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path: root/drivers/ipack/devices/ipoctal.c
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Diffstat (limited to 'drivers/ipack/devices/ipoctal.c')
-rw-r--r--drivers/ipack/devices/ipoctal.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/ipack/devices/ipoctal.c b/drivers/ipack/devices/ipoctal.c
index fc00274070b6..ba2e9e52d72b 100644
--- a/drivers/ipack/devices/ipoctal.c
+++ b/drivers/ipack/devices/ipoctal.c
@@ -158,9 +158,7 @@ static int ipoctal_get_icount(struct tty_struct *tty,
static void ipoctal_irq_rx(struct ipoctal_channel *channel, u8 sr)
{
struct tty_port *port = &channel->tty_port;
- unsigned char value;
- unsigned char flag;
- u8 isr;
+ u8 isr, value, flag;
do {
value = ioread8(&channel->regs->r.rhr);
@@ -202,8 +200,8 @@ static void ipoctal_irq_rx(struct ipoctal_channel *channel, u8 sr)
static void ipoctal_irq_tx(struct ipoctal_channel *channel)
{
- unsigned char value;
unsigned int *pointer_write = &channel->pointer_write;
+ u8 value;
if (channel->nb_bytes == 0)
return;
@@ -253,7 +251,7 @@ static void ipoctal_irq_channel(struct ipoctal_channel *channel)
static irqreturn_t ipoctal_irq_handler(void *arg)
{
unsigned int i;
- struct ipoctal *ipoctal = (struct ipoctal *) arg;
+ struct ipoctal *ipoctal = arg;
/* Clear the IPack device interrupt */
readw(ipoctal->int_space + ACK_INT_REQ0);
@@ -436,12 +434,11 @@ err_put_driver:
return res;
}
-static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
- const unsigned char *buf,
- int count)
+static inline size_t ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
+ const u8 *buf, size_t count)
{
unsigned long flags;
- int i;
+ size_t i;
unsigned int *pointer_read = &channel->pointer_read;
/* Copy the bytes from the user buffer to the internal one */
@@ -459,11 +456,11 @@ static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
return i;
}
-static int ipoctal_write_tty(struct tty_struct *tty,
- const unsigned char *buf, int count)
+static ssize_t ipoctal_write_tty(struct tty_struct *tty, const u8 *buf,
+ size_t count)
{
struct ipoctal_channel *channel = tty->driver_data;
- unsigned int char_copied;
+ size_t char_copied;
char_copied = ipoctal_copy_write_buffer(channel, buf, count);
@@ -647,7 +644,7 @@ static void ipoctal_hangup(struct tty_struct *tty)
tty_port_hangup(&channel->tty_port);
ipoctal_reset_channel(channel);
- tty_port_set_initialized(&channel->tty_port, 0);
+ tty_port_set_initialized(&channel->tty_port, false);
wake_up_interruptible(&channel->tty_port.open_wait);
}
@@ -659,7 +656,7 @@ static void ipoctal_shutdown(struct tty_struct *tty)
return;
ipoctal_reset_channel(channel);
- tty_port_set_initialized(&channel->tty_port, 0);
+ tty_port_set_initialized(&channel->tty_port, false);
}
static void ipoctal_cleanup(struct tty_struct *tty)