On Wed, Jan 13, 2021 at 08:56:25PM +0530, Manivannan Sadhasivam wrote: > Hi Greg, > > On Wed, Jan 06, 2021 at 10:44:13AM -0800, Hemant Kumar wrote: > > This patch series adds support for UCI driver. UCI driver enables userspace > > clients to communicate to external MHI devices like modem. UCI driver probe > > creates standard character device file nodes for userspace clients to > > perform open, read, write, poll and release file operations. These file > > operations call MHI core layer APIs to perform data transfer using MHI bus > > to communicate with MHI device. > > > > This interface allows exposing modem control channel(s) such as QMI, MBIM, > > or AT commands to userspace which can be used to configure the modem using > > tools such as libqmi, ModemManager, minicom (for AT), etc over MHI. This is > > required as there are no kernel APIs to access modem control path for device > > configuration. Data path transporting the network payload (IP), however, is > > routed to the Linux network via the mhi-net driver. Currently driver supports > > QMI channel. libqmi is userspace MHI client which communicates to a QMI > > service using QMI channel. Please refer to > > https://www.freedesktop.org/wiki/Software/libqmi/ for additional information > > on libqmi. > > > > Patch is tested using arm64 and x86 based platform. > > > > This series looks good to me and I'd like to merge it into mhi-next. You > shared your reviews on the previous revisions, so I'd like to get your > opinion first. If you get the networking people to give you an ack on this, it's fine with me. thanks, greg k-h
