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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.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/ipack/devices/ipoctal.c b/drivers/ipack/devices/ipoctal.c
index a01c15812b70..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;
@@ -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);