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path: root/drivers/usb/serial/option.c
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Diffstat (limited to 'drivers/usb/serial/option.c')
-rw-r--r--drivers/usb/serial/option.c47
1 files changed, 35 insertions, 12 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 5d3999e3ff61..a18659e0700c 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -38,6 +38,7 @@
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/module.h>
+#include <linux/bitops.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
@@ -107,8 +108,10 @@ static int option_send_setup(struct usb_serial_port *port);
#define HUAWEI_VENDOR_ID 0x12D1
#define HUAWEI_PRODUCT_E600 0x1001
#define HUAWEI_PRODUCT_E220 0x1003
+#define HUAWEI_PRODUCT_E220BIS 0x1004
#define NOVATELWIRELESS_VENDOR_ID 0x1410
+#define DELL_VENDOR_ID 0x413C
#define ANYDATA_VENDOR_ID 0x16d5
#define ANYDATA_PRODUCT_ADU_E100A 0x6501
@@ -118,8 +121,6 @@ static int option_send_setup(struct usb_serial_port *port);
#define BANDRICH_PRODUCT_C100_1 0x1002
#define BANDRICH_PRODUCT_C100_2 0x1003
-#define DELL_VENDOR_ID 0x413C
-
static struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -158,6 +159,7 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220) },
+ { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1100) }, /* Novatel Merlin XS620/S640 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1110) }, /* Novatel Merlin S620 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1120) }, /* Novatel Merlin EX720 */
@@ -170,11 +172,17 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2110) }, /* Novatel Merlin ES620 / Merlin ES720 / Ovation U720 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2130) }, /* Novatel Merlin ES620 SM Bus */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2410) }, /* Novatel EU740 */
+ { USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
+ { USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
+ { USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
+ { USB_DEVICE(DELL_VENDOR_ID, 0x8117) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
+ { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
+ { USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */
+ { USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
- { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
@@ -240,6 +248,7 @@ struct option_port_private {
/* Output endpoints and buffer for this port */
struct urb *out_urbs[N_OUT_URB];
char out_buffer[N_OUT_URB][OUT_BUFLEN];
+ unsigned long out_busy; /* Bit vector of URBs in use */
/* Settings for the port */
int rts_state; /* Handshaking pins (outputs) */
@@ -370,7 +379,7 @@ static int option_write(struct usb_serial_port *port,
todo = OUT_BUFLEN;
this_urb = portdata->out_urbs[i];
- if (this_urb->status == -EINPROGRESS) {
+ if (test_and_set_bit(i, &portdata->out_busy)) {
if (time_before(jiffies,
portdata->tx_start_time[i] + 10 * HZ))
continue;
@@ -394,6 +403,7 @@ static int option_write(struct usb_serial_port *port,
dbg("usb_submit_urb %p (write bulk) failed "
"(%d, has %d)", this_urb,
err, this_urb->status);
+ clear_bit(i, &portdata->out_busy);
continue;
}
portdata->tx_start_time[i] = jiffies;
@@ -413,15 +423,16 @@ static void option_indat_callback(struct urb *urb)
struct usb_serial_port *port;
struct tty_struct *tty;
unsigned char *data = urb->transfer_buffer;
+ int status = urb->status;
dbg("%s: %p", __FUNCTION__, urb);
endpoint = usb_pipeendpoint(urb->pipe);
port = (struct usb_serial_port *) urb->context;
- if (urb->status) {
+ if (status) {
dbg("%s: nonzero status: %d on endpoint %02x.",
- __FUNCTION__, urb->status, endpoint);
+ __FUNCTION__, status, endpoint);
} else {
tty = port->tty;
if (urb->actual_length) {
@@ -433,7 +444,7 @@ static void option_indat_callback(struct urb *urb)
}
/* Resubmit urb so we continue receiving */
- if (port->open_count && urb->status != -ESHUTDOWN) {
+ if (port->open_count && status != -ESHUTDOWN) {
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err)
printk(KERN_ERR "%s: resubmit read urb failed. "
@@ -446,17 +457,29 @@ static void option_indat_callback(struct urb *urb)
static void option_outdat_callback(struct urb *urb)
{
struct usb_serial_port *port;
+ struct option_port_private *portdata;
+ int i;
dbg("%s", __FUNCTION__);
port = (struct usb_serial_port *) urb->context;
usb_serial_port_softint(port);
+
+ portdata = usb_get_serial_port_data(port);
+ for (i = 0; i < N_OUT_URB; ++i) {
+ if (portdata->out_urbs[i] == urb) {
+ smp_mb__before_clear_bit();
+ clear_bit(i, &portdata->out_busy);
+ break;
+ }
+ }
}
static void option_instat_callback(struct urb *urb)
{
int err;
+ int status = urb->status;
struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
struct option_port_private *portdata = usb_get_serial_port_data(port);
struct usb_serial *serial = port->serial;
@@ -464,7 +487,7 @@ static void option_instat_callback(struct urb *urb)
dbg("%s", __FUNCTION__);
dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata);
- if (urb->status == 0) {
+ if (status == 0) {
struct usb_ctrlrequest *req_pkt =
(struct usb_ctrlrequest *)urb->transfer_buffer;
@@ -495,10 +518,10 @@ static void option_instat_callback(struct urb *urb)
req_pkt->bRequestType,req_pkt->bRequest);
}
} else
- dbg("%s: error %d", __FUNCTION__, urb->status);
+ dbg("%s: error %d", __FUNCTION__, status);
/* Resubmit urb so we continue receiving IRQ data */
- if (urb->status != -ESHUTDOWN) {
+ if (status != -ESHUTDOWN) {
urb->dev = serial->dev;
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err)
@@ -518,7 +541,7 @@ static int option_write_room(struct usb_serial_port *port)
for (i=0; i < N_OUT_URB; i++) {
this_urb = portdata->out_urbs[i];
- if (this_urb && this_urb->status != -EINPROGRESS)
+ if (this_urb && !test_bit(i, &portdata->out_busy))
data_len += OUT_BUFLEN;
}
@@ -537,7 +560,7 @@ static int option_chars_in_buffer(struct usb_serial_port *port)
for (i=0; i < N_OUT_URB; i++) {
this_urb = portdata->out_urbs[i];
- if (this_urb && this_urb->status == -EINPROGRESS)
+ if (this_urb && test_bit(i, &portdata->out_busy))
data_len += this_urb->transfer_buffer_length;
}
dbg("%s: %d", __FUNCTION__, data_len);
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-23 03:41:00 +0000