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Date: Thu, 14 Jul 2016 16:33:35 -0400 From: Paul Gortmaker <paul.gortmaker@...driver.com> To: fu.wei@...aro.org Cc: rjw@...ysocki.net, lenb@...nel.org, daniel.lezcano@...aro.org, "tglx@...utronix.de" <tglx@...utronix.de>, marc.zyngier@....com, lorenzo.pieralisi@....com, sudeep.holla@....com, hanjun.guo@...aro.org, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, linaro-acpi@...ts.linaro.org, LKML <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org, rruigrok@...eaurora.org, harba@...eaurora.org, cov@...eaurora.org, timur@...eaurora.org, graeme.gregory@...aro.org, al.stone@...aro.org, jcm@...hat.com, wei@...hat.com, Arnd Bergmann <arnd@...db.de>, wim@...ana.be, catalin.marinas@....com, will.deacon@....com, Suravee.Suthikulpanit@....com, leo.duran@....com, linux@...ck-us.net, linux-watchdog@...r.kernel.org, David Miller <davem@...emloft.net>, Andrew Morton <akpm@...ux-foundation.org>, "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, kvalo@...eaurora.org, mchehab@...nel.org, jslaby@...e.cz, christoffer.dall@...aro.org, julien.grall@....com Subject: Re: [PATCH v7 4/9] acpi/arm64: Add GTDT table parse driver On Wed, Jul 13, 2016 at 1:53 PM, <fu.wei@...aro.org> wrote: > From: Fu Wei <fu.wei@...aro.org> > > This patch adds support for parsing arch timer in GTDT, > provides some kernel APIs to parse all the PPIs and > always-on info in GTDT and export them. > > By this driver, we can simplify arm_arch_timer drivers, and > separate the ACPI GTDT knowledge from it. > > Signed-off-by: Fu Wei <fu.wei@...aro.org> > Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org> > --- > drivers/acpi/Kconfig | 5 ++ > drivers/acpi/Makefile | 1 + > drivers/acpi/arm64/Kconfig | 15 ++++ > drivers/acpi/arm64/Makefile | 1 + > drivers/acpi/arm64/acpi_gtdt.c | 170 +++++++++++++++++++++++++++++++++++++++++ > include/linux/acpi.h | 6 ++ > 6 files changed, 198 insertions(+) > > diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig > index b7e2e77..1cdc7d2 100644 > --- a/drivers/acpi/Kconfig > +++ b/drivers/acpi/Kconfig > @@ -521,4 +521,9 @@ config XPOWER_PMIC_OPREGION > > endif > > +if ARM64 > +source "drivers/acpi/arm64/Kconfig" > + > +endif > + > endif # ACPI > diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile > index 251ce85..1a94ff7 100644 > --- a/drivers/acpi/Makefile > +++ b/drivers/acpi/Makefile > @@ -99,5 +99,6 @@ obj-$(CONFIG_ACPI_EXTLOG) += acpi_extlog.o > obj-$(CONFIG_PMIC_OPREGION) += pmic/intel_pmic.o > obj-$(CONFIG_CRC_PMIC_OPREGION) += pmic/intel_pmic_crc.o > obj-$(CONFIG_XPOWER_PMIC_OPREGION) += pmic/intel_pmic_xpower.o > +obj-$(CONFIG_ARM64) += arm64/ > > video-objs += acpi_video.o video_detect.o > diff --git a/drivers/acpi/arm64/Kconfig b/drivers/acpi/arm64/Kconfig > new file mode 100644 > index 0000000..ff5c253 > --- /dev/null > +++ b/drivers/acpi/arm64/Kconfig > @@ -0,0 +1,15 @@ > +# > +# ACPI Configuration for ARM64 > +# > + > +menu "The ARM64-specific ACPI Support" > + > +config ACPI_GTDT > + bool "ACPI GTDT table Support" > + help > + GTDT (Generic Timer Description Table) provides information > + for per-processor timers and Platform (memory-mapped) timers > + for ARM platforms. Select this option to provide information > + needed for the timers init. > + > +endmenu > diff --git a/drivers/acpi/arm64/Makefile b/drivers/acpi/arm64/Makefile > new file mode 100644 > index 0000000..466de6b > --- /dev/null > +++ b/drivers/acpi/arm64/Makefile > @@ -0,0 +1 @@ > +obj-$(CONFIG_ACPI_GTDT) += acpi_gtdt.o > diff --git a/drivers/acpi/arm64/acpi_gtdt.c b/drivers/acpi/arm64/acpi_gtdt.c > new file mode 100644 > index 0000000..9ee977d > --- /dev/null > +++ b/drivers/acpi/arm64/acpi_gtdt.c > @@ -0,0 +1,170 @@ > +/* > + * ARM Specific GTDT table Support > + * > + * Copyright (C) 2016, Linaro Ltd. > + * Author: Daniel Lezcano <daniel.lezcano@...aro.org> > + * Fu Wei <fu.wei@...aro.org> > + * Hanjun Guo <hanjun.guo@...aro.org> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + */ > + > +#include <linux/acpi.h> > +#include <linux/init.h> > +#include <linux/kernel.h> > +#include <linux/module.h> Please do not use module.h in drivers that are using a bool Kconfig setting. Thanks, Paul.
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