linux-kernel - Re: [PATCH v2] bus: mhi: pci_generic: T99W175: update channel name from AT to DUN

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Message-ID: <20210521115551.GA70095@thinkpad>
Date:   Fri, 21 May 2021 17:25:51 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Jarvis Jiang <jarvis.w.jiang@...il.com>
Cc:     hemantk@...eaurora.org, loic.poulain@...aro.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        cchen50@...ovo.com, mpearson@...ovo.com
Subject: Re: [PATCH v2] bus: mhi: pci_generic: T99W175: update channel name
 from AT to DUN

On Wed, Apr 28, 2021 at 06:42:26PM -0700, Jarvis Jiang wrote:
> According to MHI v1.1 specification, change the channel name of T99W175
> from "AT" to "DUN" (Dial-up networking) for both channel 32 and 33,
> so that the channels can be bound to the Qcom WWAN control driver, and
> device node such as /dev/wwan0p3AT will be generated, which is very useful
> for debugging modem
> 
> Fixes: aac426562f56 ("bus: mhi: pci_generic: Introduce Foxconn T99W175 support")
> Signed-off-by: Jarvis Jiang <jarvis.w.jiang@...il.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Thanks,
Mani

> ---
> 
> v2: Add: Fixes: aac426562f56
> 
>  drivers/bus/mhi/pci_generic.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
> index 7c810f02a2ef..8c7f6576e421 100644
> --- a/drivers/bus/mhi/pci_generic.c
> +++ b/drivers/bus/mhi/pci_generic.c
> @@ -311,8 +311,8 @@ static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
>  	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
>  	MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
>  	MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
> -	MHI_CHANNEL_CONFIG_UL(32, "AT", 32, 0),
> -	MHI_CHANNEL_CONFIG_DL(33, "AT", 32, 0),
> +	MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
>  	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
>  	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
>  };
> -- 
> 2.25.1
>