Re: [PATCH v5 0/4] user space client interface driver

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Hi Jeff and Mani,
On 8/5/20 11:40 PM, Hemant Kumar wrote:
V5:
- Removed mhi_uci_drv structure.
- Used idr instead of creating global list of uci devices.
- Used kref instead of local ref counting for uci device and
   open count.
- Removed unlikely macro.

V4:
- Fix locking to protect proper struct members.
- Updated documentation describing uci client driver use cases.
- Fixed uci ref counting in mhi_uci_open for error case.
- Addressed style related review comments.

V3: Added documentation for MHI UCI driver.

V2: Added mutex lock to prevent multiple readers to access same
mhi buffer which can result into use after free.

Hemant Kumar (4):
   bus: mhi: core: Add helper API to return number of free TREs
   bus: mhi: core: Move MHI_MAX_MTU to external header file
   docs: Add documentation for userspace client interface
   bus: mhi: clients: Add userspace client interface driver

  Documentation/mhi/index.rst      |   1 +
  Documentation/mhi/uci.rst        |  39 +++
  drivers/bus/mhi/Kconfig          |   6 +
  drivers/bus/mhi/Makefile         |   1 +
  drivers/bus/mhi/clients/Kconfig  |  15 +
  drivers/bus/mhi/clients/Makefile |   3 +
  drivers/bus/mhi/clients/uci.c    | 662 +++++++++++++++++++++++++++++++++++++++
  drivers/bus/mhi/core/internal.h  |   1 -
  drivers/bus/mhi/core/main.c      |  12 +
  include/linux/mhi.h              |  12 +
  10 files changed, 751 insertions(+), 1 deletion(-)
  create mode 100644 Documentation/mhi/uci.rst
  create mode 100644 drivers/bus/mhi/clients/Kconfig
  create mode 100644 drivers/bus/mhi/clients/Makefile
  create mode 100644 drivers/bus/mhi/clients/uci.c


Could you please review my changes on V5? I tried addressing Greg's comment and would need help getting it reviewed from other contributors to MHI driver as well.

Thanks,
Hemant
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project



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