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Message-ID: <YrG08xVVdfjswFVO@hovoldconsulting.com>
Date: Tue, 21 Jun 2022 14:09:23 +0200
From: Johan Hovold <johan@...nel.org>
To: Yonglin Tan <yonglin.tan@...look.com>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] USB: serial: option: add Quectel EM05-G modem
On Tue, Jun 21, 2022 at 07:59:43PM +0800, Yonglin Tan wrote:
> The EM05-G modem has 2 USB configurations that are configurable via the AT
> command AT+QCFG="usbnet",[ 0 | 2 ] which make the modem enumerate with
> the following interfaces, respectively:
>
> "RMNET" : AT + DIAG + NMEA + Modem + QMI
> "MBIM" : MBIM + AT + DIAG + NMEA + Modem
>
> The detailed description of the USB configuration for each mode as follows:
>
> RMNET Mode
> --------------
> T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 21 Spd=480 MxCh= 0
> D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
> P: Vendor=2c7c ProdID=030a Rev= 3.18
> S: Manufacturer=Quectel
> S: Product=Quectel EM05-G
> C:* #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
> I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 6 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
> E: Ad=89(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
> E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>
> MBIM Mode
> --------------
> T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 16 Spd=480 MxCh= 0
> D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
> P: Vendor=2c7c ProdID=030a Rev= 3.18
> S: Manufacturer=Quectel
> S: Product=Quectel EM05-G
> C:* #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
> A: FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
> I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
> E: Ad=89(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
> I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
> I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
> E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>
> Signed-off-by: Yonglin Tan <yonglin.tan@...look.com>
> ---
> V2:
> 1. Add the description of the usb interface configurations.
> 2. Add QMI Interface description.
>
> V3:
> 1. Move the entry to where the other Quectel entries with numerical PIDs are.
> 2. Define the macro and remove the comment.
I meant to just move the entry where the other entries that use
numerical PIDs (instead of defines) are. But this works too.
> drivers/usb/serial/option.c | 3 +++
> 1 file changed, 3 insertions(+)
> mode change 100644 => 100755 drivers/usb/serial/option.c
You're still trying to change the permission bits of the file here,
though.
You need to figure out why this happens yourself. But I can't accept the
patch before this is fixed.
You could try chmod 644 before committing, but that may not be
sufficient.
> diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
> old mode 100644
> new mode 100755
> index ed1e50d..7b52865
> --- a/drivers/usb/serial/option.c
> +++ b/drivers/usb/serial/option.c
> @@ -252,6 +252,7 @@ static void option_instat_callback(struct urb *urb);
> #define QUECTEL_PRODUCT_EG95 0x0195
> #define QUECTEL_PRODUCT_BG96 0x0296
> #define QUECTEL_PRODUCT_EP06 0x0306
> +#define QUECTEL_PRODUCT_EM05G 0x030a
> #define QUECTEL_PRODUCT_EM12 0x0512
> #define QUECTEL_PRODUCT_RM500Q 0x0800
> #define QUECTEL_PRODUCT_EC200S_CN 0x6002
> @@ -1134,6 +1135,8 @@ static const struct usb_device_id option_ids[] = {
> { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff),
> .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
> { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0, 0) },
> + { USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM05G, 0xff),
> + .driver_info = RSVD(6) | ZLP },
Checkpatch now also warn of trailing whitespace here. Please remember to
run scripts/checkpatch.pl before submitting.
> { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff),
> .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 },
> { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) },
Johan
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