From: Hans de Goede <hdegoede@redhat.com>
To: Gayatri Kammela <gayatri.kammela@intel.com>,
platform-driver-x86@vger.kernel.org
Cc: mgross@linux.intel.com, irenic.rajneesh@gmail.com,
andriy.shevchenko@linux.intel.com, vicamo.yang@canonical.com,
srinivas.pandruvada@intel.com, david.e.box@intel.com,
chao.qin@intel.com, linux-kernel@vger.kernel.org,
tamar.mashiah@intel.com, gregkh@linuxfoundation.org,
rajatja@google.com, Shyam-sundar.S-k@amd.com,
Alexander.Deucher@amd.com, mlimonci@amd.com,
Andy Shevchenko <andy.shevchenko@gmail.com>
Subject: Re: [PATCH v7 1/5] platform/x86/intel: intel_pmc_core: Move intel_pmc_core* files to pmc subfolder
Date: Tue, 17 Aug 2021 20:47:23 +0200 [thread overview]
Message-ID: <c07aa6a9-2cf9-db15-bf8c-9e6ac536a521@redhat.com> (raw)
In-Reply-To: <81b6292e50af54fb7eeabfefde6f4a3d283b0b96.1629091915.git.gayatri.kammela@intel.com>
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@intel.com>
> Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
> Cc: David Box <david.e.box@intel.com>
> Cc: You-Sheng Yang <vicamo.yang@canonical.com>
> Cc: Hans de Goede <hdegoede@redhat.com>
> Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Acked-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.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@intel.com>
> L: platform-driver-x86@vger.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@kernel.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.
Also instead of "intel_pmc_core-objs :=" you should use "intel_pmc_core-y :="
And this series is based on 5.14-rc6, causing it to not apply
because the pmt driver has already been moved to
drivers/platform/x86 and this patch is using a base which
is missing that move.
pdx86 patches should be based on:
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans
Please make sure the next version is based on my review-hans branch,
there are some other intel driver renames in flight (and e.g. the
pmt one has already landed) and I would like to be able to apply
this without needing to manually resolve conflicts.
Regards,
Hans
> diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel/pmc/core.c
> similarity index 99%
> rename from drivers/platform/x86/intel_pmc_core.c
> rename to drivers/platform/x86/intel/pmc/core.c
> index b0e486a6bdfb..f9de78b08e5d 100644
> --- a/drivers/platform/x86/intel_pmc_core.c
> +++ b/drivers/platform/x86/intel/pmc/core.c
> @@ -31,7 +31,7 @@
> #include <asm/msr.h>
> #include <asm/tsc.h>
>
> -#include "intel_pmc_core.h"
> +#include "core.h"
>
> #define ACPI_S0IX_DSM_UUID "57a6512e-3979-4e9d-9708-ff13b2508972"
> #define ACPI_GET_LOW_MODE_REGISTERS 1
> diff --git a/drivers/platform/x86/intel_pmc_core.h b/drivers/platform/x86/intel/pmc/core.h
> similarity index 100%
> rename from drivers/platform/x86/intel_pmc_core.h
> rename to drivers/platform/x86/intel/pmc/core.h
> diff --git a/drivers/platform/x86/intel_pmc_core_pltdrv.c b/drivers/platform/x86/intel/pmc/core_platform.c
> similarity index 100%
> rename from drivers/platform/x86/intel_pmc_core_pltdrv.c
> rename to drivers/platform/x86/intel/pmc/core_platform.c
>
next prev parent reply other threads:[~2021-08-17 18:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-16 16:58 [PATCH v7 0/5] Add Alder Lake PCH-S support to PMC core driver Gayatri Kammela
2021-08-16 16:58 ` [PATCH v7 1/5] platform/x86/intel: intel_pmc_core: Move intel_pmc_core* files to pmc subfolder Gayatri Kammela
2021-08-16 19:31 ` Andy Shevchenko
2021-08-16 20:51 ` Kammela, Gayatri
2021-08-17 18:47 ` Hans de Goede [this message]
2021-08-19 10:52 ` Hans de Goede
2021-08-16 16:58 ` [PATCH v7 2/5] platform/x86/intel: pmc/core: Add Alderlake support to pmc core driver Gayatri Kammela
2021-08-16 16:58 ` [PATCH v7 3/5] platform/x86/intel: pmc/core: Add Latency Tolerance Reporting (LTR) support to Alder Lake Gayatri Kammela
2021-08-16 16:58 ` [PATCH v7 4/5] platform/x86/intel: pmc/core: Add Alder Lake low power mode support for pmc core Gayatri Kammela
2021-08-16 16:58 ` [PATCH v7 5/5] platform/x86/intel: pmc/core: Add GBE Package C10 fix for Alder Lake PCH Gayatri Kammela
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