linux-kernel - Re: [PATCH] bus: mhi: host: pci_generic: Add more Foxconn T99W696 modem

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Message-ID: <ma7am34lifhb3avqyiodtbsfmlmi6s5tsw7kqf2rp2eyiq3uqw@ty57xdfbe5ao>
Date: Mon, 18 Aug 2025 13:44:28 +0530
From: Manivannan Sadhasivam <mani@...nel.org>
To: Slark Xiao <slark_xiao@....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: Add more Foxconn T99W696
 modem

On Tue, Jul 29, 2025 at 04:57:26PM GMT, Slark Xiao wrote:
> There are more platforms need support Foxconn T99W696 modem.
> This requirement comes from Lenovo side since they want 1 platform
> to correspond to 1 modem SKU.
> 
> Signed-off-by: Slark Xiao <slark_xiao@....com>
> ---
>  drivers/bus/mhi/host/pci_generic.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index 4edb5bb476ba..1fc43f1b86be 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -932,6 +932,24 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  	/* Foxconn T99W696.00, Foxconn SKU */
>  	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe146),
>  		.driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
> +	/* Foxconn T99W696.05, Lenovo T14 */
> +	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe150),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
> +	/* Foxconn T99W696.06, Lenovo T15 */
> +	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe151),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
> +	/* Foxconn T99W696.07, Lenovo T16 */
> +	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe152),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
> +	/* Foxconn T99W696.08, Lenovo P14s */
> +	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe153),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
> +	/* Foxconn T99W696.09, Lenovo P16s */
> +	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe154),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },
> +	/* Foxconn T99W696.10, Lenovo P1 */
> +	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, 0xe155),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },

Since all T99W696 derivatives are using the same config, can't you use below?

	PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, PCI_VENDOR_ID_FOXCONN, PCI_ANY_ID),
		.driver_data = (kernel_ulong_t) &mhi_foxconn_t99w696_info },

I'm presumed that all 0x0308 based modems are T99W696 derivatives.

- Mani

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