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path: root/drivers/tty/serial/amba-pl011.c
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Diffstat (limited to 'drivers/tty/serial/amba-pl011.c')
-rw-r--r--drivers/tty/serial/amba-pl011.c74
1 files changed, 37 insertions, 37 deletions
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 3dc9b0fcab1c..61cc24cd90e4 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -345,9 +345,9 @@ static int pl011_fifo_to_tty(struct uart_amba_port *uap)
flag = TTY_FRAME;
}
- spin_unlock(&uap->port.lock);
+ uart_port_unlock(&uap->port);
sysrq = uart_handle_sysrq_char(&uap->port, ch & 255);
- spin_lock(&uap->port.lock);
+ uart_port_lock(&uap->port);
if (!sysrq)
uart_insert_char(&uap->port, ch, UART011_DR_OE, ch, flag);
@@ -421,7 +421,7 @@ static void pl011_dma_probe(struct uart_amba_port *uap)
/* We need platform data */
if (!plat || !plat->dma_filter) {
- dev_info(uap->port.dev, "no DMA platform data\n");
+ dev_dbg(uap->port.dev, "no DMA platform data\n");
return;
}
@@ -550,7 +550,7 @@ static void pl011_dma_tx_callback(void *data)
unsigned long flags;
u16 dmacr;
- spin_lock_irqsave(&uap->port.lock, flags);
+ uart_port_lock_irqsave(&uap->port, &flags);
if (uap->dmatx.queued)
dma_unmap_sg(dmatx->chan->device->dev, &dmatx->sg, 1,
DMA_TO_DEVICE);
@@ -571,7 +571,7 @@ static void pl011_dma_tx_callback(void *data)
if (!(dmacr & UART011_TXDMAE) || uart_tx_stopped(&uap->port) ||
uart_circ_empty(&uap->port.state->xmit)) {
uap->dmatx.queued = false;
- spin_unlock_irqrestore(&uap->port.lock, flags);
+ uart_port_unlock_irqrestore(&uap->port, flags);
return;
}
@@ -582,7 +582,7 @@ static void pl011_dma_tx_callback(void *data)
*/
pl011_start_tx_pio(uap);
- spin_unlock_irqrestore(&uap->port.lock, flags);
+ uart_port_unlock_irqrestore(&uap->port, flags);
}
/*
@@ -1009,7 +1009,7 @@ static void pl011_dma_rx_callback(void *data)
* routine to flush out the secondary DMA buffer while
* we immediately trigger the next DMA job.
*/
- spin_lock_irq(&uap->port.lock);
+ uart_port_lock_irq(&uap->port);
/*
* Rx data can be taken by the UART interrupts during
* the DMA irq handler. So we check the residue here.
@@ -1025,7 +1025,7 @@ static void pl011_dma_rx_callback(void *data)
ret = pl011_dma_rx_trigger_dma(uap);
pl011_dma_rx_chars(uap, pending, lastbuf, false);
- spin_unlock_irq(&uap->port.lock);
+ uart_port_unlock_irq(&uap->port);
/*
* Do this check after we picked the DMA chars so we don't
* get some IRQ immediately from RX.
@@ -1091,11 +1091,11 @@ static void pl011_dma_rx_poll(struct timer_list *t)
if (jiffies_to_msecs(jiffies - dmarx->last_jiffies)
> uap->dmarx.poll_timeout) {
- spin_lock_irqsave(&uap->port.lock, flags);
+ uart_port_lock_irqsave(&uap->port, &flags);
pl011_dma_rx_stop(uap);
uap->im |= UART011_RXIM;
pl011_write(uap->im, uap, REG_IMSC);
- spin_unlock_irqrestore(&uap->port.lock, flags);
+ uart_port_unlock_irqrestore(&uap->port, flags);
uap->dmarx.running = false;
dmaengine_terminate_all(rxchan);
@@ -1191,10 +1191,10 @@ static void pl011_dma_shutdown(struct uart_amba_port *uap)
while (pl011_read(uap, REG_FR) & uap->vendor->fr_busy)
cpu_relax();
- spin_lock_irq(&uap->port.lock);
+ uart_port_lock_irq(&uap->port);
uap->dmacr &= ~(UART011_DMAONERR | UART011_RXDMAE | UART011_TXDMAE);
pl011_write(uap->dmacr, uap, REG_DMACR);
- spin_unlock_irq(&uap->port.lock);
+ uart_port_unlock_irq(&uap->port);
if (uap->using_tx_dma) {
/* In theory, this should already be done by pl011_dma_flush_buffer */
@@ -1374,9 +1374,9 @@ static void pl011_throttle_rx(struct uart_port *port)
{
unsigned long flags;
- spin_lock_irqsave(&port->lock, flags);
+ uart_port_lock_irqsave(port, &flags);
pl011_stop_rx(port);
- spin_unlock_irqrestore(&port->lock, flags);
+ uart_port_unlock_irqrestore(port, flags);
}
static void pl011_enable_ms(struct uart_port *port)
@@ -1394,7 +1394,7 @@ __acquires(&uap->port.lock)
{
pl011_fifo_to_tty(uap);
- spin_unlock(&uap->port.lock);
+ uart_port_unlock(&uap->port);
tty_flip_buffer_push(&uap->port.state->port);
/*
* If we were temporarily out of DMA mode for a while,
@@ -1419,7 +1419,7 @@ __acquires(&uap->port.lock)
#endif
}
}
- spin_lock(&uap->port.lock);
+ uart_port_lock(&uap->port);
}
static bool pl011_tx_char(struct uart_amba_port *uap, unsigned char c,
@@ -1555,7 +1555,7 @@ static irqreturn_t pl011_int(int irq, void *dev_id)
unsigned int status, pass_counter = AMBA_ISR_PASS_LIMIT;
int handled = 0;
- spin_lock_irqsave(&uap->port.lock, flags);
+ uart_port_lock_irqsave(&uap->port, &flags);
status = pl011_read(uap, REG_RIS) & uap->im;
if (status) {
do {
@@ -1585,7 +1585,7 @@ static irqreturn_t pl011_int(int irq, void *dev_id)
handled = 1;
}
- spin_unlock_irqrestore(&uap->port.lock, flags);
+ uart_port_unlock_irqrestore(&uap->port, flags);
return IRQ_RETVAL(handled);
}
@@ -1657,14 +1657,14 @@ static void pl011_break_ctl(struct uart_port *port, int break_state)
unsigned long flags;
unsigned int lcr_h;
- spin_lock_irqsave(&uap->port.lock, flags);
+ uart_port_lock_irqsave(&uap->port, &flags);
lcr_h = pl011_read(uap, REG_LCRH_TX);
if (break_state == -1)
lcr_h |= UART01x_LCRH_BRK;
else
lcr_h &= ~UART01x_LCRH_BRK;
pl011_write(lcr_h, uap, REG_LCRH_TX);
- spin_unlock_irqrestore(&uap->port.lock, flags);
+ uart_port_unlock_irqrestore(&uap->port, flags);
}
#ifdef CONFIG_CONSOLE_POLL
@@ -1803,7 +1803,7 @@ static void pl011_enable_interrupts(struct uart_amba_port *uap)
unsigned long flags;
unsigned int i;
- spin_lock_irqsave(&uap->port.lock, flags);
+ uart_port_lock_irqsave(&uap->port, &flags);
/* Clear out any spuriously appearing RX interrupts */
pl011_write(UART011_RTIS | UART011_RXIS, uap, REG_ICR);
@@ -1825,7 +1825,7 @@ static void pl011_enable_interrupts(struct uart_amba_port *uap)
if (!pl011_dma_rx_running(uap))
uap->im |= UART011_RXIM;
pl011_write(uap->im, uap, REG_IMSC);
- spin_unlock_irqrestore(&uap->port.lock, flags);
+ uart_port_unlock_irqrestore(&uap->port, flags);
}
static void pl011_unthrottle_rx(struct uart_port *port)
@@ -1833,7 +1833,7 @@ static void pl011_unthrottle_rx(struct uart_port *port)
struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port);
unsigned long flags;
- spin_lock_irqsave(&uap->port.lock, flags);
+ uart_port_lock_irqsave(&uap->port, &flags);
uap->im = UART011_RTIM;
if (!pl011_dma_rx_running(uap))
@@ -1841,7 +1841,7 @@ static void pl011_unthrottle_rx(struct uart_port *port)
pl011_write(uap->im, uap, REG_IMSC);
- spin_unlock_irqrestore(&uap->port.lock, flags);
+ uart_port_unlock_irqrestore(&uap->port, flags);
}
static int pl011_startup(struct uart_port *port)
@@ -1861,7 +1861,7 @@ static int pl011_startup(struct uart_port *port)
pl011_write(uap->vendor->ifls, uap, REG_IFLS);
- spin_lock_irq(&uap->port.lock);
+ uart_port_lock_irq(&uap->port);
cr = pl011_read(uap, REG_CR);
cr &= UART011_CR_RTS | UART011_CR_DTR;
@@ -1872,7 +1872,7 @@ static int pl011_startup(struct uart_port *port)
pl011_write(cr, uap, REG_CR);
- spin_unlock_irq(&uap->port.lock);
+ uart_port_unlock_irq(&uap->port);
/*
* initialise the old status of the modem signals
@@ -1933,12 +1933,12 @@ static void pl011_disable_uart(struct uart_amba_port *uap)
unsigned int cr;
uap->port.status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS);
- spin_lock_irq(&uap->port.lock);
+ uart_port_lock_irq(&uap->port);
cr = pl011_read(uap, REG_CR);
cr &= UART011_CR_RTS | UART011_CR_DTR;
cr |= UART01x_CR_UARTEN | UART011_CR_TXE;
pl011_write(cr, uap, REG_CR);
- spin_unlock_irq(&uap->port.lock);
+ uart_port_unlock_irq(&uap->port);
/*
* disable break condition and fifos
@@ -1950,14 +1950,14 @@ static void pl011_disable_uart(struct uart_amba_port *uap)
static void pl011_disable_interrupts(struct uart_amba_port *uap)
{
- spin_lock_irq(&uap->port.lock);
+ uart_port_lock_irq(&uap->port);
/* mask all interrupts and clear all pending ones */
uap->im = 0;
pl011_write(uap->im, uap, REG_IMSC);
pl011_write(0xffff, uap, REG_ICR);
- spin_unlock_irq(&uap->port.lock);
+ uart_port_unlock_irq(&uap->port);
}
static void pl011_shutdown(struct uart_port *port)
@@ -2102,7 +2102,7 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios,
bits = tty_get_frame_size(termios->c_cflag);
- spin_lock_irqsave(&port->lock, flags);
+ uart_port_lock_irqsave(port, &flags);
/*
* Update the per-port timeout.
@@ -2176,7 +2176,7 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios,
old_cr |= UART011_CR_RXE;
pl011_write(old_cr, uap, REG_CR);
- spin_unlock_irqrestore(&port->lock, flags);
+ uart_port_unlock_irqrestore(port, flags);
}
static void
@@ -2194,10 +2194,10 @@ sbsa_uart_set_termios(struct uart_port *port, struct ktermios *termios,
termios->c_cflag &= ~(CMSPAR | CRTSCTS);
termios->c_cflag |= CS8 | CLOCAL;
- spin_lock_irqsave(&port->lock, flags);
+ uart_port_lock_irqsave(port, &flags);
uart_update_timeout(port, CS8, uap->fixed_baud);
pl011_setup_status_masks(port, termios);
- spin_unlock_irqrestore(&port->lock, flags);
+ uart_port_unlock_irqrestore(port, flags);
}
static const char *pl011_type(struct uart_port *port)
@@ -2336,9 +2336,9 @@ pl011_console_write(struct console *co, const char *s, unsigned int count)
if (uap->port.sysrq)
locked = 0;
else if (oops_in_progress)
- locked = spin_trylock(&uap->port.lock);
+ locked = uart_port_trylock(&uap->port);
else
- spin_lock(&uap->port.lock);
+ uart_port_lock(&uap->port);
/*
* First save the CR then disable the interrupts
@@ -2364,7 +2364,7 @@ pl011_console_write(struct console *co, const char *s, unsigned int count)
pl011_write(old_cr, uap, REG_CR);
if (locked)
- spin_unlock(&uap->port.lock);
+ uart_port_unlock(&uap->port);
local_irq_restore(flags);
clk_disable(uap->clk);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-23 23:24:59 +0300