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path: root/drivers/usb/serial/spcp8x5.c
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Diffstat (limited to 'drivers/usb/serial/spcp8x5.c')
-rw-r--r--drivers/usb/serial/spcp8x5.c27
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 1e58220403d..5d39191e724 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -45,7 +45,7 @@ static int debug;
#define SPCP8x5_835_VID 0x04fc
#define SPCP8x5_835_PID 0x0231
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
{ USB_DEVICE(SPCP8x5_PHILIPS_VID , SPCP8x5_PHILIPS_PID)},
{ USB_DEVICE(SPCP8x5_INTERMATIC_VID, SPCP8x5_INTERMATIC_PID)},
{ USB_DEVICE(SPCP8x5_835_VID, SPCP8x5_835_PID)},
@@ -609,7 +609,7 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
if (i < 0)
dev_err(&port->dev, "Set UART format %#x failed (error = %d)\n",
uartdata, i);
- dbg("0x21:0x40:0:0 %d\n", i);
+ dbg("0x21:0x40:0:0 %d", i);
if (cflag & CRTSCTS) {
/* enable hardware flow control */
@@ -677,7 +677,6 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
struct tty_struct *tty;
unsigned char *data = urb->transfer_buffer;
unsigned long flags;
- int i;
int result = urb->status;
u8 status;
char tty_flag;
@@ -687,8 +686,6 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
/* check the urb status */
if (result) {
- if (!port->port.count)
- return;
if (result == -EPROTO) {
/* spcp8x5 mysteriously fails with -EPROTO */
/* reschedule the read */
@@ -726,26 +723,20 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
tty = tty_port_tty_get(&port->port);
if (tty && urb->actual_length) {
- tty_buffer_request_room(tty, urb->actual_length + 1);
/* overrun is special, not associated with a char */
if (status & UART_OVERRUN_ERROR)
tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- for (i = 0; i < urb->actual_length; ++i)
- tty_insert_flip_char(tty, data[i], tty_flag);
+ tty_insert_flip_string_fixed_flag(tty, data,
+ urb->actual_length, tty_flag);
tty_flip_buffer_push(tty);
}
tty_kref_put(tty);
- /* Schedule the next read _if_ we are still open */
- if (port->port.count) {
- urb->dev = port->serial->dev;
- result = usb_submit_urb(urb , GFP_ATOMIC);
- if (result)
- dev_dbg(&port->dev, "failed submitting read urb %d\n",
- result);
- }
-
- return;
+ /* Schedule the next read */
+ urb->dev = port->serial->dev;
+ result = usb_submit_urb(urb , GFP_ATOMIC);
+ if (result)
+ dev_dbg(&port->dev, "failed submitting read urb %d\n", result);
}
/* get data from ring buffer and then write to usb bus */