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Re: [PATCH 1/5] acpi: Add basic device probing infrastructure

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On Friday, September 04, 2015 06:06:48 PM Marc Zyngier wrote:
> IRQ controllers and timers are the two types of device the kernel
> requires before being able to use the device driver model.
> 
> ACPI so far lacks a proper probing infrastructure similar to the one
> we have with DT, where we're able to declare IRQ chips and
> clocksources inside the driver code, and let the core code pick it up
> and call us back on a match. This leads to all kind of really ugly
> hacks all over the arm64 code and even in the ACPI layer.
> 
> In order to allow some basic probing based on the ACPI tables,
> introduce "struct acpi_probe_entry" which contains just enough
> data and callbacks to match a table, an optional subtable, and
> call a probe function. A driver can, at build time, register itself
> and expect being called if the right entry exists in the ACPI
> table.
> 
> A acpi_probe_device_init() is provided, taking an ACPI table
> identifier, and iterating over the registered entries.

What about things that are provided by the ACPI namespace (eg. via _MAT) rather
than in static tables?

Thanks,
Rafael

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[PATCH 0/5] ACPI probing infrastructure Marc Zyngier <marc.zyngier@arm.com> - 2015-09-04 19:10 +0200
  [PATCH 2/5] irqchip/acpi: Add probing infrastructure for ACPI-based irqchips Marc Zyngier <marc.zyngier@arm.com> - 2015-09-04 19:10 +0200
  [PATCH 4/5] clocksource/acpi: Add probing infrastructure for ACPI-based clocksources Marc Zyngier <marc.zyngier@arm.com> - 2015-09-04 19:10 +0200
  [PATCH 5/5] clocksource/arm_arch_timer: Convert to ACPI probing Marc Zyngier <marc.zyngier@arm.com> - 2015-09-04 19:10 +0200
  [PATCH 3/5] irqchip/gic: Convert the GIC driver to ACPI probing Marc Zyngier <marc.zyngier@arm.com> - 2015-09-04 19:10 +0200
  [PATCH 1/5] acpi: Add basic device probing infrastructure Marc Zyngier <marc.zyngier@arm.com> - 2015-09-04 19:10 +0200
    Re: [PATCH 1/5] acpi: Add basic device probing infrastructure Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2015-09-07 18:10 +0200
      Re: [PATCH 1/5] acpi: Add basic device probing infrastructure Marc Zyngier <marc.zyngier@arm.com> - 2015-09-07 19:40 +0200
    Re: [PATCH 1/5] acpi: Add basic device probing infrastructure "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-09-07 23:10 +0200
      Re: [PATCH 1/5] acpi: Add basic device probing infrastructure Marc Zyngier <marc.zyngier@arm.com> - 2015-09-08 12:00 +0200
        Re: [PATCH 1/5] acpi: Add basic device probing infrastructure Hanjun Guo <hanjun.guo@linaro.org> - 2015-09-08 15:10 +0200
  Re: [PATCH 0/5] ACPI probing infrastructure Tomasz Nowicki <tn@semihalf.com> - 2015-09-07 09:00 +0200
    Re: [PATCH 0/5] ACPI probing infrastructure Tomasz Nowicki <tn@semihalf.com> - 2015-09-08 16:40 +0200
  Re: [PATCH 0/5] ACPI probing infrastructure "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-09-07 23:00 +0200
    Re: [PATCH 0/5] ACPI probing infrastructure Marc Zyngier <marc.zyngier@arm.com> - 2015-09-08 11:50 +0200
      Re: [PATCH 0/5] ACPI probing infrastructure "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-09-09 00:00 +0200
  Re: [PATCH 0/5] ACPI probing infrastructure Hanjun Guo <hanjun.guo@linaro.org> - 2015-09-08 15:30 +0200
    Re: [PATCH 0/5] ACPI probing infrastructure Hanjun Guo <hanjun.guo@linaro.org> - 2015-09-10 11:10 +0200
      Re: [PATCH 0/5] ACPI probing infrastructure Marc Zyngier <marc.zyngier@arm.com> - 2015-09-11 16:10 +0200

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