diff options
Diffstat (limited to 'drivers/ipack/devices/ipoctal.c')
| -rw-r--r-- | drivers/ipack/devices/ipoctal.c | 35 |
1 files changed, 14 insertions, 21 deletions
diff --git a/drivers/ipack/devices/ipoctal.c b/drivers/ipack/devices/ipoctal.c index e41bef048c23..a1514a79e487 100644 --- a/drivers/ipack/devices/ipoctal.c +++ b/drivers/ipack/devices/ipoctal.c @@ -55,6 +55,16 @@ struct ipoctal { u8 __iomem *int_space; }; +static void ipoctal_reset_channel(struct ipoctal_channel *channel) +{ + iowrite8(CR_DISABLE_RX | CR_DISABLE_TX, &channel->regs->w.cr); + channel->rx_enable = 0; + iowrite8(CR_CMD_RESET_RX, &channel->regs->w.cr); + iowrite8(CR_CMD_RESET_TX, &channel->regs->w.cr); + iowrite8(CR_CMD_RESET_ERR_STATUS, &channel->regs->w.cr); + iowrite8(CR_CMD_RESET_MR, &channel->regs->w.cr); +} + static int ipoctal_port_activate(struct tty_port *port, struct tty_struct *tty) { struct ipoctal_channel *channel; @@ -304,10 +314,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, channel->isr_rx_rdy_mask = ISR_RxRDY_FFULL_A; } - iowrite8(CR_DISABLE_RX | CR_DISABLE_TX, &channel->regs->w.cr); - channel->rx_enable = 0; - iowrite8(CR_CMD_RESET_RX, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_TX, &channel->regs->w.cr); + ipoctal_reset_channel(channel); iowrite8(MR1_CHRL_8_BITS | MR1_ERROR_CHAR | MR1_RxINT_RxRDY, &channel->regs->w.mr); /* mr1 */ iowrite8(0, &channel->regs->w.mr); /* mr2 */ @@ -467,11 +474,7 @@ static void ipoctal_set_termios(struct tty_struct *tty, cflag = tty->termios.c_cflag; /* Disable and reset everything before change the setup */ - iowrite8(CR_DISABLE_RX | CR_DISABLE_TX, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_RX, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_TX, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_ERR_STATUS, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_MR, &channel->regs->w.cr); + ipoctal_reset_channel(channel); /* Set Bits per chars */ switch (cflag & CSIZE) { @@ -609,12 +612,7 @@ static void ipoctal_hangup(struct tty_struct *tty) tty_port_hangup(&channel->tty_port); - iowrite8(CR_DISABLE_RX | CR_DISABLE_TX, &channel->regs->w.cr); - channel->rx_enable = 0; - iowrite8(CR_CMD_RESET_RX, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_TX, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_ERR_STATUS, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_MR, &channel->regs->w.cr); + ipoctal_reset_channel(channel); clear_bit(ASYNCB_INITIALIZED, &channel->tty_port.flags); wake_up_interruptible(&channel->tty_port.open_wait); @@ -627,12 +625,7 @@ static void ipoctal_shutdown(struct tty_struct *tty) if (channel == NULL) return; - iowrite8(CR_DISABLE_RX | CR_DISABLE_TX, &channel->regs->w.cr); - channel->rx_enable = 0; - iowrite8(CR_CMD_RESET_RX, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_TX, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_ERR_STATUS, &channel->regs->w.cr); - iowrite8(CR_CMD_RESET_MR, &channel->regs->w.cr); + ipoctal_reset_channel(channel); clear_bit(ASYNCB_INITIALIZED, &channel->tty_port.flags); } |