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keyspan: Use string flip functions when possible 

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2008-07-22 11:13:32 +01:00 committed by Linus Torvalds
parent deb9168578
commit f035a8ad15
1 changed files with 7 additions and 9 deletions
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16
drivers/usb/serial/keyspan.c
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@ -577,7 +577,7 @@ static void usa26_glocont_callback(struct urb *urb)
static void usa28_indat_callback(struct urb *urb)
{
int i, err;
int err;
struct usb_serial_port *port;
struct tty_struct *tty;
unsigned char *data;
@ -606,8 +606,7 @@ static void usa28_indat_callback(struct urb *urb)
tty = port->port.tty;
if (urb->actual_length) {
for (i = 0; i < urb->actual_length ; ++i)
tty_insert_flip_char(tty, data[i], 0);
tty_insert_flip_string(tty, data, urb->actual_length);
tty_flip_buffer_push(tty);
}
@ -833,8 +832,8 @@ static void usa49_indat_callback(struct urb *urb)
/* 0x80 bit is error flag */
if ((data[0] & 0x80) == 0) {
/* no error on any byte */
for (i = 1; i < urb->actual_length ; ++i)
tty_insert_flip_char(tty, data[i], 0);
tty_insert_flip_string(tty, data + 1,
urb->actual_length - 1);
} else {
/* some bytes had errors, every byte has status */
for (i = 0; i + 1 < urb->actual_length; i += 2) {
@ -973,10 +972,9 @@ static void usa90_indat_callback(struct urb *urb)
/* if current mode is DMA, looks like usa28 format
otherwise looks like usa26 data format */
if (p_priv->baud > 57600) {
for (i = 0; i < urb->actual_length ; ++i)
tty_insert_flip_char(tty, data[i], 0);
} else {
if (p_priv->baud > 57600)
tty_insert_flip_string(tty, data, urb->actual_length);
else {
/* 0x80 bit is error flag */
if ((data[0] & 0x80) == 0) {
/* no errors on individual bytes, only