linux-kernel - Re: [PATCH v2] bus: mhi: pci_generic: Add new device ID support for T99W175

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Date:   Tue, 2 Nov 2021 09:26:32 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Slark Xiao <slark_xiao@....com>
Cc:     mani@...nel.org, hemantk@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] bus: mhi: pci_generic: Add new device ID support for
 T99W175

On Fri, Oct 29, 2021 at 06:49:18PM +0800, Slark Xiao wrote:
> Add new device ID 0xe0bf for T99W175.
> This device ID is created because it is using Qualcomm SDX55 new base line.
> 
> Test evidence as below:
> root@...-ThinkPad-P1-Gen-4:/dev# lspci -nn | grep Foxconn
> 0000:08:00.0 Wireless controller [0d40]: Foxconn International, Inc. Device [105b:e0bf]
> root@...-ThinkPad-P1-Gen-4:/dev# cat wwan0at0 & echo -ne "ati\r" > wwan0at0
> [2] 2977
> root@...-ThinkPad-P1-Gen-4:/dev# ati
> Manufacturer: Qualcomm
> Model: T99W175
> Revision: T99W175.F0.6.0.0.6.CC.005  1  [Oct 21 2021 10:00:00]
> IMEI:
> +GCAP: +CGSM
> 
> OK
> 
> Signed-off-by: Slark Xiao <slark_xiao@....com>

Reviewed-by: Manivannan Sadhasivam <mani@...nel.org>

Thanks,
Mani

> ---
> 
> v2: Add descriptions about the dfiiference between 0xe0ab and 0xeobf.
> ---
>  drivers/bus/mhi/pci_generic.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
> index 59a4896a8030..94d8aa9c2eae 100644
> --- a/drivers/bus/mhi/pci_generic.c
> +++ b/drivers/bus/mhi/pci_generic.c
> @@ -423,6 +423,9 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  	/* DW5930e (sdx55), Non-eSIM, It's also T99W175 */
>  	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b1),
>  		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +	/* T99W175 (sdx55), Based on Qualcomm new baseline */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0bf),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
>  	/* MV31-W (Cinterion) */
>  	{ PCI_DEVICE(0x1269, 0x00b3),
>  		.driver_data = (kernel_ulong_t) &mhi_mv31_info },
> -- 
> 2.25.1
>