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SubjectRe: [RESEND PATCH v18 0/3] userspace MHI client interface driver
On Wed 27 Jan 09:15 CST 2021, 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.
>

Why? As concluded in previous iterations of this series this does not
relate to networking.

Regards,
Bjorn

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