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authorAlan Cox <alan@linux.intel.com>2010-02-17 16:07:13 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-03 01:43:22 +0300
commit4165fe4ef7305609a96c7f248cefb9c414d0ede5 (patch)
tree3e239b821a4b5365c7e15996d44fbf4726cd7840
parent638b9648ab51c9c549ff5735d3de519ef6199df3 (diff)
downloadlinux-4165fe4ef7305609a96c7f248cefb9c414d0ede5.tar.xz
tty: Fix up char drivers request_room usage
We can't change them all but quite a few misuse it. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/char/nozomi.c2
-rw-r--r--drivers/char/serial167.c3
-rw-r--r--drivers/char/specialix.c2
-rw-r--r--drivers/serial/icom.c1
-rw-r--r--drivers/serial/ioc3_serial.c3
5 files changed, 2 insertions, 9 deletions
diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index 584910ff725e..a3f32a15fde4 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -853,8 +853,6 @@ static int receive_data(enum port_type index, struct nozomi *dc)
goto put;
}
- tty_buffer_request_room(tty, size);
-
while (size > 0) {
read_mem32((u32 *) buf, addr + offset, RECEIVE_BUF_MAX);
diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index 452370af95de..986aa606a6b6 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -658,8 +658,7 @@ static irqreturn_t cd2401_rx_interrupt(int irq, void *dev_id)
info->mon.char_max = char_count;
info->mon.char_last = char_count;
#endif
- len = tty_buffer_request_room(tty, char_count);
- while (len--) {
+ while (char_count--) {
data = base_addr[CyRDR];
tty_insert_flip_char(tty, data, TTY_NORMAL);
#ifdef CYCLOM_16Y_HACK
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index 268e17f9ec3f..07ac14d949ce 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -646,8 +646,6 @@ static void sx_receive(struct specialix_board *bp)
dprintk(SX_DEBUG_RX, "port: %p: count: %d\n", port, count);
port->hits[count > 8 ? 9 : count]++;
- tty_buffer_request_room(tty, count);
-
while (count--)
tty_insert_flip_char(tty, sx_in(bp, CD186x_RDR), TTY_NORMAL);
tty_flip_buffer_push(tty);
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index 6e715b78d7a6..53a468227056 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -751,7 +751,6 @@ static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
trace(icom_port, "FID_STATUS", status);
count = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].leLength);
- count = tty_buffer_request_room(tty, count);
trace(icom_port, "RCV_COUNT", count);
trace(icom_port, "REAL_COUNT", count);
diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c
index 85dc0410ac1a..23ba6b40b3ac 100644
--- a/drivers/serial/ioc3_serial.c
+++ b/drivers/serial/ioc3_serial.c
@@ -1411,8 +1411,7 @@ static int receive_chars(struct uart_port *the_port)
read_count = do_read(the_port, ch, MAX_CHARS);
if (read_count > 0) {
flip = 1;
- read_room = tty_buffer_request_room(tty, read_count);
- tty_insert_flip_string(tty, ch, read_room);
+ read_room = tty_insert_flip_string(tty, ch, read_count);
the_port->icount.rx += read_count;
}
spin_unlock_irqrestore(&the_port->lock, pflags);