Re: [PATCH v8 01/19] platform/x86: intel_scu_ipc: Split out SCU IPC functionality from the SCU driver

From: Lee Jones
Date: Fri Mar 20 2020 - 09:35:22 EST


On Tue, 03 Mar 2020, Mika Westerberg wrote:

> The SCU IPC functionality is usable outside of Intel MID devices. For
> example modern Intel CPUs include the same thing but now it is called
> PMC (Power Management Controller) instead of SCU. To make the IPC
> available for those split the driver into core part (intel_scu_ipc.c)
> and the SCU PCI driver part (intel_scu_pcidrv.c) which then calls the
> former before it goes and creates rest of the SCU devices. The SCU IPC
> will also register a new class that gets assigned to the device that is
> created under the parent PCI device.
>
> We also split the Kconfig symbols so that INTEL_SCU_IPC enables the SCU
> IPC library and INTEL_SCU_PCI the SCU driver and convert the users
> accordingly. While there remove default y from the INTEL_SCU_PCI symbol
> as it is already selected by X86_INTEL_MID.
>
> Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> arch/x86/Kconfig | 2 +-
> arch/x86/include/asm/intel_scu_ipc.h | 18 +++

> drivers/mfd/Kconfig | 4 +-

For my own reference:
Acked-for-MFD-by: Lee Jones <lee.jones@xxxxxxxxxx>

> drivers/platform/x86/Kconfig | 24 ++--
> drivers/platform/x86/Makefile | 1 +
> drivers/platform/x86/intel_scu_ipc.c | 172 ++++++++++++++++--------
> drivers/platform/x86/intel_scu_pcidrv.c | 55 ++++++++
> 7 files changed, 208 insertions(+), 68 deletions(-)
> create mode 100644 drivers/platform/x86/intel_scu_pcidrv.c

--
Lee Jones [æçæ]
Linaro Services Technical Lead
Linaro.org â Open source software for ARM SoCs
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