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Date: Wed, 25 Mar 2015 17:29:10 +0000 From: Catalin Marinas <catalin.marinas@....com> To: Hanjun Guo <hanjun.guo@...aro.org> Cc: "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@...r.kernel.org, Al Stone <al.stone@...aro.org>, linux-acpi@...r.kernel.org, Mark Brown <broonie@...nel.org>, Suravee Suthikulpanit <suravee.suthikulpanit@....com>, Sudeep Holla <Sudeep.Holla@....com>, linux-arm-kernel@...ts.infradead.org Subject: Re: [patch v11 18/23] ARM64 / ACPI: Select ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on ARM64 On Tue, Mar 24, 2015 at 10:02:51PM +0800, Hanjun Guo wrote: > From: Al Stone <al.stone@...aro.org> > > ACPI reduced hardware mode is disabled by default, but ARM64 > can only run properly in ACPI hardware reduced mode, so select > ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on ARM64. > > If the firmware is not using hardware reduced ACPI mode, we > will disable ACPI to avoid nightmare such as accessing some > registers which are not available on ARM64. > > CC: Catalin Marinas <catalin.marinas@....com> > CC: Will Deacon <will.deacon@....com> > Reviewed-by: Grant Likely <grant.likely@...aro.org> > Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com> > Tested-by: Yijing Wang <wangyijing@...wei.com> > Tested-by: Mark Langsdorf <mlangsdo@...hat.com> > Tested-by: Jon Masters <jcm@...hat.com> > Tested-by: Timur Tabi <timur@...eaurora.org> > Tested-by: Robert Richter <rrichter@...ium.com> > Acked-by: Robert Richter <rrichter@...ium.com> > Signed-off-by: Al Stone <al.stone@...aro.org> > Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org> Acked-by: Catalin Marinas <catalin.marinas@....com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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