On Fri, Jun 17, 2022 at 8:01 PM Saravana Kannan [off-list ref] wrote:

On Fri, Jun 17, 2022 at 1:21 AM Linus Walleij [off-list ref] wrote:

quoted

On Thu, Jun 16, 2022 at 5:25 AM Saravana Kannan [off-list ref] wrote:

quoted

Since fw_devlink=on is the default behavior and fw_devlink understands
approximately 24 DT bindings,

How can I see which these are, in the kernel tree?

device/of/property.c has an array of these binding handling functions
in of_supplier_bindings[].

Most of the functions there are created using DEFINE_SIMPLE_PROP() or
DEFINE_SUFFIX_PROP() that's also in the same file.

Thanks!

We already have some device links in pin control, it's an opt-in for
drivers, used e.g in drivers/pinctrl/stm32/pinctrl-stm32.c
where you see
pctl->pctl_desc.link_consumers = true;
how does that
play with this? Double device links at different levels?

I had a patch to just enforce device links on all pinctrl resources,
but it seemed over the top:
https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git/commit/?h=consumer-link-enforce&id=73441cf773ed91bff0e7f66614d391b2514188bf

Yours,
Linus Walleij

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