Hi Greg, On Wed, Dec 02, 2020 at 03:11:30PM +0530, Manivannan Sadhasivam wrote: > Hi Greg, > > Here is the MHI patch series for v5.11. It was a busy cycle for us and so far we > have accumulated almost 29 patches. Most of the patches are cleanups and fixes > but there are some noticeable changes too: > > 1. Loic finally removed the auto-start option from the channel parameters of the > MHI controller. It is the duty of the client drivers like qrtr to start/stop the > channels when required, so we decided to remove this option. As a side effect, > we changed the qrtr driver to start the channels during its probe and removed > the auto-start option from ath11k controller. > > **NOTE** Since these changes spawns both MHI and networking trees, the patches > are maintained in an immutable branch [1] and pulled into both mhi-next and > ath11k-next branches. The networking patches got acks from ath11k and networking > maintainers as well. > Sigh... this is not going to work for patches in email form due to the immutable branch. I will send a pull request this time. Please ignore this series. Thanks, Mani > 2. Loic added a generic MHI pci controller driver. This driver will be used by > the PCI based Qualcomm modems like SDX55 and exposes channels such as QMI, > IP_HW0, IPCR etc... > > 3. Loic fixed the MHI device hierarchy by maintaining the correct parent child > relationships. Earlier all MHI devices lived in the same level under the parent > device like PCIe. But now, the MHI devices belonging to channels will become the > children of controller MHI device. > > 4. Finally Loic also improved the MHI device naming by using indexed names such > as mhi0, mhi1, etc... This will break the userspace applications depending on > the old naming convention but since the only one user so far is Jeff Hugo's AI > accelerator apps, we decided to make this change now itself with his agreement. > > 5. Bhaumik fixed the qrtr driver by stopping the channels during remove. This > patch also got ack from networking maintainer and we decided to take it through > MHI tree (via immutable branch) since we already had a qrtr change. > > Please consider applying! > > Thanks, > Mani > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi.git/log/?h=mhi-ath11k-immutable > > Bhaumik Bhatt (19): > bus: mhi: core: Remove unnecessary counter from mhi_firmware_copy() > bus: mhi: core: Add missing EXPORT_SYMBOL for mhi_get_mhi_state() > bus: mhi: core: Expose mhi_get_exec_env() API for controllers > bus: mhi: core: Remove unused mhi_fw_load_worker() declaration > bus: mhi: core: Rename RDDM download function to use proper words > bus: mhi: core: Skip RDDM download for unknown execution environment > bus: mhi: core: Use appropriate names for firmware load functions > bus: mhi: core: Move to using high priority workqueue > bus: mhi: core: Skip device wake in error or shutdown states > bus: mhi: core: Move to SYS_ERROR regardless of RDDM capability > bus: mhi: core: Prevent sending multiple RDDM entry callbacks > bus: mhi: core: Move to an error state on any firmware load failure > bus: mhi: core: Use appropriate label in firmware load handler API > bus: mhi: core: Move to an error state on mission mode failure > bus: mhi: core: Check for IRQ availability during registration > bus: mhi: core: Separate system error and power down handling > bus: mhi: core: Mark and maintain device states early on after power > down > bus: mhi: core: Remove MHI event ring IRQ handlers when powering down > net: qrtr: Unprepare MHI channels during remove > > Carl Yin (1): > bus: mhi: core: Fix null pointer access when parsing MHI configuration > > Dan Carpenter (1): > bus: mhi: core: Fix error handling in mhi_register_controller() > > Jeffrey Hugo (1): > bus: mhi: core: fix potential operator-precedence with BHI macros > > Loic Poulain (7): > bus: mhi: Remove auto-start option > net: qrtr: Start MHI channels during init > bus: mhi: Add MHI PCI support for WWAN modems > bus: mhi: Fix channel close issue on driver remove > bus: mhi: core: Indexed MHI controller name > bus: mhi: core: Fix device hierarchy > mhi: pci_generic: Fix implicit conversion warning > > -- > 2.25.1 >
