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path: root/drivers/net/wan/pc300_tty.c
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Diffstat (limited to 'drivers/net/wan/pc300_tty.c')
-rw-r--r--drivers/net/wan/pc300_tty.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/net/wan/pc300_tty.c b/drivers/net/wan/pc300_tty.c
index 931cbdf6d79..5873c346e7e 100644
--- a/drivers/net/wan/pc300_tty.c
+++ b/drivers/net/wan/pc300_tty.c
@@ -125,8 +125,8 @@ static int cpc_tty_write_room(struct tty_struct *tty);
static int cpc_tty_chars_in_buffer(struct tty_struct *tty);
static void cpc_tty_flush_buffer(struct tty_struct *tty);
static void cpc_tty_hangup(struct tty_struct *tty);
-static void cpc_tty_rx_work(void *data);
-static void cpc_tty_tx_work(void *data);
+static void cpc_tty_rx_work(struct work_struct *work);
+static void cpc_tty_tx_work(struct work_struct *work);
static int cpc_tty_send_to_card(pc300dev_t *dev,void *buf, int len);
static void cpc_tty_trace(pc300dev_t *dev, char* buf, int len, char rxtx);
static void cpc_tty_signal_off(pc300dev_t *pc300dev, unsigned char);
@@ -261,8 +261,8 @@ void cpc_tty_init(pc300dev_t *pc300dev)
cpc_tty->tty_minor = port + CPC_TTY_MINOR_START;
cpc_tty->pc300dev = pc300dev;
- INIT_WORK(&cpc_tty->tty_tx_work, cpc_tty_tx_work, (void *)cpc_tty);
- INIT_WORK(&cpc_tty->tty_rx_work, cpc_tty_rx_work, (void *)port);
+ INIT_WORK(&cpc_tty->tty_tx_work, cpc_tty_tx_work);
+ INIT_WORK(&cpc_tty->tty_rx_work, cpc_tty_rx_work);
cpc_tty->buf_rx.first = cpc_tty->buf_rx.last = NULL;
@@ -659,21 +659,23 @@ static void cpc_tty_hangup(struct tty_struct *tty)
* o call the line disc. read
* o free memory
*/
-static void cpc_tty_rx_work(void * data)
+static void cpc_tty_rx_work(struct work_struct *work)
{
+ st_cpc_tty_area *cpc_tty;
unsigned long port;
int i, j;
- st_cpc_tty_area *cpc_tty;
volatile st_cpc_rx_buf *buf;
char flags=0,flg_rx=1;
struct tty_ldisc *ld;
if (cpc_tty_cnt == 0) return;
-
for (i=0; (i < 4) && flg_rx ; i++) {
flg_rx = 0;
- port = (unsigned long)data;
+
+ cpc_tty = container_of(work, st_cpc_tty_area, tty_rx_work);
+ port = cpc_tty - cpc_tty_area;
+
for (j=0; j < CPC_TTY_NPORTS; j++) {
cpc_tty = &cpc_tty_area[port];
@@ -782,7 +784,7 @@ void cpc_tty_receive(pc300dev_t *pc300dev)
continue;
}
- new = (st_cpc_rx_buf *)kmalloc(rx_len + sizeof(st_cpc_rx_buf), GFP_ATOMIC);
+ new = kmalloc(rx_len + sizeof(st_cpc_rx_buf), GFP_ATOMIC);
if (new == 0) {
cpc_tty_rx_disc_frame(pc300chan);
continue;
@@ -882,9 +884,10 @@ void cpc_tty_receive(pc300dev_t *pc300dev)
* o if need call line discipline wakeup
* o call wake_up_interruptible
*/
-static void cpc_tty_tx_work(void *data)
+static void cpc_tty_tx_work(struct work_struct *work)
{
- st_cpc_tty_area *cpc_tty = (st_cpc_tty_area *) data;
+ st_cpc_tty_area *cpc_tty =
+ container_of(work, st_cpc_tty_area, tty_tx_work);
struct tty_struct *tty;
CPC_TTY_DBG("%s: cpc_tty_tx_work init\n",cpc_tty->name);