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

From: Manivannan Sadhasivam
Date: Fri Oct 29 2021 - 06:26:17 EST


On Fri, Oct 29, 2021 at 06:00:42PM +0800, Slark Xiao wrote:
>
> At 2021-10-29 17:26:19, "Manivannan Sadhasivam" <mani@xxxxxxxxxx> 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

> Thanks
> Slark
> >> Test evidence as below:
> >> root@jbd-ThinkPad-P1-Gen-4:/dev# lspci -nn | grep Foxconn
> >> 0000:08:00.0 Wireless controller [0d40]: Foxconn International, Inc. Device [105b:e0bf]
> >> root@jbd-ThinkPad-P1-Gen-4:/dev# cat wwan0at0 & echo -ne "ati\r" > wwan0at0
> >> [2] 2977
> >> root@jbd-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@xxxxxxx>
> >> ---
> >> 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
> >>