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