On Sun, Apr 27, 2014 at 04:47:45PM +0200, Bjørn Mork wrote:
> From: Bjørn Mork <bjorn@xxxxxxx>
>
> All the "non Gobi" Qualcomm based devices handled by this
> driver share a common standard Sierra Wireless specific
> layout. Adding code specifically for this layout allow
> us to reduce the number of match entries per device from
> three to one.
>
> This change will result in a penalty wrt stable backports,
> but simplifies new Sierra device addtitions in the long
> term.
>
> Signed-off-by: Bjørn Mork <bjorn@xxxxxxx>
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
> ---
> drivers/usb/serial/qcserial.c | 98 +++++++++++++++++++++++--------------------
> 1 file changed, 53 insertions(+), 45 deletions(-)
>
> diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
> index 217e29ccde52..91e7bb515398 100644
> --- a/drivers/usb/serial/qcserial.c
> +++ b/drivers/usb/serial/qcserial.c
> @@ -26,10 +26,13 @@
> enum qcserial_layouts {
> QCSERIAL_G2K = 0, /* Gobi 2000 */
> QCSERIAL_G1K = 1, /* Gobi 1000 */
> + QCSERIAL_SWI = 2, /* Sierra Wireless */
> };
>
> #define DEVICE_G1K(v, p) \
> USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
> +#define DEVICE_SWI(v, p) \
> + USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI
>
> static const struct usb_device_id id_table[] = {
> /* Gobi 1000 devices */
> @@ -132,46 +135,20 @@ static const struct usb_device_id id_table[] = {
> {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
> {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */
>
> - /* non Gobi Qualcomm serial devices */
> - {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 0)}, /* Sierra Wireless MC7700 Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 2)}, /* Sierra Wireless MC7700 NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 3)}, /* Sierra Wireless MC7700 Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 0)}, /* Sierra Wireless MC7750 Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 2)}, /* Sierra Wireless MC7750 NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 3)}, /* Sierra Wireless MC7750 Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 0)}, /* Sierra Wireless MC7710 Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 2)}, /* Sierra Wireless MC7710 NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 3)}, /* Sierra Wireless MC7710 Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 0)}, /* Sierra Wireless MC73xx Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 2)}, /* Sierra Wireless MC73xx NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 3)}, /* Sierra Wireless MC73xx Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)}, /* Sierra Wireless EM7700 Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)}, /* Sierra Wireless EM7700 NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)}, /* Sierra Wireless EM7700 Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 0)}, /* Sierra Wireless EM7355 Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 2)}, /* Sierra Wireless EM7355 NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 3)}, /* Sierra Wireless EM7355 Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 0)}, /* Sierra Wireless MC7305/MC7355 Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 2)}, /* Sierra Wireless MC7305/MC7355 NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 3)}, /* Sierra Wireless MC7305/MC7355 Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)}, /* Netgear AirCard 340U Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)}, /* Netgear AirCard 340U NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)}, /* Netgear AirCard 340U Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 0)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 3)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 0)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 2)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 0)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 2)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 3)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 0)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 2)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 3)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Modem */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 0)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 2)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
> - {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 3)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Modem */
> + /* non-Gobi Sierra Wireless devices */
> + {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */
> + {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */
> + {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */
> + {DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC73xx */
> + {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */
> + {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */
> + {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */
> + {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */
> + {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
> + {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
> + {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
> + {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
> + {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
>
> { } /* Terminating entry */
> };
> @@ -220,11 +197,6 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> goto done;
> }
>
> - if (nintf < 3 || nintf > 4) {
> - dev_err(dev, "unknown number of interfaces: %d\n", nintf);
> - goto done;
> - }
> -
> /* default to enabling interface */
> altsetting = 0;
>
> @@ -242,6 +214,12 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> * 2: AT-capable modem port
> * 3: QMI/net
> */
> + if (nintf < 3 || nintf > 4) {
> + dev_err(dev, "unknown number of interfaces: %d\n", nintf);
> + altsetting = -1;
> + goto done;
> + }
> +
> if (ifnum == 0) {
> dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
> altsetting = 1;
> @@ -258,6 +236,12 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> * 2: AT-capable modem port
> * 3: NMEA
> */
> + if (nintf < 3 || nintf > 4) {
> + dev_err(dev, "unknown number of interfaces: %d\n", nintf);
> + altsetting = -1;
> + goto done;
> + }
> +
> switch (ifnum) {
> case 0:
> /* Don't claim the QMI/net interface */
> @@ -279,6 +263,30 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> break;
> }
> break;
> + case QCSERIAL_SWI:
> + /*
> + * Sierra Wireless layout:
> + * 0: DM/DIAG (use libqcdm from ModemManager for communication)
> + * 2: NMEA
> + * 3: AT-capable modem port
> + * 8: QMI/net
> + */
> + switch (ifnum) {
> + case 0:
> + dev_dbg(dev, "DM/DIAG interface found\n");
> + break;
> + case 2:
> + dev_dbg(dev, "NMEA GPS interface found\n");
> + break;
> + case 3:
> + dev_dbg(dev, "Modem port found\n");
> + break;
> + default:
> + /* don't claim any unsupported interface */
> + altsetting = -1;
> + break;
> + }
> + break;
> default:
> dev_err(dev, "unsupported device layout type: %lu\n",
> id->driver_info);
--
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