linux-kernel - Re: [patch v11 00/23] Introduce ACPI for ARM64 based on ACPI 5.1

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Date:	Wed, 25 Mar 2015 11:53:15 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	Hanjun Guo <hanjun.guo@...aro.org>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Will Deacon <will.deacon@....com>,
	Olof Johansson <olof@...om.net>,
	Grant Likely <grant.likely@...aro.org>,
	Mark Rutland <mark.rutland@....com>,
	Ashwin Chaugule <ashwinc@...eaurora.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Robert Richter <rric@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	linaro-acpi@...ts.linaro.org, Marc Zyngier <marc.zyngier@....com>,
	Jon Masters <jcm@...hat.com>,
	Timur Tabi <timur@...eaurora.org>,
	Mark Salter <msalter@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux ACPI <linux-acpi@...r.kernel.org>,
	Mark Brown <broonie@...nel.org>,
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
	Sudeep Holla <Sudeep.Holla@....com>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [patch v11 00/23] Introduce ACPI for ARM64 based on ACPI 5.1

On Tue, Mar 24, 2015 at 10:02 PM, Hanjun Guo <hanjun.guo@...aro.org> wrote:
> Some fixes since last version:
>
>  - Add a patch 19/23 for disabling ACPI for Xen on ARM64 for now to fix
>    compile errors on XEN ACPI, Stefano and Julien are ok with this
>    temporary solution.
>  - Add patch "ARM64 / ACPI: Don't unflatten device tree if acpi=force
>    is passed", which will fix the problem that the device tree will
>    be unflattened even if acpi=force passed, that will not obey the
>    policy.
>  - update patch "irqchip: Add GICv2 specific ACPI boot support",
>    which will cause compile error on i386 with both DT and ACPI
>    enabled:
>
>    All error/warnings:
>
>     In file included from include/linux/acpi_irq.h:4:0,
>                      from drivers/irqchip/irqchip.c:11:
>     arch/x86/include/asm/irq.h:35:8: error: unknown type name 'bool'
>      extern bool handle_irq(unsigned irq, struct pt_regs *regs);
>             ^
>     arch/x86/include/asm/irq.h:35:45: warning: 'struct pt_regs' declared
>     inside parameter list
>      extern bool handle_irq(unsigned irq, struct pt_regs *regs);
>                                                  ^
>     arch/x86/include/asm/irq.h:35:45: warning: its scope is only this
>     definition or declaration, which is probably not what you want
>     ....
>
>    That's because of I include the <asm/irq.h> in <linux/acpi_irq.h>,
>    and <linux/acpi_irq.h> will be put on the top of all head files,
>    so use <linux/irq.h> instead of <asm/irq.h> in acpi_irq.h (in
>    <linux/irq.h>, it will include <linux/*.h> before include
>    <asm/irq.h>), this is the only update for this patch.
>
> Lorenzo will send some cleanup patches on top of this one soon.
>
> Thanks
> Hanjun
>
> Al Stone (4):
>   ARM64 / ACPI: Get RSDP and ACPI boot-time tables
>   ARM64 / ACPI: Introduce early_param "acpi=" to enable/disable ACPI
>   ARM64 / ACPI: Select ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on
>     ARM64
>   ARM64 / ACPI: additions of ACPI documentation for arm64
>
> Graeme Gregory (6):
>   ACPI: add arm64 to the platforms that use ioremap
>   ACPI / sleep: Introduce CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
>   ARM64 / ACPI: If we chose to boot from acpi then disable FDT
>   ARM64 / ACPI: Get PSCI flags in FADT for PSCI init
>   ARM64 / ACPI: Enable ARM64 in Kconfig
>   Documentation: ACPI for ARM64
>
> Hanjun Guo (10):
>   ACPI / table: Use pr_debug() instead of pr_info() for MADT table
>     scanning
>   ARM64 / ACPI: Introduce PCI stub functions for ACPI
>   ACPI / table: Print GIC information when MADT is parsed
>   ARM64 / ACPI: Parse MADT for SMP initialization
>   ACPI / processor: Introduce phys_cpuid_t for CPU hardware ID
>   ACPI / processor: Make it possible to get CPU hardware ID via GICC
>   ARM64 / ACPI: Introduce ACPI_IRQ_MODEL_GIC and register device's gsi
>   clocksource / arch_timer: Parse GTDT to initialize arch timer
>   XEN / ACPI: Make XEN ACPI depend on X86
>   ARM64 / ACPI: Don't unflatten device tree if acpi=force is passed
>
> Mark Salter (2):
>   ARM64: allow late use of early_ioremap
>   ACPI: fix acpi_os_ioremap for arm64
>
> Tomasz Nowicki (1):
>   irqchip: Add GICv2 specific ACPI boot support


On APM mustang and qemu-system-aarch64 with 'acpi=force',

Tested-by: Ming Lei <ming.lei@...onical.com>


Thanks,
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