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SubjectRe: [PATCH v7 2/4] SFH: PCIe driver to add support of AMD sensor fusion hub
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On 8/10/20 2:30 PM, Sandeep Singh wrote:
> From: Sandeep Singh <sandeep.singh@amd.com>
>
> AMD SFH uses HID over PCIe bus.SFH fw is part of MP2 processor
> (MP2 which is an ARM® Cortex-M4 core based co-processor to x86) and
> it runs on MP2 where in driver resides on X86. This part of module
> will communicate with MP2 Firmware and provide that data into DRAM
>
> Signed-off-by: Nehal Shah <Nehal-bakulchandra.Shah@amd.com>
> Signed-off-by: Sandeep Singh <sandeep.singh@amd.com>
> ---
> drivers/hid/Kconfig | 2 +
> drivers/hid/Makefile | 2 +
> drivers/hid/amd-sfh-hid/Kconfig | 21 ++++
> drivers/hid/amd-sfh-hid/Makefile | 15 +++
> drivers/hid/amd-sfh-hid/amd_mp2_pcie.c | 164 +++++++++++++++++++++++++
> drivers/hid/amd-sfh-hid/amd_mp2_pcie.h | 83 +++++++++++++
> 6 files changed, 287 insertions(+)
> create mode 100644 drivers/hid/amd-sfh-hid/Kconfig
> create mode 100644 drivers/hid/amd-sfh-hid/Makefile
> create mode 100644 drivers/hid/amd-sfh-hid/amd_mp2_pcie.c
> create mode 100644 drivers/hid/amd-sfh-hid/amd_mp2_pcie.h
>

Hi,
Thanks for the update.

> diff --git a/drivers/hid/amd-sfh-hid/Kconfig b/drivers/hid/amd-sfh-hid/Kconfig
> new file mode 100644
> index 000000000000..a042048e8dd4
> --- /dev/null
> +++ b/drivers/hid/amd-sfh-hid/Kconfig
> @@ -0,0 +1,21 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +menu "AMD SFH HID support"
> + depends on X86_64 || COMPILE_TEST
> + depends on PCI
> + depends on HID
> +
> +config AMD_SFH_HID
> + tristate "AMD Sensor Fusion Hub"
> + help

Sorry I missed this in v6:

help text should be indented with one tab + 2 spaces, so all of this
should be indented an additional 2 spaces.

> + If you say yes to this option, support will be included for the AMD
> + Sensor Fusion Hub.
> + This driver will enable sensors functionality to user through HID
> + framework. Basically this driver will get data from MP2 Firmware
> + and provide that data to HID framework.
> + MP2 which is an ARM® Cortex-M4 core based co-processor to x86.
> +
> + This driver can also be built as a module. If so, the module will
> + be called amd-sfhtp-hid.
> + Say Y or M here if you want to support AMD SFH. If unsure, say N.
> +
> +endmenu

--
~Randy

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