Re: [PATCH 1/9] pinctrl: qcom: ssbi-gpio: hardcode IRQ counts

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Hi Brian!

On Fri, Jan 25, 2019 at 5:23 PM Brian Masney <masneyb@xxxxxxxxxxxxx> wrote:

> The probing of this driver calls platform_irq_count, which will
> setup all of the IRQs that are configured in device tree. In
> preparation for converting this driver to be a hierarchical IRQ
> chip, hardcode the IRQ count based on the hardware type so that all
> the IRQs are not configured immediately and are configured on an
> as-needed basis later in the boot process. This change will also
> allow for the removal of the interrupts property later in this
> patch series once the hierarchical IRQ chip support is in.
>
> This patch also removes the generic qcom,ssbi-gpio OF match since we
> don't know the number of pins. All of the existing upstream bindings
> already include the more-specific binding.
>
> This change was not tested on any actual hardware, however the same
> change was made to spmi-gpio and tested on a LG Nexus 5 (hammerhead)
> phone.
>
> Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx>

I found a bug here:

> -       pctrl->dev = &pdev->dev;

Do not delete this line. Subsequent code makes heavy use
of pctrl->dev and crashes.

After fixing this I get other crashes :D but those are from
other patches so I try to locate those problems too.

Yours,
Linus Walleij



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