[PATCH v1 17/19] ARM: tegra: dt-setup: convert TrustZone remove into config

Simon Glass sjg at google.com
Wed Aug 23 16:54:21 CEST 2023


Hi,

On Wed, 23 Aug 2023 at 05:47, Svyatoslav Ryhel <clamor95 at gmail.com> wrote:
>
>
>
> 23 серпня 2023 р. 14:17:37 GMT+03:00, Thierry Reding <thierry.reding at gmail.com> написав(-ла):
> >On Tue, Aug 22, 2023 at 02:22:15PM +0300, Svyatoslav Ryhel wrote:
> >> Remove of TrustZone nodes is required by many product devices
> >> which require repetable calls of same function from device board.
> >> To simplify this, TZ remove is converted into Kconfig option.
> >>
> >> Signed-off-by: Svyatoslav Ryhel <clamor95 at gmail.com>
> >> ---
> >>  arch/arm/mach-tegra/Kconfig    | 14 ++++++++++++++
> >>  arch/arm/mach-tegra/dt-setup.c |  7 +++++++
> >>  2 files changed, 21 insertions(+)
> >
> >I kind of preferred the original because it's very explicit. There's
> >also no big advantage in consolidating this because the code is unlikely
> >to ever require changing (the libfdt API is quite stable and these nodes
> >are all hard-coded anyway). This new variant put non-generic code (it
> >requires a Kconfig option after all) into a generic place, so it seems a
> >bit backwards.
>
> So you say that I have to add same function to boards over and over for all devices I plan to mainline? Unneeded code duplication in action.
>
> List of devices which need this:
> - transformers t30
> - transformers t114
> - grouper
> - lg x3
> - endeavoru
> - tegratab
> - wexler qc750 and basically ALL t30 and t114
>
> Ok, fine. Dropping and moving on.

Where is the binding for this node? I have never heard of it.

Regards,
Simon


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