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Groups > linux.kernel > #1235416
| From | Rob Herring <robherring2@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v4 0/9] Making the generic ACPI GSI layer irqdomain aware |
| Date | 2015-09-29 19:20 +0200 |
| Message-ID | <qe6Jk-4tk-5@gated-at.bofh.it> (permalink) |
| References | <qdJMJ-54p-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Sep 28, 2015 at 11:42 AM, Marc Zyngier <marc.zyngier@arm.com> wrote: > The irqdomain code is not entierely ACPI friendly, as it has some > built-in knowledge of the device-tree. Nothing too harmful, but enough > to scare the ARM ACPI developpers which end up with their own version > of the square wheel. > > This small patch series adapts the irqdomain code to remove the > hurdles that prevent the full blown irqdomain subsystem to be used on > ACPI, creates an interface between the GSI layer and the irqdomain, > and as an example, convert the ARM GIC ACPI support to use irqdomains > as originally intended. > > Overall, this gives us a way to use irqdomains on both DT and ACPI > enabled platforms, having very little changes made to the actual > drivers (other than the probing infrastructure). Because we keep the > flow of information between the various layers identical between ACPI > and DT, we immediately benefit from the existing infrastructure. The > "convert the GSI information to be DT friendly" is admitedly not very > pretty, but I see it as a stepping stone towards unifying the two > structures. Did I miss v1-v3 or did the DT change just show up? I probably tuned out with ACPI in the subject. Needing fake DT nodes for ACPI is just wrong. There's got to be another, better way. Rob -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v4 0/9] Making the generic ACPI GSI layer irqdomain aware Marc Zyngier <marc.zyngier@arm.com> - 2015-09-28 18:50 +0200 [PATCH v4 2/9] genirq/irqdomain: Add irq_create_acpi_mapping Marc Zyngier <marc.zyngier@arm.com> - 2015-09-28 18:50 +0200 [PATCH v4 7/9] irqchip/GIC: Get rid of gic_init_bases() Marc Zyngier <marc.zyngier@arm.com> - 2015-09-28 18:50 +0200 [PATCH v4 5/9] acpi/gsi: Add acpi_set_irq_model to initialize the GSI layer Marc Zyngier <marc.zyngier@arm.com> - 2015-09-28 18:50 +0200 Re: [PATCH v4 0/9] Making the generic ACPI GSI layer irqdomain aware Marc Zyngier <marc.zyngier@arm.com> - 2015-09-29 19:20 +0200 Re: [PATCH v4 0/9] Making the generic ACPI GSI layer irqdomain aware Rob Herring <robherring2@gmail.com> - 2015-09-29 19:20 +0200
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