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Date: Fri, 29 May 2020 17:21:17 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Sandeep Singh <Sandeep.Singh@....com>
Cc: Jiri Kosina <jikos@...nel.org>,
Benjamin Tissoires <benjamin.tissoires@...hat.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-input <linux-input@...r.kernel.org>,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
Jonathan Cameron <jic23@...nel.org>,
linux-iio <linux-iio@...r.kernel.org>,
Hans de Goede <hdegoede@...hat.com>,
"Shah, Nehal-bakulchandra" <Nehal-bakulchandra.Shah@....com>,
Richard Neumann <mail@...hard-neumann.de>,
Shyam-sundar.S-k@....com
Subject: Re: [PATCH v5 0/4] SFH: Add Support for AMD Sensor Fusion Hub
On Fri, May 29, 2020 at 4:42 PM Sandeep Singh <Sandeep.Singh@....com> wrote:
>
> From: Sandeep Singh <sandeep.singh@....com>
>
> AMD SFH(Sensor Fusion Hub) is HID based driver.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.The driver functionalities are
> divided into three parts:-
>
> 1: amd-mp2-pcie:- This module will communicate with MP2 FW and
> provide that data into DRAM.
> 2: Client driver :- This part for driver will use dram data and
> convert that data into HID format based on
> HID reports.
> 3: Transport driver :- This part of driver will communicate with
> HID core. Communication between devices and
> HID core is mostly done via HID reports
>
> In terms of architecture it is much more reassembles like
> ISH(Intel Integrated Sensor Hub). However the major difference
> is all the hid reports are generated as part of kernel driver.
> AMD SFH driver taken reference from ISH in terms of
> design and functionalities at fewer location.
>
> AMD sensor fusion Hub is part of a SOC 17h family based platforms.
> The solution is working well on several OEM products.
> AMD SFH uses HID over PCIe bus.
>
I can't believe this is fifth version.
Guys, you have to do much more work on these drivers.
> Sandeep Singh (4):
> SFH: Add maintainers and documentation for AMD SFH based on HID
> framework
> SFH: PCI driver to add support of AMD sensor fusion Hub using HID
> framework
> SFH: Transport Driver to add support of AMD Sensor Fusion Hub (SFH)
> SFH: Create HID report to Enable support of AMD sensor fusion Hub
> (SFH)
>
> Changes since v1:
> -Fix auto build test warnings
> -Fix warnings captured using smatch
> -Changes suggested by Dan Carpenter
>
> Links of the review comments for v1:
> [1] https://patchwork.kernel.org/patch/11325163/
> [2] https://patchwork.kernel.org/patch/11325167/
> [3] https://patchwork.kernel.org/patch/11325171/
> [4] https://patchwork.kernel.org/patch/11325187/
>
>
> Changes since v2:
> -Debugfs divided into another patch
> -Fix some cosmetic changes
> -Fix for review comments
> Reported and Suggested by:- Srinivas Pandruvada
>
> Links of the review comments for v2:
> [1] https://patchwork.kernel.org/patch/11355491/
> [2] https://patchwork.kernel.org/patch/11355495/
> [3] https://patchwork.kernel.org/patch/11355499/
> [4] https://patchwork.kernel.org/patch/11355503/
>
>
> Changes since v3:
> -removed debugfs suggested by - Benjamin Tissoires
>
> Links of the review comments for v3:
> [1] https://lkml.org/lkml/2020/2/11/1256
> [2] https://lkml.org/lkml/2020/2/11/1257
> [3] https://lkml.org/lkml/2020/2/11/1258
> [4] https://lkml.org/lkml/2020/2/11/1259
> [5] https://lkml.org/lkml/2020/2/11/1260
>
>
> Changes since v4:
> - Rework done based on review comments by - Andy Shevchenko
> - changes done based on suggested by -Richard Neumann
>
> Links of the review comments for v4:
> [1] https://lkml.org/lkml/2020/2/26/1360
> [2] https://lkml.org/lkml/2020/2/26/1361
> [3] https://lkml.org/lkml/2020/2/26/1362
> [4] https://lkml.org/lkml/2020/2/26/1363
> [5] https://lkml.org/lkml/2020/2/27/1
>
>
> Sandeep Singh (4):
> SFH: Add maintainers and documentation for AMD SFH based on HID
> framework
> SFH: PCI driver to add support of AMD sensor fusion Hub using HID
> framework
> SFH: Transport Driver to add support of AMD Sensor Fusion Hub (SFH
> SFH: Create HID report to Enable support of AMD sensor fusion Hub
> (SFH)
>
> Documentation/hid/amd-sfh-hid.rst | 160 +++++
> MAINTAINERS | 8 +
> drivers/hid/Kconfig | 2 +
> drivers/hid/Makefile | 1 +
> drivers/hid/amd-sfh-hid/Kconfig | 21 +
> drivers/hid/amd-sfh-hid/Makefile | 16 +
> drivers/hid/amd-sfh-hid/amd_mp2_pcie.c | 196 +++++++
> drivers/hid/amd-sfh-hid/amd_mp2_pcie.h | 137 +++++
> drivers/hid/amd-sfh-hid/amdsfh-hid-client.c | 256 ++++++++
> drivers/hid/amd-sfh-hid/amdsfh-hid.c | 179 ++++++
> drivers/hid/amd-sfh-hid/amdsfh-hid.h | 84 +++
> .../hid_descriptor/amd_sfh_hid_descriptor.c | 251 ++++++++
> .../hid_descriptor/amd_sfh_hid_descriptor.h | 125 ++++
> .../hid_descriptor/amd_sfh_hid_report_descriptor.h | 642 +++++++++++++++++++++
> 14 files changed, 2078 insertions(+)
> create mode 100644 Documentation/hid/amd-sfh-hid.rst
> 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
> create mode 100644 drivers/hid/amd-sfh-hid/amdsfh-hid-client.c
> create mode 100644 drivers/hid/amd-sfh-hid/amdsfh-hid.c
> create mode 100644 drivers/hid/amd-sfh-hid/amdsfh-hid.h
> create mode 100644 drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_descriptor.c
> create mode 100644 drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_descriptor.h
> create mode 100644 drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_descriptor.h
>
> --
> 2.7.4
>
--
With Best Regards,
Andy Shevchenko
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