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

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Message-ID: <5512B04C.30401@huawei.com>
Date:	Wed, 25 Mar 2015 20:55:40 +0800
From:	Hanjun Guo <guohanjun@...wei.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Hanjun Guo <hanjun.guo@...aro.org>
CC:	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Olof Johansson <olof@...om.net>,
	Grant Likely <grant.likely@...aro.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Mark Rutland <mark.rutland@....com>,
	"Graeme Gregory" <graeme.gregory@...aro.org>,
	Sudeep Holla <Sudeep.Holla@....com>,
	"Jon Masters" <jcm@...hat.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Mark Brown <broonie@...nel.org>,
	Robert Richter <rric@...nel.org>,
	Timur Tabi <timur@...eaurora.org>,
	Ashwin Chaugule <ashwinc@...eaurora.org>,
	"Suravee Suthikulpanit" <suravee.suthikulpanit@....com>,
	Mark Salter <msalter@...hat.com>, <linux-acpi@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linaro-acpi@...ts.linaro.org>
Subject: Re: [patch v11 00/23] Introduce ACPI for ARM64 based on ACPI 5.1

On 2015/3/25 7:04, Rafael J. Wysocki wrote:
> On Tuesday, March 24, 2015 10:02:33 PM Hanjun Guo 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
> OK, so I don't think there's anything more I need to ACK in this series, so
> it is now up to the maintainers of ARM64 and the other subsystems involved
> to decide whether or not to apply it.
>
> If you need to change any patches that I've already ACKed, please let me know,
> but otherwise I'm not going to look at this series any more unless specifically
> requested.

OK, thank you very much!

Hanjun

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