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path: root/drivers/tty/serial/ifx6x60.c
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Diffstat (limited to 'drivers/tty/serial/ifx6x60.c')
-rw-r--r--drivers/tty/serial/ifx6x60.c80
1 files changed, 4 insertions, 76 deletions
diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 68d7ce997ed..8b1534c424a 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -270,23 +270,6 @@ static void mrdy_assert(struct ifx_spi_device *ifx_dev)
}
/**
- * ifx_spi_hangup - hang up an IFX device
- * @ifx_dev: our SPI device
- *
- * Hang up the tty attached to the IFX device if one is currently
- * open. If not take no action
- */
-static void ifx_spi_ttyhangup(struct ifx_spi_device *ifx_dev)
-{
- struct tty_port *pport = &ifx_dev->tty_port;
- struct tty_struct *tty = tty_port_tty_get(pport);
- if (tty) {
- tty_hangup(tty);
- tty_kref_put(tty);
- }
-}
-
-/**
* ifx_spi_timeout - SPI timeout
* @arg: our SPI device
*
@@ -298,7 +281,7 @@ static void ifx_spi_timeout(unsigned long arg)
struct ifx_spi_device *ifx_dev = (struct ifx_spi_device *)arg;
dev_warn(&ifx_dev->spi_dev->dev, "*** SPI Timeout ***");
- ifx_spi_ttyhangup(ifx_dev);
+ tty_port_tty_hangup(&ifx_dev->tty_port, false);
mrdy_set_low(ifx_dev);
clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags);
}
@@ -443,25 +426,6 @@ static void ifx_spi_setup_spi_header(unsigned char *txbuffer, int tx_count,
}
/**
- * ifx_spi_wakeup_serial - SPI space made
- * @port_data: our SPI device
- *
- * We have emptied the FIFO enough that we want to get more data
- * queued into it. Poke the line discipline via tty_wakeup so that
- * it will feed us more bits
- */
-static void ifx_spi_wakeup_serial(struct ifx_spi_device *ifx_dev)
-{
- struct tty_struct *tty;
-
- tty = tty_port_tty_get(&ifx_dev->tty_port);
- if (!tty)
- return;
- tty_wakeup(tty);
- tty_kref_put(tty);
-}
-
-/**
* ifx_spi_prepare_tx_buffer - prepare transmit frame
* @ifx_dev: our SPI device
*
@@ -506,7 +470,7 @@ static int ifx_spi_prepare_tx_buffer(struct ifx_spi_device *ifx_dev)
tx_count += temp_count;
if (temp_count == queue_length)
/* poke port to get more data */
- ifx_spi_wakeup_serial(ifx_dev);
+ tty_port_tty_wakeup(&ifx_dev->tty_port);
else /* more data in port, use next SPI message */
ifx_dev->spi_more = 1;
}
@@ -683,8 +647,6 @@ static void ifx_spi_insert_flip_string(struct ifx_spi_device *ifx_dev,
static void ifx_spi_complete(void *ctx)
{
struct ifx_spi_device *ifx_dev = ctx;
- struct tty_struct *tty;
- struct tty_ldisc *ldisc = NULL;
int length;
int actual_length;
unsigned char more;
@@ -762,15 +724,7 @@ complete_exit:
*/
ifx_spi_power_state_clear(ifx_dev,
IFX_SPI_POWER_DATA_PENDING);
- tty = tty_port_tty_get(&ifx_dev->tty_port);
- if (tty) {
- ldisc = tty_ldisc_ref(tty);
- if (ldisc) {
- ldisc->ops->write_wakeup(tty);
- tty_ldisc_deref(ldisc);
- }
- tty_kref_put(tty);
- }
+ tty_port_tty_wakeup(&ifx_dev->tty_port);
}
}
}
@@ -962,7 +916,7 @@ static irqreturn_t ifx_spi_reset_interrupt(int irq, void *dev)
set_bit(MR_INPROGRESS, &ifx_dev->mdm_reset_state);
if (!solreset) {
/* unsolicited reset */
- ifx_spi_ttyhangup(ifx_dev);
+ tty_port_tty_hangup(&ifx_dev->tty_port, false);
}
} else {
/* exited reset */
@@ -1325,30 +1279,6 @@ static void ifx_spi_spi_shutdown(struct spi_device *spi)
*/
/**
- * ifx_spi_spi_suspend - suspend SPI on system suspend
- * @dev: device being suspended
- *
- * Suspend the SPI side. No action needed on Intel MID platforms, may
- * need extending for other systems.
- */
-static int ifx_spi_spi_suspend(struct spi_device *spi, pm_message_t msg)
-{
- return 0;
-}
-
-/**
- * ifx_spi_spi_resume - resume SPI side on system resume
- * @dev: device being suspended
- *
- * Suspend the SPI side. No action needed on Intel MID platforms, may
- * need extending for other systems.
- */
-static int ifx_spi_spi_resume(struct spi_device *spi)
-{
- return 0;
-}
-
-/**
* ifx_spi_pm_suspend - suspend modem on system suspend
* @dev: device being suspended
*
@@ -1437,8 +1367,6 @@ static struct spi_driver ifx_spi_driver = {
.probe = ifx_spi_spi_probe,
.shutdown = ifx_spi_spi_shutdown,
.remove = ifx_spi_spi_remove,
- .suspend = ifx_spi_spi_suspend,
- .resume = ifx_spi_spi_resume,
.id_table = ifx_id_table
};