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SubjectRe: [PATCH v7 00/11] Introduce features and debugfs/sysfs entries for MHI
On Tue, Aug 11, 2020 at 11:56:25AM +0530, Manivannan Sadhasivam wrote:
> Hi Bhaumik,
>
> On Mon, Aug 10, 2020 at 03:00:54PM -0700, Bhaumik Bhatt wrote:
> > Save hardware information from BHI.
> > Allow reading and modifying some MHI variables for debug, test, and
> > informational purposes using debugfs.
> > Read values for device specific hardware information to be used by OEMs in
> > factory testing such as serial number and PK hash using sysfs.
> >
> > This set of patches was tested on arm64 and x86.
> >
>
> Sorry for stretching the review so long. Will apply the series to mhi-next
> once v5.9-rc1 is out.

Series applied to mhi-next!

Thanks,
Mani

>
> Thanks,
> Mani
>
> > v7:
> > -Added suggested-by and reviewed-by tags
> > -Fixed nitpick on removal of M3_fast counter as it was unused
> > -Updated sysfs documentation dates and intended kernel version
> > -Fixed minor debugfs formatting by removing an extra newline character
> >
> > v6:
> > -Introduced APIs for allocating and freeing the MHI controller so as to ensure
> > that it is always zero-initialized
> > -Moved gerrits around for counter introduction
> > -Fixed documentation for sysfs
> >
> > v5:
> > -Removed the debug entry to trigger reset and will be addressed in a seperate
> > patch
> > -Added patch bus: mhi: core: Use counters to track MHI device state transitions
> > -Updated helper API to trigger a non-blocking host resume
> > -Minor nitpicks also fixed
> >
> > v4:
> > -Removed bus: mhi: core: Introduce independent voting mechanism patch
> > -Removed bus vote function from debugfs due to independent voting removal
> > -Added helper resume APIs to aid consolidation of spread out code
> > -Added a clean-up patch and a missing host resume in voting API
> >
> > v3:
> > -Add patch to check for pending packets in suspend as a dependency for the
> > independent voting mechanism introduction
> > -Include register dump entry for debugfs to dump MHI, BHI, and BHIe registers
> > -Update commit message for the debugfs patch
> > -Updated Documentation/ABI with the required info for sysfs
> > -Updated debugfs patch to include a new KConfig entry and dependencies
> > -Updated reviewed-by for some patches
> >
> > v2:
> > -Added a new debugfs.c file for specific debugfs entries and code
> > -Updated commit text and addressed some comments for voting change
> > -Made sure sysfs is only used for serial number and OEM PK hash usage
> >
> > Bhaumik Bhatt (11):
> > bus: mhi: core: Remove double occurrence for mhi_ctrl_ev_task()
> > declaration
> > bus: mhi: core: Abort suspends due to outgoing pending packets
> > bus: mhi: core: Use helper API to trigger a non-blocking host resume
> > bus: mhi: core: Trigger host resume if suspended during
> > mhi_device_get()
> > bus: mhi: core: Use generic name field for an MHI device
> > bus: mhi: core: Introduce helper function to check device state
> > bus: mhi: core: Introduce counters to track MHI device state
> > transitions
> > bus: mhi: core: Introduce debugfs entries for MHI
> > bus: mhi: core: Read and save device hardware information from BHI
> > bus: mhi: core: Introduce APIs to allocate and free the MHI controller
> > bus: mhi: core: Introduce sysfs entries for MHI
> >
> > Documentation/ABI/stable/sysfs-bus-mhi | 21 ++
> > MAINTAINERS | 1 +
> > drivers/bus/mhi/Kconfig | 8 +
> > drivers/bus/mhi/core/Makefile | 5 +-
> > drivers/bus/mhi/core/boot.c | 17 +-
> > drivers/bus/mhi/core/debugfs.c | 409 +++++++++++++++++++++++++++++++++
> > drivers/bus/mhi/core/init.c | 81 ++++++-
> > drivers/bus/mhi/core/internal.h | 37 ++-
> > drivers/bus/mhi/core/main.c | 27 +--
> > drivers/bus/mhi/core/pm.c | 26 ++-
> > include/linux/mhi.h | 30 ++-
> > 11 files changed, 623 insertions(+), 39 deletions(-)
> > create mode 100644 Documentation/ABI/stable/sysfs-bus-mhi
> > create mode 100644 drivers/bus/mhi/core/debugfs.c
> >
> > --
> > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> > a Linux Foundation Collaborative Project
> >

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