diff options
| author | Matthew Garrett <mjg@redhat.com> | 2010-04-01 12:31:09 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-20 13:21:37 -0700 |
| commit | 3d7e59ad88fdb6bc50ae9b7e822d4bb5f68b68f9 (patch) | |
| tree | d7ed39b734ef2cdf4591f18195230c609ea578c1 /drivers/usb/serial/qcserial.c | |
| parent | 8b4c6a3ab596961b784659c71dc24b341f938a1a (diff) | |
| download | lwn-3d7e59ad88fdb6bc50ae9b7e822d4bb5f68b68f9.tar.gz lwn-3d7e59ad88fdb6bc50ae9b7e822d4bb5f68b68f9.zip | |
USB: qcserial: Use generic USB wwan code
Make qcserial use the generic USB wwan code. This should result in a
performance improvement.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/qcserial.c')
| -rw-r--r-- | drivers/usb/serial/qcserial.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 53a2d5a935a2..9215f6c582c3 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -15,6 +15,8 @@ #include <linux/tty_flip.h> #include <linux/usb.h> #include <linux/usb/serial.h> +#include <linux/slab.h> +#include "usb-wwan.h" #define DRIVER_AUTHOR "Qualcomm Inc" #define DRIVER_DESC "Qualcomm USB Serial driver" @@ -92,6 +94,7 @@ static struct usb_driver qcdriver = { static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) { + struct usb_wwan_intf_private *data; int retval = -ENODEV; __u8 nintf; __u8 ifnum; @@ -103,6 +106,13 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber; dbg("This Interface = %d", ifnum); + data = serial->private = kzalloc(sizeof(struct usb_wwan_intf_private), + GFP_KERNEL); + if (!data) + return -ENOMEM; + + spin_lock_init(&data->susp_lock); + switch (nintf) { case 1: /* QDL mode */ @@ -161,6 +171,18 @@ static struct usb_serial_driver qcdevice = { .usb_driver = &qcdriver, .num_ports = 1, .probe = qcprobe, + .open = usb_wwan_open, + .close = usb_wwan_close, + .write = usb_wwan_write, + .write_room = usb_wwan_write_room, + .chars_in_buffer = usb_wwan_chars_in_buffer, + .attach = usb_wwan_startup, + .disconnect = usb_wwan_disconnect, + .release = usb_wwan_release, +#ifdef CONFIG_PM + .suspend = usb_wwan_suspend, + .resume = usb_wwan_resume, +#endif }; static int __init qcinit(void) |