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path: root/drivers/tty/serial/msm_serial_hs.c
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Diffstat (limited to 'drivers/tty/serial/msm_serial_hs.c')
-rw-r--r--drivers/tty/serial/msm_serial_hs.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index 1fa92284ade..4a942c78347 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -908,6 +908,7 @@ static void msm_hs_dmov_rx_callback(struct msm_dmov_cmd *cmd_ptr,
unsigned long flags;
unsigned int flush;
struct tty_struct *tty;
+ struct tty_port *port;
struct uart_port *uport;
struct msm_hs_port *msm_uport;
@@ -917,7 +918,8 @@ static void msm_hs_dmov_rx_callback(struct msm_dmov_cmd *cmd_ptr,
spin_lock_irqsave(&uport->lock, flags);
clk_enable(msm_uport->clk);
- tty = uport->state->port.tty;
+ port = &uport->state->port;
+ tty = port->tty;
msm_hs_write(uport, UARTDM_CR_ADDR, STALE_EVENT_DISABLE);
@@ -926,7 +928,7 @@ static void msm_hs_dmov_rx_callback(struct msm_dmov_cmd *cmd_ptr,
/* overflow is not connect to data in a FIFO */
if (unlikely((status & UARTDM_SR_OVERRUN_BMSK) &&
(uport->read_status_mask & CREAD))) {
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(port, 0, TTY_OVERRUN);
uport->icount.buf_overrun++;
error_f = 1;
}
@@ -939,7 +941,7 @@ static void msm_hs_dmov_rx_callback(struct msm_dmov_cmd *cmd_ptr,
uport->icount.parity++;
error_f = 1;
if (uport->ignore_status_mask & IGNPAR)
- tty_insert_flip_char(tty, 0, TTY_PARITY);
+ tty_insert_flip_char(port, 0, TTY_PARITY);
}
if (error_f)
@@ -959,7 +961,7 @@ static void msm_hs_dmov_rx_callback(struct msm_dmov_cmd *cmd_ptr,
rx_count = msm_hs_read(uport, UARTDM_RX_TOTAL_SNAP_ADDR);
if (0 != (uport->read_status_mask & CREAD)) {
- retval = tty_insert_flip_string(tty, msm_uport->rx.buffer,
+ retval = tty_insert_flip_string(port, msm_uport->rx.buffer,
rx_count);
BUG_ON(retval != rx_count);
}
@@ -979,9 +981,8 @@ static void msm_hs_tty_flip_buffer_work(struct work_struct *work)
{
struct msm_hs_port *msm_uport =
container_of(work, struct msm_hs_port, rx.tty_work);
- struct tty_struct *tty = msm_uport->uport.state->port.tty;
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(&msm_uport->uport.state->port);
}
/*
@@ -1344,7 +1345,6 @@ static irqreturn_t msm_hs_rx_wakeup_isr(int irq, void *dev)
unsigned long flags;
struct msm_hs_port *msm_uport = dev;
struct uart_port *uport = &msm_uport->uport;
- struct tty_struct *tty = NULL;
spin_lock_irqsave(&uport->lock, flags);
if (msm_uport->clk_state == MSM_HS_CLK_OFF) {
@@ -1361,8 +1361,7 @@ static irqreturn_t msm_hs_rx_wakeup_isr(int irq, void *dev)
* optionally inject char into tty rx */
msm_hs_request_clock_on_locked(uport);
if (msm_uport->rx_wakeup.inject_rx) {
- tty = uport->state->port.tty;
- tty_insert_flip_char(tty,
+ tty_insert_flip_char(&uport->state->port,
msm_uport->rx_wakeup.rx_to_inject,
TTY_NORMAL);
queue_work(msm_hs_workqueue, &msm_uport->rx.tty_work);
@@ -1400,7 +1399,7 @@ static int msm_hs_startup(struct uart_port *uport)
/* do not let tty layer execute RX in global workqueue, use a
* dedicated workqueue managed by this driver */
- uport->state->port.tty->low_latency = 1;
+ uport->state->port.low_latency = 1;
/* turn on uart clk */
ret = msm_hs_init_clk_locked(uport);