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

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Date:   Fri, 10 Mar 2023 14:18:23 +0200
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Slark Xiao <slark_xiao@....com>, mani@...nel.org,
        loic.poulain@...aro.org, fabio.porcedda@...il.com
Cc:     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 10/03/2023 12:17, 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
> 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.
> 
> Signed-off-by: Slark Xiao <slark_xiao@....com>

Probably also:

Fixes: 2d5253a096c6 ("bus: mhi: host: pci_generic: Add a secondary AT 
port to Telit FN990")

> ---
>   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),
>   };

-- 
With best wishes
Dmitry