From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudeep Holla Subject: Re: [PATCH v4 3/9] arm64/acpi: Create arch specific cpu to acpi id helper Date: Mon, 20 Nov 2017 17:06:35 +0000 Message-ID: <20171120170634.GB31395@e107155-lin> References: <20171109210311.25655-1-jeremy.linton@arm.com> <20171109210311.25655-4-jeremy.linton@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:60166 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751577AbdKTRGl (ORCPT ); Mon, 20 Nov 2017 12:06:41 -0500 Content-Disposition: inline In-Reply-To: <20171109210311.25655-4-jeremy.linton@arm.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Jeremy Linton Cc: linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, hanjun.guo@linaro.org, lorenzo.pieralisi@arm.com, rjw@rjwysocki.net, will.deacon@arm.com, catalin.marinas@arm.com, gregkh@linuxfoundation.org, viresh.kumar@linaro.org, mark.rutland@arm.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, jhugo@codeaurora.org, wangxiongfeng2@huawei.com, Jonathan.Zhang@cavium.com, ahs3@redhat.com, Jayachandran.Nair@cavium.com, austinwc@codeaurora.org, lenb@kernel.org, robert.moore@intel.com, lv.zheng@intel.com, devel@acpica.org, Sudeep Holla On Thu, Nov 09, 2017 at 03:03:05PM -0600, Jeremy Linton wrote: > Its helpful to be able to lookup the acpi_processor_id > associated with a logical cpu. Provide an arm64 > helper to do this. > > Signed-off-by: Jeremy Linton > --- > arch/arm64/include/asm/acpi.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h > index 59cca1d6ec54..408e7989d3a2 100644 > --- a/arch/arm64/include/asm/acpi.h > +++ b/arch/arm64/include/asm/acpi.h > @@ -86,6 +86,10 @@ static inline bool acpi_has_cpu_in_madt(void) > } > > struct acpi_madt_generic_interrupt *acpi_cpu_get_madt_gicc(int cpu); > +static inline u32 get_acpi_id_for_cpu(unsigned int cpu) > +{ > + return acpi_cpu_get_madt_gicc(cpu)->uid; > +} If I followed the series correctly, this function is used in 2/9 already. So this needs to be moved down in the series to avoid build failure during bisection. -- Regards, Sudeep