#define AMBA_ISR_PASS_LIMIT 256
-@@ -80,9 +79,9 @@
+@@ -80,9 +79,9 @@ static void pl010_stop_tx(struct uart_po
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
}
static void pl010_start_tx(struct uart_port *port)
-@@ -90,9 +89,9 @@
+@@ -90,9 +89,9 @@ static void pl010_start_tx(struct uart_p
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
}
static void pl010_stop_rx(struct uart_port *port)
-@@ -100,9 +99,9 @@
+@@ -100,9 +99,9 @@ static void pl010_stop_rx(struct uart_po
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
}
static void pl010_enable_ms(struct uart_port *port)
-@@ -110,9 +109,9 @@
+@@ -110,9 +109,9 @@ static void pl010_enable_ms(struct uart_
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
}
static void pl010_rx_chars(struct uart_amba_port *uap)
-@@ -120,9 +119,9 @@
+@@ -120,9 +119,9 @@ static void pl010_rx_chars(struct uart_a
struct tty_struct *tty = uap->port.info->port.tty;
unsigned int status, ch, flag, rsr, max_count = 256;
flag = TTY_NORMAL;
uap->port.icount.rx++;
-@@ -131,9 +130,9 @@
+@@ -131,9 +130,9 @@ static void pl010_rx_chars(struct uart_a
* Note that the error handling code is
* out of the main execution path
*/
if (rsr & UART01x_RSR_BE) {
rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
-@@ -163,7 +162,7 @@
+@@ -163,7 +162,7 @@ static void pl010_rx_chars(struct uart_a
uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
ignore_char:
}
spin_unlock(&uap->port.lock);
tty_flip_buffer_push(tty);
-@@ -176,7 +175,7 @@
+@@ -176,7 +175,7 @@ static void pl010_tx_chars(struct uart_a
int count;
if (uap->port.x_char) {
uap->port.icount.tx++;
uap->port.x_char = 0;
return;
-@@ -188,7 +187,7 @@
+@@ -188,7 +187,7 @@ static void pl010_tx_chars(struct uart_a
count = uap->port.fifosize >> 1;
do {
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
uap->port.icount.tx++;
if (uart_circ_empty(xmit))
-@@ -206,9 +205,9 @@
+@@ -206,9 +205,9 @@ static void pl010_modem_status(struct ua
{
unsigned int status, delta;
delta = status ^ uap->old_status;
uap->old_status = status;
-@@ -236,7 +235,7 @@
+@@ -236,7 +235,7 @@ static irqreturn_t pl010_int(int irq, vo
spin_lock(&uap->port.lock);
if (status) {
do {
if (status & (UART010_IIR_RTIS | UART010_IIR_RIS))
-@@ -249,7 +248,7 @@
+@@ -249,7 +248,7 @@ static irqreturn_t pl010_int(int irq, vo
if (pass_counter-- == 0)
break;
} while (status & (UART010_IIR_RTIS | UART010_IIR_RIS |
UART010_IIR_TIS));
handled = 1;
-@@ -263,7 +262,7 @@
+@@ -263,7 +262,7 @@ static irqreturn_t pl010_int(int irq, vo
static unsigned int pl010_tx_empty(struct uart_port *port)
{
struct uart_amba_port *uap = (struct uart_amba_port *)port;
return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
}
-@@ -273,7 +272,7 @@
+@@ -273,7 +272,7 @@ static unsigned int pl010_get_mctrl(stru
unsigned int result = 0;
unsigned int status;
if (status & UART01x_FR_DCD)
result |= TIOCM_CAR;
if (status & UART01x_FR_DSR)
-@@ -299,12 +298,12 @@
+@@ -299,12 +298,12 @@ static void pl010_break_ctl(struct uart_
unsigned int lcr_h;
spin_lock_irqsave(&uap->port.lock, flags);
spin_unlock_irqrestore(&uap->port.lock, flags);
}
-@@ -332,12 +331,12 @@
+@@ -332,12 +331,12 @@ static int pl010_startup(struct uart_por
/*
* initialise the old status of the modem signals
*/
uap->port.membase + UART010_CR);
return 0;
-@@ -360,10 +359,10 @@
+@@ -360,10 +359,10 @@ static void pl010_shutdown(struct uart_p
/*
* disable all interrupts, disable the port
*/
~(UART01x_LCRH_BRK | UART01x_LCRH_FEN),
uap->port.membase + UART010_LCRH);
-@@ -385,7 +384,7 @@
+@@ -385,7 +384,7 @@ pl010_set_termios(struct uart_port *port
/*
* Ask the core to calculate the divisor for us.
*/
quot = uart_get_divisor(port, baud);
switch (termios->c_cflag & CSIZE) {
-@@ -448,25 +447,25 @@
+@@ -448,25 +447,25 @@ pl010_set_termios(struct uart_port *port
uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX;
/* first, disable everything */
spin_unlock_irqrestore(&uap->port.lock, flags);
}
-@@ -538,7 +537,7 @@
+@@ -538,7 +537,7 @@ static struct uart_ops amba_pl010_pops =
.verify_port = pl010_verify_port,
};
#ifdef CONFIG_SERIAL_AMBA_PL010_CONSOLE
-@@ -548,10 +547,10 @@
+@@ -548,10 +547,10 @@ static void pl010_console_putchar(struct
unsigned int status;
do {
}
static void
-@@ -565,8 +564,8 @@
+@@ -565,8 +564,8 @@ pl010_console_write(struct console *co,
/*
* First save the CR then disable the interrupts
*/
uart_console_write(&uap->port, s, count, pl010_console_putchar);
-@@ -575,10 +574,10 @@
+@@ -575,10 +574,10 @@ pl010_console_write(struct console *co,
* and restore the TCR
*/
do {
clk_disable(uap->clk);
}
-@@ -587,9 +586,9 @@
+@@ -587,9 +586,9 @@ static void __init
pl010_console_get_options(struct uart_amba_port *uap, int *baud,
int *parity, int *bits)
{
*parity = 'n';
if (lcr_h & UART01x_LCRH_PEN) {
-@@ -604,8 +603,8 @@
+@@ -604,8 +603,8 @@ pl010_console_get_options(struct uart_am
else
*bits = 8;
*baud = uap->port.uartclk / (16 * (quot + 1));
}
}
-@@ -623,7 +622,7 @@
+@@ -623,7 +622,7 @@ static int __init pl010_console_setup(st
* if so, search for the first available port that does have
* console support.
*/
co->index = 0;
uap = amba_ports[co->index];
if (!uap)
-@@ -641,7 +640,7 @@
+@@ -641,7 +640,7 @@ static int __init pl010_console_setup(st
static struct uart_driver amba_reg;
static struct console amba_console = {
.write = pl010_console_write,
.device = uart_console_device,
.setup = pl010_console_setup,
-@@ -657,11 +656,11 @@
+@@ -657,11 +656,11 @@ static struct console amba_console = {
static struct uart_driver amba_reg = {
.owner = THIS_MODULE,
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
-@@ -285,10 +285,25 @@
+@@ -285,10 +285,25 @@ config SERIAL_AMBA_PL010
help
This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
an Integrator/AP or Integrator/PP2 platform, or if you have a
projects / openwrt.git / blobdiff