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SubjectRe: [PATCH 3/4] mfd: intel_soc_pmic_crc: Set main IRQ domain bus token to DOMAIN_BUS_NEXUS
On Sat, 25 Dec 2021, Hans de Goede wrote:

> For the CRC PMIC we end up with multiple IRQ domains with the same fwnode.
> One for the irqchip which demultiplexes the actual PMIC interrupt into
> interrupts for the various cells (known as the level 1 interrupts);
>
> And 2 more for the irqchips which are part of the crystal_cove_gpio
> and crystal_cove_charger cells.
>
> This leads to the following error being printed when
> CONFIG_GENERIC_IRQ_DEBUGFS is enabled:
> debugfs: File '\_SB.I2C7.PMIC' in directory 'domains' already present!
>
> Set the bus token of the main IRQ domain to DOMAIN_BUS_NEXUS to avoid
> this error, this also allows irq_find_matching_fwspec() to find the
> right domain if necessary.
>
> Note all 3 domain registering drivers need to set the IRQ domain bus token.
> This is necessary because the IRQ domain code defaults to creating
> the debugfs dir with just the fwnode name and then renames it when
> the bus token is set. So each one starts with the same default name and
> all 3 must be given a different name to avoid problems when one of the
> other drivers loads and starts with the same default name.
>
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
> drivers/mfd/intel_soc_pmic_core.c | 4 ++++
> 1 file changed, 4 insertions(+)

Applied, thanks.

--
Lee Jones [李琼斯]
Principal Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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