From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> To: Jeremy Linton <jeremy.linton@arm.com> Cc: linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, sudeep.holla@arm.com, hanjun.guo@linaro.org, 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 Subject: Re: [PATCH v3 2/7] ACPI: Enable PPTT support on ARM64 Date: Thu, 19 Oct 2017 10:12:50 +0100 [thread overview] Message-ID: <20171019091250.GA17450@red-moon> (raw) In-Reply-To: <889154d0-ed39-1621-83ee-1084674ee963@arm.com> On Wed, Oct 18, 2017 at 12:38:46PM -0500, Jeremy Linton wrote: > On 10/18/2017 11:47 AM, Lorenzo Pieralisi wrote: > >On Thu, Oct 12, 2017 at 02:48:51PM -0500, Jeremy Linton wrote: > >>Now that we have a PPTT parser, in preparation for its use > >>on arm64, lets build it. > >> > >>Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> > >>--- > >> arch/arm64/Kconfig | 1 + > >> drivers/acpi/Makefile | 1 + > >> drivers/acpi/arm64/Kconfig | 3 +++ > >> 3 files changed, 5 insertions(+) > >> > >>diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > >>index 0df64a6a56d4..68c9d1289735 100644 > >>--- a/arch/arm64/Kconfig > >>+++ b/arch/arm64/Kconfig > >>@@ -7,6 +7,7 @@ config ARM64 > >> select ACPI_REDUCED_HARDWARE_ONLY if ACPI > >> select ACPI_MCFG if ACPI > >> select ACPI_SPCR_TABLE if ACPI > >>+ select ACPI_PPTT if ACPI > >> select ARCH_CLOCKSOURCE_DATA > >> select ARCH_HAS_DEBUG_VIRTUAL > >> select ARCH_HAS_DEVMEM_IS_ALLOWED > >>diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile > >>index 90265ab4437a..c92a0c937551 100644 > >>--- a/drivers/acpi/Makefile > >>+++ b/drivers/acpi/Makefile > >>@@ -85,6 +85,7 @@ obj-$(CONFIG_ACPI_BGRT) += bgrt.o > >> obj-$(CONFIG_ACPI_CPPC_LIB) += cppc_acpi.o > >> obj-$(CONFIG_ACPI_SPCR_TABLE) += spcr.o > >> obj-$(CONFIG_ACPI_DEBUGGER_USER) += acpi_dbg.o > >>+obj-$(CONFIG_ACPI_PPTT) += pptt.o > >> # processor has its own "processor." module_param namespace > >> processor-y := processor_driver.o > >>diff --git a/drivers/acpi/arm64/Kconfig b/drivers/acpi/arm64/Kconfig > >>index 5a6f80fce0d6..74b855a669ea 100644 > >>--- a/drivers/acpi/arm64/Kconfig > >>+++ b/drivers/acpi/arm64/Kconfig > >>@@ -7,3 +7,6 @@ config ACPI_IORT > >> config ACPI_GTDT > >> bool > >>+ > >>+config ACPI_PPTT > >>+ bool > >>\ No newline at end of file > > > >I do not understand the logic. Why should we have a Kconfig option > >in drivers/acpi/arm64 for code in drivers/acpi ? > > > >AFAIK PPTT is not an ACPI ARM64 specific binding. > > Weird hu? Originally I had the whole shebang in arm64 because the > x86 (or whatever) bindings have not been written. My assumption is > that once that part had been provided it could be moved. Which part ? I asked because AFAICS the bindings are completely generic (and are meant to be so). > The config is sort of an artifact and "easier" to move than the > whole file. But, as Hanjun has also been complaining about it I've > agreed to move it to the "correct" location but keep it in the arm64 > wrapper. Of course I think that is a bit strange too, but > whatever... I do not want to cavil but either you have Kconfig and code in drivers/acpi or drivers/acpi/arm64 - I would not understand a mix of the two. To reiterate the point, PPTT is not an ARM64 specific binding so IMO it does not belong in drivers/acpi/arm64. > Once the arm64 side of things are all wrapped up (and I can come up > for some air) I willing to help with bindings on other architectures > if anyone is truly interested. But, I view that whole exercise as > more a "bug" fixing one than providing any real benefit at this > point. Please define "bindings on other architectures" because I do not understand what you mean. Thanks, Lorenzo
WARNING: multiple messages have this Message-ID (diff)
From: lorenzo.pieralisi@arm.com (Lorenzo Pieralisi) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 2/7] ACPI: Enable PPTT support on ARM64 Date: Thu, 19 Oct 2017 10:12:50 +0100 [thread overview] Message-ID: <20171019091250.GA17450@red-moon> (raw) In-Reply-To: <889154d0-ed39-1621-83ee-1084674ee963@arm.com> On Wed, Oct 18, 2017 at 12:38:46PM -0500, Jeremy Linton wrote: > On 10/18/2017 11:47 AM, Lorenzo Pieralisi wrote: > >On Thu, Oct 12, 2017 at 02:48:51PM -0500, Jeremy Linton wrote: > >>Now that we have a PPTT parser, in preparation for its use > >>on arm64, lets build it. > >> > >>Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> > >>--- > >> arch/arm64/Kconfig | 1 + > >> drivers/acpi/Makefile | 1 + > >> drivers/acpi/arm64/Kconfig | 3 +++ > >> 3 files changed, 5 insertions(+) > >> > >>diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > >>index 0df64a6a56d4..68c9d1289735 100644 > >>--- a/arch/arm64/Kconfig > >>+++ b/arch/arm64/Kconfig > >>@@ -7,6 +7,7 @@ config ARM64 > >> select ACPI_REDUCED_HARDWARE_ONLY if ACPI > >> select ACPI_MCFG if ACPI > >> select ACPI_SPCR_TABLE if ACPI > >>+ select ACPI_PPTT if ACPI > >> select ARCH_CLOCKSOURCE_DATA > >> select ARCH_HAS_DEBUG_VIRTUAL > >> select ARCH_HAS_DEVMEM_IS_ALLOWED > >>diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile > >>index 90265ab4437a..c92a0c937551 100644 > >>--- a/drivers/acpi/Makefile > >>+++ b/drivers/acpi/Makefile > >>@@ -85,6 +85,7 @@ obj-$(CONFIG_ACPI_BGRT) += bgrt.o > >> obj-$(CONFIG_ACPI_CPPC_LIB) += cppc_acpi.o > >> obj-$(CONFIG_ACPI_SPCR_TABLE) += spcr.o > >> obj-$(CONFIG_ACPI_DEBUGGER_USER) += acpi_dbg.o > >>+obj-$(CONFIG_ACPI_PPTT) += pptt.o > >> # processor has its own "processor." module_param namespace > >> processor-y := processor_driver.o > >>diff --git a/drivers/acpi/arm64/Kconfig b/drivers/acpi/arm64/Kconfig > >>index 5a6f80fce0d6..74b855a669ea 100644 > >>--- a/drivers/acpi/arm64/Kconfig > >>+++ b/drivers/acpi/arm64/Kconfig > >>@@ -7,3 +7,6 @@ config ACPI_IORT > >> config ACPI_GTDT > >> bool > >>+ > >>+config ACPI_PPTT > >>+ bool > >>\ No newline at end of file > > > >I do not understand the logic. Why should we have a Kconfig option > >in drivers/acpi/arm64 for code in drivers/acpi ? > > > >AFAIK PPTT is not an ACPI ARM64 specific binding. > > Weird hu? Originally I had the whole shebang in arm64 because the > x86 (or whatever) bindings have not been written. My assumption is > that once that part had been provided it could be moved. Which part ? I asked because AFAICS the bindings are completely generic (and are meant to be so). > The config is sort of an artifact and "easier" to move than the > whole file. But, as Hanjun has also been complaining about it I've > agreed to move it to the "correct" location but keep it in the arm64 > wrapper. Of course I think that is a bit strange too, but > whatever... I do not want to cavil but either you have Kconfig and code in drivers/acpi or drivers/acpi/arm64 - I would not understand a mix of the two. To reiterate the point, PPTT is not an ARM64 specific binding so IMO it does not belong in drivers/acpi/arm64. > Once the arm64 side of things are all wrapped up (and I can come up > for some air) I willing to help with bindings on other architectures > if anyone is truly interested. But, I view that whole exercise as > more a "bug" fixing one than providing any real benefit at this > point. Please define "bindings on other architectures" because I do not understand what you mean. Thanks, Lorenzo
next prev parent reply other threads:[~2017-10-19 9:12 UTC|newest] Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-10-12 19:48 [PATCH v3 0/7] Support PPTT for ARM64 Jeremy Linton 2017-10-12 19:48 ` Jeremy Linton 2017-10-12 19:48 ` [PATCH v3 1/7] ACPI/PPTT: Add Processor Properties Topology Table parsing Jeremy Linton 2017-10-12 19:48 ` Jeremy Linton 2017-10-13 9:56 ` Julien Thierry 2017-10-13 9:56 ` Julien Thierry 2017-10-13 22:41 ` Jeremy Linton 2017-10-13 22:41 ` Jeremy Linton 2017-10-13 14:23 ` tn 2017-10-13 14:23 ` tn 2017-10-13 19:58 ` Jeremy Linton 2017-10-13 19:58 ` Jeremy Linton 2017-10-16 14:24 ` John Garry 2017-10-16 14:24 ` John Garry 2017-10-16 14:24 ` John Garry 2017-10-17 13:25 ` Tomasz Nowicki 2017-10-17 13:25 ` Tomasz Nowicki 2017-10-17 15:22 ` Jeremy Linton 2017-10-17 15:22 ` Jeremy Linton 2017-10-18 1:10 ` Xiongfeng Wang 2017-10-18 1:10 ` Xiongfeng Wang 2017-10-18 1:10 ` Xiongfeng Wang 2017-10-18 5:39 ` Tomasz Nowicki 2017-10-18 5:39 ` Tomasz Nowicki 2017-10-18 10:24 ` Tomasz Nowicki 2017-10-18 10:24 ` Tomasz Nowicki 2017-10-18 17:30 ` Jeremy Linton 2017-10-18 17:30 ` Jeremy Linton 2017-10-19 5:18 ` Tomasz Nowicki 2017-10-19 5:18 ` Tomasz Nowicki 2017-10-19 10:25 ` John Garry 2017-10-19 10:25 ` John Garry 2017-10-19 10:25 ` John Garry 2017-10-27 5:21 ` Tomasz Nowicki 2017-10-27 5:21 ` Tomasz Nowicki 2017-10-19 14:24 ` Jeremy Linton 2017-10-19 14:24 ` Jeremy Linton 2017-10-19 10:22 ` Lorenzo Pieralisi 2017-10-19 10:22 ` Lorenzo Pieralisi 2017-10-19 15:43 ` Jeremy Linton 2017-10-19 15:43 ` Jeremy Linton 2017-10-20 10:15 ` Lorenzo Pieralisi 2017-10-20 10:15 ` Lorenzo Pieralisi 2017-10-20 19:53 ` Christ, Austin 2017-10-20 19:53 ` Christ, Austin 2017-10-23 21:14 ` Jeremy Linton 2017-10-23 21:14 ` Jeremy Linton 2017-10-12 19:48 ` [PATCH v3 2/7] ACPI: Enable PPTT support on ARM64 Jeremy Linton 2017-10-12 19:48 ` Jeremy Linton 2017-10-12 19:48 ` Jeremy Linton 2017-10-13 9:53 ` Hanjun Guo 2017-10-13 9:53 ` Hanjun Guo 2017-10-13 9:53 ` Hanjun Guo 2017-10-13 17:51 ` Jeremy Linton 2017-10-13 17:51 ` Jeremy Linton 2017-10-18 16:47 ` Lorenzo Pieralisi 2017-10-18 16:47 ` Lorenzo Pieralisi 2017-10-18 17:38 ` Jeremy Linton 2017-10-18 17:38 ` Jeremy Linton 2017-10-19 9:12 ` Lorenzo Pieralisi [this message] 2017-10-19 9:12 ` Lorenzo Pieralisi 2017-10-12 19:48 ` [PATCH v3 3/7] drivers: base: cacheinfo: arm64: Add support for ACPI based firmware tables Jeremy Linton 2017-10-12 19:48 ` Jeremy Linton 2017-10-19 15:20 ` Lorenzo Pieralisi 2017-10-19 15:20 ` Lorenzo Pieralisi 2017-10-19 15:52 ` Jeremy Linton 2017-10-19 15:52 ` Jeremy Linton 2017-10-12 19:48 ` [PATCH v3 4/7] Topology: Add cluster on die macros and arm64 decoding Jeremy Linton 2017-10-12 19:48 ` Jeremy Linton 2017-10-12 19:48 ` [PATCH v3 5/7] arm64: Fixup users of topology_physical_package_id Jeremy Linton 2017-10-12 19:48 ` Jeremy Linton 2017-10-12 19:48 ` [PATCH v3 6/7] arm64: topology: Enable ACPI/PPTT based CPU topology Jeremy Linton 2017-10-12 19:48 ` Jeremy Linton 2017-10-19 15:56 ` Lorenzo Pieralisi 2017-10-19 15:56 ` Lorenzo Pieralisi 2017-10-19 16:13 ` Jeremy Linton 2017-10-19 16:13 ` Jeremy Linton 2017-10-20 9:14 ` Lorenzo Pieralisi 2017-10-20 9:14 ` Lorenzo Pieralisi 2017-10-20 16:14 ` Jeremy Linton 2017-10-20 16:14 ` Jeremy Linton 2017-10-20 16:42 ` Sudeep Holla 2017-10-20 16:42 ` Sudeep Holla 2017-10-20 19:55 ` Jeffrey Hugo 2017-10-20 19:55 ` Jeffrey Hugo 2017-10-23 21:26 ` Jeremy Linton 2017-10-23 21:26 ` Jeremy Linton 2017-10-19 16:54 ` Jeremy Linton 2017-10-19 16:54 ` Jeremy Linton 2017-10-20 9:22 ` Lorenzo Pieralisi 2017-10-20 9:22 ` Lorenzo Pieralisi 2017-11-01 20:29 ` Al Stone 2017-11-01 20:29 ` Al Stone 2017-11-02 10:48 ` Lorenzo Pieralisi 2017-11-02 10:48 ` Lorenzo Pieralisi 2017-10-12 19:48 ` [PATCH v3 7/7] ACPI: Add PPTT to injectable table list Jeremy Linton 2017-10-12 19:48 ` Jeremy Linton 2017-10-13 11:08 ` [PATCH v3 0/7] Support PPTT for ARM64 John Garry 2017-10-13 11:08 ` John Garry 2017-10-13 11:08 ` John Garry 2017-10-13 19:34 ` Jeremy Linton 2017-10-13 19:34 ` Jeremy Linton 2017-10-31 12:46 ` Jon Masters 2017-10-31 12:46 ` Jon Masters
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