From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Alex Elder <elder@ieee.org>
Cc: mhi@lists.linux.dev, hemantk@codeaurora.org,
bbhatt@codeaurora.org, quic_jhugo@quicinc.com,
vinod.koul@linaro.org, bjorn.andersson@linaro.org,
dmitry.baryshkov@linaro.org, skananth@codeaurora.org,
vpernami@codeaurora.org, vbadigan@codeaurora.org,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 06/20] bus: mhi: ep: Add support for registering MHI endpoint client drivers
Date: Thu, 3 Feb 2022 20:23:09 +0530 [thread overview]
Message-ID: <20220203145309.GE6298@thinkpad> (raw)
In-Reply-To: <06628c19-7839-2719-3263-7ab2b4410502@ieee.org>
On Wed, Jan 05, 2022 at 06:27:33PM -0600, Alex Elder wrote:
> On 12/2/21 5:35 AM, Manivannan Sadhasivam wrote:
> > This commit adds support for registering MHI endpoint client drivers
> > with the MHI endpoint stack. MHI endpoint client drivers binds to one
> > or more MHI endpoint devices inorder to send and receive the upper-layer
> > protocol packets like IP packets, modem control messages, and diagnostics
> > messages over MHI bus.
> >
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> > drivers/bus/mhi/ep/main.c | 85 +++++++++++++++++++++++++++++++++++++++
> > include/linux/mhi_ep.h | 53 ++++++++++++++++++++++++
> > 2 files changed, 138 insertions(+)
> >
> > diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c
> > index db664360c8ab..ce0f99f22058 100644
> > --- a/drivers/bus/mhi/ep/main.c
> > +++ b/drivers/bus/mhi/ep/main.c
> > @@ -193,9 +193,88 @@ void mhi_ep_unregister_controller(struct mhi_ep_cntrl *mhi_cntrl)
> > }
> > EXPORT_SYMBOL_GPL(mhi_ep_unregister_controller);
> > +static int mhi_ep_driver_probe(struct device *dev)
> > +{
> > + struct mhi_ep_device *mhi_dev = to_mhi_ep_device(dev);
> > + struct mhi_ep_driver *mhi_drv = to_mhi_ep_driver(dev->driver);
> > + struct mhi_ep_chan *ul_chan = mhi_dev->ul_chan;
> > + struct mhi_ep_chan *dl_chan = mhi_dev->dl_chan;
> > +
>
> Either ul_chan or dl_chan must be set, right? Check this.
> Otherwise I think this looks OK.
>
done
> -Alex
>
> > + if (ul_chan)
> > + ul_chan->xfer_cb = mhi_drv->ul_xfer_cb;
> > +
> > + if (dl_chan)
> > + dl_chan->xfer_cb = mhi_drv->dl_xfer_cb;
> > +
> > + return mhi_drv->probe(mhi_dev, mhi_dev->id);
> > +}
>
> . . .
next prev parent reply other threads:[~2022-02-03 14:53 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-02 11:35 [PATCH 00/20] Add initial support for MHI endpoint stack Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 01/20] bus: mhi: Move host MHI code to "host" directory Manivannan Sadhasivam
2021-12-07 1:52 ` Hemant Kumar
2022-01-06 0:20 ` Alex Elder
2021-12-02 11:35 ` [PATCH 02/20] bus: mhi: Move common MHI definitions out of host directory Manivannan Sadhasivam
2022-01-06 0:22 ` Alex Elder
2022-02-03 10:29 ` Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 03/20] bus: mhi: Make mhi_state_str[] array static const and move to common.h Manivannan Sadhasivam
2022-01-06 0:22 ` Alex Elder
2022-02-03 10:34 ` Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 04/20] bus: mhi: Cleanup the register definitions used in headers Manivannan Sadhasivam
2022-01-06 0:23 ` Alex Elder
2022-02-03 11:26 ` Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 05/20] bus: mhi: ep: Add support for registering MHI endpoint controllers Manivannan Sadhasivam
2022-01-06 0:26 ` Alex Elder
2022-02-03 14:50 ` Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 06/20] bus: mhi: ep: Add support for registering MHI endpoint client drivers Manivannan Sadhasivam
2022-01-06 0:27 ` Alex Elder
2022-02-03 14:53 ` Manivannan Sadhasivam [this message]
2021-12-02 11:35 ` [PATCH 07/20] bus: mhi: ep: Add support for creating and destroying MHI EP devices Manivannan Sadhasivam
2022-01-06 0:28 ` Alex Elder
2022-02-03 15:13 ` Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 08/20] bus: mhi: ep: Add support for managing MMIO registers Manivannan Sadhasivam
2022-01-06 0:29 ` Alex Elder
2022-02-03 15:55 ` Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 09/20] bus: mhi: ep: Add support for ring management Manivannan Sadhasivam
2022-01-06 0:30 ` Alex Elder
2022-02-04 9:21 ` Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 10/20] bus: mhi: ep: Add support for sending events to the host Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 11/20] bus: mhi: ep: Add support for managing MHI state machine Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 12/20] bus: mhi: ep: Add support for processing MHI endpoint interrupts Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 13/20] bus: mhi: ep: Add support for powering up the MHI endpoint stack Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 14/20] bus: mhi: ep: Add support for powering down " Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 15/20] bus: mhi: ep: Add support for handling MHI_RESET Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 16/20] bus: mhi: ep: Add support for handling SYS_ERR condition Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 17/20] bus: mhi: ep: Add support for processing command and TRE rings Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 18/20] bus: mhi: ep: Add support for queueing SKBs over MHI bus Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 19/20] bus: mhi: ep: Add support for suspending and resuming channels Manivannan Sadhasivam
2021-12-02 11:35 ` [PATCH 20/20] bus: mhi: ep: Add uevent support for module autoloading Manivannan Sadhasivam
2022-01-06 0:20 ` [PATCH 00/20] Add initial support for MHI endpoint stack Alex Elder
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