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

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Message-ID: <7eb35c0c.93ee.198bcc85d6c.Coremail.slark_xiao@163.com>
Date: Mon, 18 Aug 2025 18:45:04 +0800 (CST)
From: "Slark Xiao" <slark_xiao@....com>
To: "Manivannan Sadhasivam" <mani@...nel.org>
Cc: mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re:Re: [PATCH] bus: mhi: host: pci_generic: Add more Foxconn
 T99W696 modem



At 2025-08-18 16:14:28, "Manivannan Sadhasivam" <mani@...nel.org> wrote:
>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
>
Hi Mani,
Yeah, this is really helpful.
So shall I update the previous T99W696 IDs with this new match case?

Thanks
>-- 
>மணிவண்ணன் சதாசிவம்