APPLIED: [SRU][F/intel][PULL] WWAN upstream stable patchset
Kelsey Skunberg
kelsey.skunberg at canonical.com
Tue Jun 22 19:22:25 UTC 2021
applied to Focal/intel master-next. thank you!
-Kelsey
On 2021-06-16 19:02:04 , chris.chiu at canonical.com wrote:
> From: Chris Chiu <chris.chiu at canonical.com>
>
> BugLink: https://bugs.launchpad.net/bugs/1932124
>
> [Impact]
> The Quectel SDX24 EM160R-GL 4G LTE CAT16 PCIE Modem and Foxconn SDX55 T99W175 5G sub6 PCIE Modem are not supported in 5.11 kernel yet. The new WWAN framework and driver support are required to be backported to detect and control the new WWAN modules.
>
> [Fix]
> Backport the WWAN framework and drivers support from mainline kernel 5.13.
>
> [Test Case]
> Verify whether the Quectel/Foxconn WWAN module are detected or not. And use either `mmcli` commands or NetworkSettings Panel to test the connection.
>
> [Where problem could occur]
> Since the WWAN framework is totally new which makes use of the existing MHI
> bus drivers and protocols, it should be compatible with old WWAN
> modules. The regression can be considered as low.
>
> ---
>
> The following changes since commit 6908621780310ab5a100d68da76cbade95bca245:
>
> UBUNTU: Ubuntu-intel-5.11.0-1005.5 (2021-06-07 18:43:08 +0800)
>
> are available in the Git repository at:
>
> git+ssh://mschiu77@git.launchpad.net/~mschiu77/ubuntu/+source/linux-intel/+git/linux-intel austin-1928665
>
> for you to fetch changes up to 38fdafaf7edf7e4b98980207c6ccf22932d5b203:
>
> UBUNTU: [Config] enable configs for WWAN framework and drivers (2021-06-16 16:34:17 +0800)
>
> ----------------------------------------------------------------
> Bhaumik Bhatt (19):
> bus: mhi: core: Update debug prints to include local device state
> bus: mhi: Make firmware image optional for controller
> bus: mhi: core: Rely on accurate method to determine EDL mode
> bus: mhi: core: Wait for ready after an EDL firmware download
> bus: mhi: core: Handle EDL mode entry appropriately
> bus: mhi: core: Identify Flash Programmer as a mission mode use case
> bus: mhi: core: Wait for MHI READY state in most scenarios
> bus: mhi: core: Improve state strings for debug messages
> bus: mhi: core: Introduce internal register poll helper function
> bus: mhi: core: Move to polling method to wait for MHI ready
> bus: mhi: core: Remove pre_init flag used for power purposes
> bus: mhi: pci_generic: Add SDX65 based modem support
> bus: mhi: core: Allow sending the STOP channel command
> bus: mhi: core: Improvements to the channel handling state machine
> bus: mhi: core: Update debug messages to use client device
> bus: mhi: core: Hold device wake for channel update commands
> bus: mhi: core: Check channel execution environment before issuing reset
> bus: mhi: core: Remove __ prefix for MHI channel unprepare function
> bus: mhi: Improve documentation on channel transfer setup APIs
>
> Carl Huang (1):
> mhi: use irq_flags if controller driver configures it
>
> Carl Yin (1):
> bus: mhi: core: Add support for Flash Programmer execution environment
>
> Chris Chiu (1):
> UBUNTU: [Config] enable configs for WWAN framework and drivers
>
> Colin Ian King (1):
> bus: mhi: core: remove redundant initialization of variables state and ee
>
> Fan Wu (1):
> bus: mhi: core: Return EAGAIN if MHI ring is full
>
> Hemant Kumar (1):
> bus: mhi: core: Add helper API to return number of free TREs
>
> Jarvis Jiang (1):
> bus: mhi: pci_generic: Introduce Foxconn T99W175 support
>
> Jeffrey Hugo (1):
> bus: mhi: core: Check state before processing power_down
>
> Loic Poulain (46):
> bus: mhi: core: Add device hardware reset support
> mhi: pci-generic: Increase number of hardware events
> mhi: unconstify mhi_event_config
> mhi: pci_generic: Enable burst mode for hardware channels
> mhi: pci_generic: Add support for reset
> mhi: pci_generic: Add suspend/resume/recovery procedure
> mhi: pci_generic: Add PCI error handlers
> mhi: pci_generic: Add health-check
> mhi: pci_generic: Increase controller timeout value
> mhi: pci_generic: Add diag channels
> mhi: pci_generic: Set irq moderation value to 1ms for hw channels
> bus: mhi: Ensure correct ring update ordering with memory barrier
> mhi: pci_generic: Fix shared MSI vector support
> mhi: core: Factorize mhi queuing
> mhi: pci_generic: Print warning in case of firmware crash
> bus: mhi: pci_generic: Increase num of elements in hw event ring
> bus: mhi: pci_generic: Parametrable element count for events
> bus: mhi: pci_generic: Introduce quectel EM1XXGR-L support
> bus: mhi: pci_generic: Add SDX24 based modem support
> bus: mhi: pci_generic: No-Op for device_wake operations
> bus: mhi: pci_generic: Use generic PCI power management
> bus: mhi: pci_generic: Add support for runtime PM
> bus: mhi: core: Fix invalid error returning in mhi_queue
> bus: mhi: core: Rename debugfs directory name
> bus: mhi: Early MHI resume failure in non M3 state
> bus: mhi: core: Fix MHI runtime_pm behavior
> bus: mhi: pm: reduce PM state change verbosity
> bus: mhi: pci_generic: Implement PCI shutdown callback
> bus: mhi: pci_generic: Add FIREHOSE channels
> net: mhi: Add raw IP mode support
> net: mhi: Set wwan device type
> net: mhi: Get RX queue size from MHI core
> net: mhi: Get rid of local rx queue count
> net: mhi-net: Add re-aggregation of fragmented packets
> net: mhi: Add protocol support
> net: mhi: Add dedicated folder
> net: mhi: Create mhi.h
> net: mhi: Add rx_length_errors stat
> net: mhi: Add mbim proto
> net: mhi: Add support for non-linear MBIM skb processing
> net: mhi: Allow decoupled MTU/MRU
> net: Add a WWAN subsystem
> net: Add Qcom WWAN control driver
> net: wwan: Fix bit ops double shift
> net: wwan: mhi_wwan_ctrl: Fix RX buffer starvation
> net: wwan: core: Return poll error in case of port removal
>
> debian.intel/config/config.common.ubuntu | 3 +
> drivers/bus/mhi/core/boot.c | 13 +-
> drivers/bus/mhi/core/debugfs.c | 2 +-
> drivers/bus/mhi/core/init.c | 54 +--
> drivers/bus/mhi/core/internal.h | 19 +-
> drivers/bus/mhi/core/main.c | 436 ++++++++++----------
> drivers/bus/mhi/core/pm.c | 107 ++---
> drivers/bus/mhi/pci_generic.c | 677 +++++++++++++++++++++++++++++--
> drivers/net/Kconfig | 2 +
> drivers/net/Makefile | 3 +-
> drivers/net/mhi/Makefile | 3 +
> drivers/net/mhi/mhi.h | 41 ++
> drivers/net/{mhi_net.c => mhi/net.c} | 203 ++++++---
> drivers/net/mhi/proto_mbim.c | 303 ++++++++++++++
> drivers/net/wwan/Kconfig | 37 ++
> drivers/net/wwan/Makefile | 9 +
> drivers/net/wwan/mhi_wwan_ctrl.c | 284 +++++++++++++
> drivers/net/wwan/wwan_core.c | 554 +++++++++++++++++++++++++
> include/linux/mhi.h | 48 ++-
> include/linux/wwan.h | 111 +++++
> 20 files changed, 2530 insertions(+), 379 deletions(-)
> create mode 100644 drivers/net/mhi/Makefile
> create mode 100644 drivers/net/mhi/mhi.h
> rename drivers/net/{mhi_net.c => mhi/net.c} (62%)
> create mode 100644 drivers/net/mhi/proto_mbim.c
> create mode 100644 drivers/net/wwan/Kconfig
> create mode 100644 drivers/net/wwan/Makefile
> create mode 100644 drivers/net/wwan/mhi_wwan_ctrl.c
> create mode 100644 drivers/net/wwan/wwan_core.c
> create mode 100644 include/linux/wwan.h
>
> --
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