On Mon, Apr 17, 2023 at 01:42:05PM +0300, Arınç ÜNAL wrote:
> On 13.04.2023 18:14, Johan Hovold wrote:
> > On Thu, Apr 06, 2023 at 08:50:04AM +0300, arinc9.unal@xxxxxxxxx wrote:
> >> From: Arınç ÜNAL <arinc.unal@xxxxxxxxxx>
> >>
> >> Add UNISOC vendor ID and TOZED LT70-C modem which is based from UNISOC
> >> SL8563. The modem supports the NCM mode.
> >
> > Thanks for the patch. Looks mostly good, but see my comments below.
>
> Thanks a lot for looking at this Johan!
>
> >
> >> T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 6 Spd=480 MxCh= 0
> >> D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
> >> P: Vendor=1782 ProdID=4055 Rev=04.04
> >> S: Manufacturer=Unisoc Phone
> >> S: Product=Unisoc Phone
> >> S: SerialNumber=<redacted>
> >> C: #Ifs=14 Cfg#= 1 Atr=c0 MxPwr=500mA
> >> I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
> >> E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
> >> I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
> >> E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> I: If#=10 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> >> E: Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=8b(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> I: If#=11 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> >> E: Ad=08(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=8c(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> I: If#=12 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=option
> >> E: Ad=09(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=8d(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >
> > This looks like an ADB interface which should be blacklisted (reserved)
> > so that the driver does not bind to it.
>
> Will do.
>
> >
> >> I: If#=13 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> >> E: Ad=0a(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> I: If#= 2 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
> >> E: Ad=84(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
> >> I: If#= 3 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
> >> E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> I: If#= 4 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
> >> E: Ad=86(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
> >> I: If#= 5 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
> >> E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> I: If#= 6 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
> >> E: Ad=88(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
> >> I: If#= 7 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
> >> E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> I: If#= 8 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> >> E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> I: If#= 9 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> >> E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> E: Ad=8a(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> >> ---
> >> drivers/usb/serial/option.c | 6 ++++++
> >> 1 file changed, 6 insertions(+)
> >>
> >> diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
> >> index f31cc3c76329..65a050a9ca39 100644
> >> --- a/drivers/usb/serial/option.c
> >> +++ b/drivers/usb/serial/option.c
> >> @@ -595,6 +595,11 @@ static void option_instat_callback(struct urb *urb);
> >> #define SIERRA_VENDOR_ID 0x1199
> >> #define SIERRA_PRODUCT_EM9191 0x90d3
> >>
> >> +/* UNISOC (Spreadtrum) products */
> >> +#define UNISOC_VENDOR_ID 0x1782
> >> +/* TOZED TL70-C based on UNISOC SL8563 uses UNISOC's vendor ID */
> >> +#define TOZED_PRODUCT_LT70C 0x4055
> >> +
> >> /* Device flags */
> >>
> >> /* Highest interface number which can be used with NCTRL() and RSVD() */
> >> @@ -2225,6 +2230,7 @@ static const struct usb_device_id option_ids[] = {
> >> { USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
> >> { USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
> >> { USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
> >> + { USB_DEVICE(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C) },
> >
> > You should match also on the interface class so that you don't try to
> > bind to the cdc interfaces. See USB_DEVICE_INTERFACE_CLASS() (and
> > RSVD() for the ADB interface).
>
> Thanks, the final result should look like this:
>
> { USB_DEVICE_INTERFACE_CLASS(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff),
> .driver_info = RSVD(12) },
Alternatively, it looks like you could use
USB_DEVICE_AND_INTERFACE_INFO() and match on ff/0/0. That's generally
preferred as it works also if the interface numbers can change.
Johan
