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

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Date:   Tue, 2 Nov 2021 11:01:07 +0800 (CST)
From:   "Slark Xiao" <slark_xiao@....com>
To:     "Manivannan Sadhasivam" <mani@...nel.org>
Cc:     hemantk@...eaurora.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re:Re: Re: [PATCH] bus: mhi: pci_generic: Add new device ID support
 for T99W175



At 2021-10-29 18:25:26, "Manivannan Sadhasivam" <mani@...nel.org> wrote:
>On Fri, Oct 29, 2021 at 06:00:42PM +0800, Slark Xiao wrote:
>> 
>> At 2021-10-29 17:26:19, "Manivannan Sadhasivam" <mani@...nel.org> wrote:
>> 
>> >Hi,
>> >
>> >On Thu, Oct 28, 2021 at 11:44:31AM +0800, Slark Xiao wrote:
>> >> Add new device ID 0xe0bf for T99W175.
>> >> 
>> >
>> >Thanks for the patch! Can you share the difference between this modem and the
>> >one (T99W175) we already have with PID 0xe0ab?
>> >
>> >Please include the product page in description if any.
>> >
>> >Thanks,
>> >Mani
>> >
>> Hi Mani,
>>    Thanks for this review. 
>>    Actually this product(SDX55/0xe0bf) is using Qualcomm SDX55 new baseline(LE1.4), 
>>  and previous T99W175/0xe0ab is using original base line(LE1.2).
>>    Our customer wants us to use different device ID to separate from each other. 
>>    Currently we don't have product page  as our customer's new product is not released.
>> 
>
>Thanks for the explanation. Please send v2 adding the baseline info in commit
>description.
>
>Thanks,
>Mani
>
Hi Mani,
   I have sent V2 several days ago . Please take a look on that.
   Ref link: https://lore.kernel.org/lkml/20211029104918.3976-1-slark_xiao@163.com/

Thanks!
Slark
>> >> 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>
>> >> ---
>> >>  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..566483dc15db 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) */
>> >> +	{ 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
>> >>