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USB-serial fixes for v4.19-rc7

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Here are some device-id patches for 4.19-rc7.
 
 Some Quectel modems have a vendor command which can be used to disable
 certain interfaces in their configurations, but unlike some other modems
 this also causes the interface numbers to change. These patches allow us
 to support all such interface permutations at least for the Quectel
 EP06.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.19-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for v4.19-rc7

Here are some device-id patches for 4.19-rc7.

Some Quectel modems have a vendor command which can be used to disable
certain interfaces in their configurations, but unlike some other modems
this also causes the interface numbers to change. These patches allow us
to support all such interface permutations at least for the Quectel
EP06.

All have been in linux-next with no reported issues.

Signed-off-by: Johan Hovold <johan@kernel.org>

* tag 'usb-serial-4.19-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: simple: add Motorola Tetra MTP6550 id
  USB: serial: option: add two-endpoints device-id flag
  USB: serial: option: improve Quectel EP06 detection
This commit is contained in:
Greg Kroah-Hartman 2018-10-01 17:53:29 -07:00
commit dcb44ac060
2 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/usb/serial/option.c
View File

@ -561,6 +561,9 @@ static void option_instat_callback(struct urb *urb);
/* Interface is reserved */
#define RSVD(ifnum) ((BIT(ifnum) & 0xff) << 0)
/* Interface must have two endpoints */
#define NUMEP2 BIT(16)
static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
@ -1081,8 +1084,9 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(4) },
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96),
.driver_info = RSVD(4) },
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06),
.driver_info = RSVD(4) | RSVD(5) },
{ 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(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) },
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003),
@ -1999,6 +2003,13 @@ static int option_probe(struct usb_serial *serial,
if (device_flags & RSVD(iface_desc->bInterfaceNumber))
return -ENODEV;
/*
* Allow matching on bNumEndpoints for devices whose interface numbers
* can change (e.g. Quectel EP06).
*/
if (device_flags & NUMEP2 && iface_desc->bNumEndpoints != 2)
return -ENODEV;
/* Store the device flags so we can use them during attach. */
usb_set_serial_data(serial, (void *)device_flags);

3
drivers/usb/serial/usb-serial-simple.c
View File

@ -84,7 +84,8 @@ DEVICE(moto_modem, MOTO_IDS);
/* Motorola Tetra driver */
#define MOTOROLA_TETRA_IDS() \
{ USB_DEVICE(0x0cad, 0x9011) } /* Motorola Solutions TETRA PEI */
{ USB_DEVICE(0x0cad, 0x9011) }, /* Motorola Solutions TETRA PEI */ \
{ USB_DEVICE(0x0cad, 0x9012) } /* MTP6550 */
DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS);
/* Novatel Wireless GPS driver */