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

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Message-ID: <88d7754c381ba9eb927b4dd91e30ca35@codeaurora.org>
Date:   Mon, 17 May 2021 11:01:10 -0700
From:   Bhaumik Bhatt <bbhatt@...eaurora.org>
To:     Shujun Wang <wsj20369@....com>
Cc:     mani@...nel.org, hemantk@...eaurora.org, loic.poulain@...aro.org,
        jarvis.w.jiang@...il.com, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND,v2] bus: mhi: pci_generic: T99W175: update channel
 name from AT to DUN

On 2021-05-17 02:54 AM, Shujun Wang wrote:
> From: Jarvis Jiang <jarvis.w.jiang@...il.com>
> 
> 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>
> Signed-off-by: Shujun Wang <wsj20369@....com>

Reviewed-by: Bhaumik Bhatt <bbhatt@...eaurora.org>
> ---
> 
> 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),
>  };

Thanks,
Bhaumik
---
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