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    SubjectRe: [RESEND PATCH v18 0/3] userspace MHI client interface driver
    On Mon, Feb 01, 2021 at 04:25:49PM +0530, Manivannan Sadhasivam wrote:
    > Hi Greg,
    >
    > On Wed, Jan 27, 2021 at 04:15:42PM +0100, Greg KH wrote:
    > > 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.
    > >
    >
    > As discussed in previous iteration, this series is not belonging to networking
    > subsystem. The functionality provided by this series allows us to configure the
    > modem over MHI bus and the rest of the networking stuff happens over the
    > networking subsystem as usual.

    Great, then it should be easy to get their acceptance :)

    > This holds the same with USB and serial modems which we are having over decades
    > in mainline.

    I don't see the connection here, sorry.

    thanks,

    greg k-h

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