diff options
| author | Bjørn Mork <bjorn@mork.no> | 2014-04-27 18:47:44 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-28 01:59:24 +0400 |
| commit | d712ca91db6d5463ca5a9b06eb6ba937c59a15fa (patch) | |
| tree | 9b887d94c5f70a41413c6943cde202b7661e69ca /drivers/usb/serial/qcserial.c | |
| parent | ce1b066136a30079c4e6e81e015ad9bc2180d46f (diff) | |
| download | linux-d712ca91db6d5463ca5a9b06eb6ba937c59a15fa.tar.xz | |
usb: qcserial: refactor device layout selection
Preparing for more supported standard device layouts. Keeping
the matching macros unchanged to avoid breaking stable
backporting of new device additions.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/qcserial.c')
| -rw-r--r-- | drivers/usb/serial/qcserial.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index e282155dd4a1..217e29ccde52 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -22,8 +22,14 @@ #define DRIVER_AUTHOR "Qualcomm Inc" #define DRIVER_DESC "Qualcomm USB Serial driver" +/* standard device layouts supported by this driver */ +enum qcserial_layouts { + QCSERIAL_G2K = 0, /* Gobi 2000 */ + QCSERIAL_G1K = 1, /* Gobi 1000 */ +}; + #define DEVICE_G1K(v, p) \ - USB_DEVICE(v, p), .driver_info = 1 + USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K static const struct usb_device_id id_table[] = { /* Gobi 1000 devices */ @@ -178,11 +184,8 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) int retval = -ENODEV; __u8 nintf; __u8 ifnum; - bool is_gobi1k = id->driver_info ? true : false; int altsetting = -1; - dev_dbg(dev, "Is Gobi 1000 = %d\n", is_gobi1k); - nintf = serial->dev->actconfig->desc.bNumInterfaces; dev_dbg(dev, "Num Interfaces = %d\n", nintf); ifnum = intf->desc.bInterfaceNumber; @@ -230,7 +233,8 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) * gets handled by other drivers. */ - if (is_gobi1k) { + switch (id->driver_info) { + case QCSERIAL_G1K: /* * Gobi 1K USB layout: * 0: DM/DIAG (use libqcdm from ModemManager for communication) @@ -245,7 +249,8 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) dev_dbg(dev, "Modem port found\n"); else altsetting = -1; - } else { + break; + case QCSERIAL_G2K: /* * Gobi 2K+ USB layout: * 0: QMI/net @@ -273,6 +278,11 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n"); break; } + break; + default: + dev_err(dev, "unsupported device layout type: %lu\n", + id->driver_info); + break; } done: |