From 3d7e59ad88fdb6bc50ae9b7e822d4bb5f68b68f9 Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Thu, 1 Apr 2010 12:31:09 -0400 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/Kconfig | 1 + drivers/usb/serial/qcserial.c | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index fdc889dc9fd8..efb6dc7aa450 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -485,6 +485,7 @@ config USB_SERIAL_QCAUX config USB_SERIAL_QUALCOMM tristate "USB Qualcomm Serial modem" + select USB_SERIAL_WWAN help Say Y here if you have a Qualcomm USB modem device. These are usually wireless cellular modems. 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 #include #include +#include +#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) -- 2.30.2