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path: root/drivers/tty/serial/serial-tegra.c
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Diffstat (limited to 'drivers/tty/serial/serial-tegra.c')
-rw-r--r--drivers/tty/serial/serial-tegra.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index d4ec943cb8e9..6d4006b41975 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -411,7 +411,7 @@ static int tegra_set_baudrate(struct tegra_uart_port *tup, unsigned int baud)
divisor = DIV_ROUND_CLOSEST(rate, baud * 16);
}
- spin_lock_irqsave(&tup->uport.lock, flags);
+ uart_port_lock_irqsave(&tup->uport, &flags);
lcr = tup->lcr_shadow;
lcr |= UART_LCR_DLAB;
tegra_uart_write(tup, lcr, UART_LCR);
@@ -424,7 +424,7 @@ static int tegra_set_baudrate(struct tegra_uart_port *tup, unsigned int baud)
/* Dummy read to ensure the write is posted */
tegra_uart_read(tup, UART_SCR);
- spin_unlock_irqrestore(&tup->uport.lock, flags);
+ uart_port_unlock_irqrestore(&tup->uport, flags);
tup->current_baud = baud;
@@ -522,13 +522,13 @@ static void tegra_uart_tx_dma_complete(void *args)
dmaengine_tx_status(tup->tx_dma_chan, tup->tx_cookie, &state);
count = tup->tx_bytes_requested - state.residue;
async_tx_ack(tup->tx_dma_desc);
- spin_lock_irqsave(&tup->uport.lock, flags);
+ uart_port_lock_irqsave(&tup->uport, &flags);
uart_xmit_advance(&tup->uport, count);
tup->tx_in_progress = 0;
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&tup->uport);
tegra_uart_start_next_tx(tup);
- spin_unlock_irqrestore(&tup->uport.lock, flags);
+ uart_port_unlock_irqrestore(&tup->uport, flags);
}
static int tegra_uart_start_tx_dma(struct tegra_uart_port *tup,
@@ -598,13 +598,13 @@ static unsigned int tegra_uart_tx_empty(struct uart_port *u)
unsigned int ret = 0;
unsigned long flags;
- spin_lock_irqsave(&u->lock, flags);
+ uart_port_lock_irqsave(u, &flags);
if (!tup->tx_in_progress) {
unsigned long lsr = tegra_uart_read(tup, UART_LSR);
if ((lsr & TX_EMPTY_STATUS) == TX_EMPTY_STATUS)
ret = TIOCSER_TEMT;
}
- spin_unlock_irqrestore(&u->lock, flags);
+ uart_port_unlock_irqrestore(u, flags);
return ret;
}
@@ -727,7 +727,7 @@ static void tegra_uart_rx_dma_complete(void *args)
struct dma_tx_state state;
enum dma_status status;
- spin_lock_irqsave(&u->lock, flags);
+ uart_port_lock_irqsave(u, &flags);
status = dmaengine_tx_status(tup->rx_dma_chan, tup->rx_cookie, &state);
@@ -749,7 +749,7 @@ static void tegra_uart_rx_dma_complete(void *args)
set_rts(tup, true);
done:
- spin_unlock_irqrestore(&u->lock, flags);
+ uart_port_unlock_irqrestore(u, flags);
}
static void tegra_uart_terminate_rx_dma(struct tegra_uart_port *tup)
@@ -836,7 +836,7 @@ static irqreturn_t tegra_uart_isr(int irq, void *data)
bool is_rx_int = false;
unsigned long flags;
- spin_lock_irqsave(&u->lock, flags);
+ uart_port_lock_irqsave(u, &flags);
while (1) {
iir = tegra_uart_read(tup, UART_IIR);
if (iir & UART_IIR_NO_INT) {
@@ -852,7 +852,7 @@ static irqreturn_t tegra_uart_isr(int irq, void *data)
} else if (is_rx_start) {
tegra_uart_start_rx_dma(tup);
}
- spin_unlock_irqrestore(&u->lock, flags);
+ uart_port_unlock_irqrestore(u, flags);
return IRQ_HANDLED;
}
@@ -969,11 +969,11 @@ static void tegra_uart_hw_deinit(struct tegra_uart_port *tup)
}
}
- spin_lock_irqsave(&tup->uport.lock, flags);
+ uart_port_lock_irqsave(&tup->uport, &flags);
/* Reset the Rx and Tx FIFOs */
tegra_uart_fifo_reset(tup, UART_FCR_CLEAR_XMIT | UART_FCR_CLEAR_RCVR);
tup->current_baud = 0;
- spin_unlock_irqrestore(&tup->uport.lock, flags);
+ uart_port_unlock_irqrestore(&tup->uport, flags);
tup->rx_in_progress = 0;
tup->tx_in_progress = 0;
@@ -1292,7 +1292,7 @@ static void tegra_uart_set_termios(struct uart_port *u,
int ret;
max_divider *= 16;
- spin_lock_irqsave(&u->lock, flags);
+ uart_port_lock_irqsave(u, &flags);
/* Changing configuration, it is safe to stop any rx now */
if (tup->rts_active)
@@ -1341,7 +1341,7 @@ static void tegra_uart_set_termios(struct uart_port *u,
baud = uart_get_baud_rate(u, termios, oldtermios,
parent_clk_rate/max_divider,
parent_clk_rate/16);
- spin_unlock_irqrestore(&u->lock, flags);
+ uart_port_unlock_irqrestore(u, flags);
ret = tegra_set_baudrate(tup, baud);
if (ret < 0) {
dev_err(tup->uport.dev, "Failed to set baud rate\n");
@@ -1349,7 +1349,7 @@ static void tegra_uart_set_termios(struct uart_port *u,
}
if (tty_termios_baud_rate(termios))
tty_termios_encode_baud_rate(termios, baud, baud);
- spin_lock_irqsave(&u->lock, flags);
+ uart_port_lock_irqsave(u, &flags);
/* Flow control */
if (termios->c_cflag & CRTSCTS) {
@@ -1382,7 +1382,7 @@ static void tegra_uart_set_termios(struct uart_port *u,
if (termios->c_iflag & IGNBRK)
tup->uport.ignore_status_mask |= UART_LSR_BI;
- spin_unlock_irqrestore(&u->lock, flags);
+ uart_port_unlock_irqrestore(u, flags);
}
static const char *tegra_uart_type(struct uart_port *u)