linux-kernel - Re: [PATCH] bus: mhi: host: pci_generic: Revert "Add a secondary AT port to Telit FN990"

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Message-ID: <20230310120209.GB6838@thinkpad>
Date:   Fri, 10 Mar 2023 17:32:09 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Fabio Porcedda <fabio.porcedda@...il.com>
Cc:     Slark Xiao <slark_xiao@....com>, loic.poulain@...aro.org,
        mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bus: mhi: host: pci_generic: Revert "Add a secondary AT
 port to Telit FN990"

On Fri, Mar 10, 2023 at 11:33:56AM +0100, Fabio Porcedda wrote:
> Il giorno ven 10 mar 2023 alle ore 11:31 Manivannan Sadhasivam
> <mani@...nel.org> ha scritto:
> >
> > On Fri, Mar 10, 2023 at 06:17:15PM +0800, Slark Xiao wrote:
> > > This reverts commit 2d5253a096c6057bbf7caa5520856dcdf7eca8bb.
> > > There are 2 commits with commit message "Add a secondary AT
> > > port to Telit FN990". But the last one 2d5253a096 was added
> >
> > Btw, we usually refer the commit SHA by 12 digits. Like, 2d5253a096c6.
> > I can fix it up while applying.
> >
> > > on Foxconn devices. Actually the second AT port of Foxconn
> > > devices doesn't work in PCIe mode. And the commit message
> > > mismatch with the changes. So we need to remove it.
> > >
> >
> > Sigh... the subject itself was wrong :( thanks for catching.
> >
> > > Signed-off-by: Slark Xiao <slark_xiao@....com>
> >
> > For future Foxconn patches, please help with the review to catch issues like
> > this. Unfortunately, I do not own any Foxconn modems :/
> >
> > Reviewed-by: Manivannan Sadhasivam <mani@...nel.org>
> 
> Reviewed-by: Fabio Porcedda <fabio.porcedda@...il.com>
> 
> Just to clarify, the original patch change just the Telit FN990:
> https://lore.kernel.org/netdev/CAMZdPi8gGrbkKnDR+WLadF92shJbwH-ksQY+dbpgfZ21iAp9ug@mail.gmail.com/
> 
> The problem is caused by the fact that it was merged two times and the
> second time was merged wrongly.
> The correct one is commit 479aa3b0ec2e000ac99dd0661936d9685d6cac64 and
> the wrong one is 2d5253a096c6057bbf7caa5520856dcdf7eca8bb.
> 

Ah, so the patch was merged into netdev first and then through MHI, then git
ended up with a resolution :(

Thanks,
Mani 

> BR
> Fabio
> 
> > Thanks,
> > Mani
> >
> > > ---
> > >  drivers/bus/mhi/host/pci_generic.c | 2 --
> > >  1 file changed, 2 deletions(-)
> > >
> > > diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> > > index 6e13c43a84d1..91d02f84ba21 100644
> > > --- a/drivers/bus/mhi/host/pci_generic.c
> > > +++ b/drivers/bus/mhi/host/pci_generic.c
> > > @@ -343,8 +343,6 @@ static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
> > >       MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
> > >       MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
> > >       MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
> > > -     MHI_CHANNEL_CONFIG_UL(92, "DUN2", 32, 1),
> > > -     MHI_CHANNEL_CONFIG_DL(93, "DUN2", 32, 1),
> > >       MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
> > >       MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
> > >  };
> > > --
> > > 2.34.1
> > >
> >
> > --
> > மணிவண்ணன் சதாசிவம்
> 
> 
> 
> -- 
> Fabio Porcedda

-- 
மணிவண்ணன் சதாசிவம்