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Message-ID: <7ceef504-085b-3146-6ca7-3f6b8ff3280a@redhat.com>
Date: Thu, 19 Aug 2021 12:52:13 +0200
From: Hans de Goede <hdegoede@...hat.com>
To: Gayatri Kammela <gayatri.kammela@...el.com>,
platform-driver-x86@...r.kernel.org, Kate Hsuan <hpa@...hat.com>
Cc: mgross@...ux.intel.com, irenic.rajneesh@...il.com,
andriy.shevchenko@...ux.intel.com, vicamo.yang@...onical.com,
srinivas.pandruvada@...el.com, david.e.box@...el.com,
chao.qin@...el.com, linux-kernel@...r.kernel.org,
tamar.mashiah@...el.com, gregkh@...uxfoundation.org,
rajatja@...gle.com, Shyam-sundar.S-k@....com,
Alexander.Deucher@....com, mlimonci@....com,
Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v7 1/5] platform/x86/intel: intel_pmc_core: Move
intel_pmc_core* files to pmc subfolder
Hi,
On 8/17/21 8:47 PM, Hans de Goede wrote:
> Hi,
>
> On 8/16/21 6:58 PM, Gayatri Kammela wrote:
>> As part of collecting Intel x86 specific drivers in their own
>> folder, move intel_pmc_core* files to its own subfolder there.
>>
>> Cc: Chao Qin <chao.qin@...el.com>
>> Cc: Srinivas Pandruvada <srinivas.pandruvada@...el.com>
>> Cc: David Box <david.e.box@...el.com>
>> Cc: You-Sheng Yang <vicamo.yang@...onical.com>
>> Cc: Hans de Goede <hdegoede@...hat.com>
>> Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
>> Acked-by: Rajneesh Bhardwaj <irenic.rajneesh@...il.com>
>> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
>> Signed-off-by: Gayatri Kammela <gayatri.kammela@...el.com>
>> ---
>> MAINTAINERS | 2 +-
>> drivers/platform/x86/Kconfig | 21 ------------------
>> drivers/platform/x86/Makefile | 1 -
>> drivers/platform/x86/intel/Kconfig | 1 +
>> drivers/platform/x86/intel/Makefile | 1 +
>> drivers/platform/x86/intel/pmc/Kconfig | 22 +++++++++++++++++++
>> drivers/platform/x86/intel/pmc/Makefile | 6 +++++
>> .../{intel_pmc_core.c => intel/pmc/core.c} | 2 +-
>> .../{intel_pmc_core.h => intel/pmc/core.h} | 0
>> .../pmc/core_platform.c} | 0
>> 10 files changed, 32 insertions(+), 24 deletions(-)
>> create mode 100644 drivers/platform/x86/intel/pmc/Kconfig
>> create mode 100644 drivers/platform/x86/intel/pmc/Makefile
>> rename drivers/platform/x86/{intel_pmc_core.c => intel/pmc/core.c} (99%)
>> rename drivers/platform/x86/{intel_pmc_core.h => intel/pmc/core.h} (100%)
>> rename drivers/platform/x86/{intel_pmc_core_pltdrv.c => intel/pmc/core_platform.c} (100%)
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index fd25e4ecf0b9..5e118faf8018 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -9477,7 +9477,7 @@ M: David E Box <david.e.box@...el.com>
>> L: platform-driver-x86@...r.kernel.org
>> S: Maintained
>> F: Documentation/ABI/testing/sysfs-platform-intel-pmc
>> -F: drivers/platform/x86/intel_pmc_core*
>> +F: drivers/platform/x86/intel/pmc/core*
>>
>> INTEL PMIC GPIO DRIVERS
>> M: Andy Shevchenko <andy@...nel.org>
>> diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
>> index d12db6c316ea..c4ee38eba44b 100644
>> --- a/drivers/platform/x86/Kconfig
>> +++ b/drivers/platform/x86/Kconfig
>> @@ -1187,27 +1187,6 @@ config INTEL_MRFLD_PWRBTN
>> To compile this driver as a module, choose M here: the module
>> will be called intel_mrfld_pwrbtn.
>>
>> -config INTEL_PMC_CORE
>> - tristate "Intel PMC Core driver"
>> - depends on PCI
>> - depends on ACPI
>> - help
>> - The Intel Platform Controller Hub for Intel Core SoCs provides access
>> - to Power Management Controller registers via various interfaces. This
>> - driver can utilize debugging capabilities and supported features as
>> - exposed by the Power Management Controller. It also may perform some
>> - tasks in the PMC in order to enable transition into the SLPS0 state.
>> - It should be selected on all Intel platforms supported by the driver.
>> -
>> - Supported features:
>> - - SLP_S0_RESIDENCY counter
>> - - PCH IP Power Gating status
>> - - LTR Ignore / LTR Show
>> - - MPHY/PLL gating status (Sunrisepoint PCH only)
>> - - SLPS0 Debug registers (Cannonlake/Icelake PCH)
>> - - Low Power Mode registers (Tigerlake and beyond)
>> - - PMC quirks as needed to enable SLPS0/S0ix
>> -
>> config INTEL_PMT_CLASS
>> tristate
>> help
>> diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
>> index 7ee369aab10d..43d36f8c36f1 100644
>> --- a/drivers/platform/x86/Makefile
>> +++ b/drivers/platform/x86/Makefile
>> @@ -128,7 +128,6 @@ obj-$(CONFIG_INTEL_UNCORE_FREQ_CONTROL) += intel-uncore-frequency.o
>> obj-$(CONFIG_INTEL_BXTWC_PMIC_TMU) += intel_bxtwc_tmu.o
>> obj-$(CONFIG_INTEL_CHTDC_TI_PWRBTN) += intel_chtdc_ti_pwrbtn.o
>> obj-$(CONFIG_INTEL_MRFLD_PWRBTN) += intel_mrfld_pwrbtn.o
>> -obj-$(CONFIG_INTEL_PMC_CORE) += intel_pmc_core.o intel_pmc_core_pltdrv.o
>
> This Makefile line will build 2 separate .ko files: intel_pmc_core.ko and
> intel_pmc_core_pltdrv.ko when CONFIG_INTEL_PMC_CORE=m
>
>> obj-$(CONFIG_INTEL_PMT_CLASS) += intel_pmt_class.o
>> obj-$(CONFIG_INTEL_PMT_TELEMETRY) += intel_pmt_telemetry.o
>> obj-$(CONFIG_INTEL_PMT_CRASHLOG) += intel_pmt_crashlog.o
>
> <snip>
>
>> diff --git a/drivers/platform/x86/intel/pmc/Makefile b/drivers/platform/x86/intel/pmc/Makefile
>> new file mode 100644
>> index 000000000000..c92e66846a4a
>> --- /dev/null
>> +++ b/drivers/platform/x86/intel/pmc/Makefile
>> @@ -0,0 +1,6 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +#
>> +
>> +obj-$(CONFIG_INTEL_PMC_CORE) += intel_pmc_core.o
>> +intel_pmc_core-objs := core.o \
>> + core_platform.o
>
> Whereas this will now build a single intel_pmc_core.ko containing both object files,
> but the 2 .c files have:
>
> module_platform_driver(pmc_core_driver);
> (which is a macro expanding to a module_init + module_exit function)
>
> resp.
>
> module_init(pmc_core_platform_init);
> module_exit(pmc_core_platform_exit);
>
> So now we have 2 module_init (and _exit) functions in a single .ko
> file and the build will fail, not good.
Kate's big intel driver rename series also had a rename patch
for the pmc_core code in there. Since that did not have this
issue I've applied that one instead (otherwise I also would have
trouble applying the rest of Kate's patch-series).
With the rename issue resolved I can apply the rest of the series
on top of Kate's rename. I will go and do that right away, so
there is no need to send a new version.
###
Thank you for your patch-series, I've applied the series to my
review-hans branch:
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans
Note it will show up in my review-hans branch once I've pushed my
local branch there, which might take a while.
Once I've run some tests on this branch the patches there will be
added to the platform-drivers-x86/for-next branch and eventually
will be included in the pdx86 pull-request to Linus for the next
merge-window.
Regards,
Hans
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