@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>,
thierry.reding@gmail.com, jonathanh@nvidia.com,
frankc@nvidia.com, hverkuil@xs4all.nl, sakari.ailus@iki.fi,
helen.koike@collabora.com
Cc: sboyd@kernel.org, linux-media@vger.kernel.org,
devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver
Date: Sun, 26 Apr 2020 03:38:47 +0300 [thread overview]
Message-ID: <a9948c5e-4b12-fbf5-a096-fa7a64e3877b@gmail.com> (raw)
In-Reply-To: <94d6d159-950a-ee78-05a2-c37fb8fb9873@nvidia.com>
26.04.2020 03:24, Sowjanya Komatineni пишет:
>
> On 4/25/20 5:19 PM, Dmitry Osipenko wrote:
>> External email: Use caution opening links or attachments
>>
>>
>> 26.04.2020 02:44, Sowjanya Komatineni пишет:
>> ...
>>>> How much of the T210 code could be reused by T186/194?
>>> vi/csi are common driver where soc structure should be populated for
>>> T186/T194
>>>
>>> Tegra210.c can't be reused for Tegra186/t194 as programming seq is a
>>> whole lot diff
>>>
>> How are you going to separate Tegra210/186/194 drivers from each other?
>> I don't think you'll want to have one "fat" driver that covers all those
>> SoCs, won't you?
>>
>> In the end it should be three modules: tegra210-video.ko
>> tegra186-video.ko tegra194-video.ko.
>>
>> Using a per-SoC OPS doesn't allow you to do that because the "root"
>> driver will have to lookup OPS' code symbols of every SoC, and thus, the
>> unwanted driver modules will get auto-loaded if you'll try to factor out
>> the OPS into a separate driver modules.
>
> tegra-video driver will be common for t210/186/194
Oh, well.
> we add corresponding compatibles to tegra-video and vi/csi drivers along
> with that need to add tegra186_vi_soc, tegra194_vi_soc and implement
> tegra186.c/tegra194.c
>
> tegra-video driver updated for later tegra include updating drivers list
> and subdevs list to add t186/t194 compatibles
next prev parent reply other threads:[~2020-04-26 0:38 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-24 3:55 [RFC PATCH v10 0/9] Add Tegra driver for video capture Sowjanya Komatineni
2020-04-24 3:55 ` [RFC PATCH v10 1/9] arm64: tegra: Fix sor powergate clocks and reset Sowjanya Komatineni
2020-04-24 3:55 ` [RFC PATCH v10 2/9] arm64: tegra: Add reset-cells to mc Sowjanya Komatineni
2020-04-24 3:55 ` [RFC PATCH v10 3/9] dt-bindings: clock: tegra: Add clk id for CSI TPG clock Sowjanya Komatineni
2020-04-24 3:55 ` [RFC PATCH v10 4/9] clk: tegra: Add Tegra210 CSI TPG clock gate Sowjanya Komatineni
2020-04-24 3:55 ` [RFC PATCH v10 5/9] dt-binding: tegra: Add VI and CSI bindings Sowjanya Komatineni
2020-04-24 3:55 ` [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver Sowjanya Komatineni
2020-04-24 15:07 ` Dmitry Osipenko
2020-04-24 22:00 ` Sowjanya Komatineni
2020-04-25 22:08 ` Dmitry Osipenko
2020-04-25 22:11 ` Sowjanya Komatineni
2020-04-25 23:40 ` Dmitry Osipenko
2020-04-25 23:44 ` Sowjanya Komatineni
2020-04-26 0:19 ` Dmitry Osipenko
2020-04-26 0:24 ` Sowjanya Komatineni
2020-04-26 0:38 ` Dmitry Osipenko [this message]
2020-04-26 8:07 ` Hans Verkuil
2020-04-24 15:11 ` Dmitry Osipenko
2020-04-25 9:36 ` Hans Verkuil
2020-04-26 0:36 ` Dmitry Osipenko
2020-04-26 0:41 ` Sowjanya Komatineni
2020-04-26 1:08 ` Sowjanya Komatineni
2020-04-26 1:26 ` Dmitry Osipenko
2020-04-26 1:43 ` Sowjanya Komatineni
2020-04-26 2:10 ` Dmitry Osipenko
2020-04-26 2:19 ` Sowjanya Komatineni
2020-04-26 2:38 ` Dmitry Osipenko
2020-04-26 2:48 ` Sowjanya Komatineni
2020-04-26 3:03 ` Sowjanya Komatineni
2020-04-26 2:19 ` Dmitry Osipenko
2020-04-26 4:23 ` Sowjanya Komatineni
2020-04-26 5:48 ` Dmitry Osipenko
2020-04-26 4:42 ` Dmitry Osipenko
2020-04-26 4:47 ` Sowjanya Komatineni
2020-04-26 5:04 ` Dmitry Osipenko
2020-04-26 5:51 ` Dmitry Osipenko
2020-04-26 8:27 ` Sowjanya Komatineni
2020-04-25 23:13 ` Dmitry Osipenko
2020-04-25 23:19 ` Sowjanya Komatineni
2020-04-25 23:25 ` Dmitry Osipenko
2020-04-25 23:27 ` Sowjanya Komatineni
2020-04-25 23:44 ` Dmitry Osipenko
2020-04-25 23:47 ` Sowjanya Komatineni
2020-04-25 23:29 ` Dmitry Osipenko
2020-04-26 1:04 ` Sowjanya Komatineni
2020-04-24 3:55 ` [RFC PATCH v10 7/9] MAINTAINERS: Add Tegra Video driver section Sowjanya Komatineni
2020-04-24 3:55 ` [RFC PATCH v10 8/9] dt-bindings: reset: Add ID for Tegra210 VI reset Sowjanya Komatineni
2020-04-24 3:55 ` [RFC PATCH v10 9/9] arm64: tegra: Add Tegra VI CSI support in device tree Sowjanya Komatineni
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