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-rw-r--r--drivers/misc/ibmasm/uart.c2
-rw-r--r--drivers/serial/21285.c2
-rw-r--r--drivers/serial/8250.c19
-rw-r--r--drivers/serial/Kconfig2
-rw-r--r--drivers/serial/amba-pl010.c4
-rw-r--r--drivers/serial/clps711x.c4
-rw-r--r--drivers/serial/imx.c4
-rw-r--r--drivers/serial/sa1100.c6
-rw-r--r--drivers/serial/serial_core.c16
-rw-r--r--drivers/serial/serial_lh7a40x.c6
-rw-r--r--drivers/serial/sh-sci.c96
-rw-r--r--drivers/serial/sunsu.c14
-rw-r--r--include/linux/serial_8250.h2
-rw-r--r--include/linux/serial_core.h72
14 files changed, 123 insertions, 126 deletions
diff --git a/drivers/misc/ibmasm/uart.c b/drivers/misc/ibmasm/uart.c
index 7e98434cfa37..9783caf49696 100644
--- a/drivers/misc/ibmasm/uart.c
+++ b/drivers/misc/ibmasm/uart.c
@@ -50,7 +50,7 @@ void ibmasm_register_uart(struct service_processor *sp)
memset(&uport, 0, sizeof(struct uart_port));
uport.irq = sp->irq;
uport.uartclk = 3686400;
- uport.flags = UPF_AUTOPROBE | UPF_SHARE_IRQ;
+ uport.flags = UPF_SHARE_IRQ;
uport.iotype = UPIO_MEM;
uport.membase = iomem_base;
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index 221999bcf8fe..7aef7518b0d1 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -366,7 +366,7 @@ static struct uart_port serial21285_port = {
.irq = NO_IRQ,
.fifosize = 16,
.ops = &serial21285_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
};
static void serial21285_setup_ports(void)
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index bc36edff2058..179c1f065e60 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -31,7 +31,6 @@
#include <linux/init.h>
#include <linux/console.h>
#include <linux/sysrq.h>
-#include <linux/mca.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/tty.h>
@@ -2027,12 +2026,6 @@ static void serial8250_config_port(struct uart_port *port, int flags)
int ret;
/*
- * Don't probe for MCA ports on non-MCA machines.
- */
- if (up->port.flags & UPF_BOOT_ONLYMCA && !MCA_bus)
- return;
-
- /*
* Find the region that we can probe for. This in turn
* tells us whether we can probe for the type of port.
*/
@@ -2164,7 +2157,7 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev)
/*
* Wait for transmitter & holding register to empty
*/
-static inline void wait_for_xmitr(struct uart_8250_port *up)
+static inline void wait_for_xmitr(struct uart_8250_port *up, int bits)
{
unsigned int status, tmout = 10000;
@@ -2178,7 +2171,7 @@ static inline void wait_for_xmitr(struct uart_8250_port *up)
if (--tmout == 0)
break;
udelay(1);
- } while ((status & BOTH_EMPTY) != BOTH_EMPTY);
+ } while ((status & bits) != bits);
/* Wait up to 1s for flow control if necessary */
if (up->port.flags & UPF_CONS_FLOW) {
@@ -2218,7 +2211,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
* Now, do each character
*/
for (i = 0; i < count; i++, s++) {
- wait_for_xmitr(up);
+ wait_for_xmitr(up, UART_LSR_THRE);
/*
* Send the character out.
@@ -2226,7 +2219,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
*/
serial_out(up, UART_TX, *s);
if (*s == 10) {
- wait_for_xmitr(up);
+ wait_for_xmitr(up, UART_LSR_THRE);
serial_out(up, UART_TX, 13);
}
}
@@ -2235,8 +2228,8 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
* Finally, wait for transmitter to become empty
* and restore the IER
*/
- wait_for_xmitr(up);
- serial_out(up, UART_IER, ier);
+ wait_for_xmitr(up, BOTH_EMPTY);
+ serial_out(up, UART_IER, ier | UART_IER_THRI);
}
static int serial8250_console_setup(struct console *co, char *options)
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 9fd1925de361..0d38f0f2ae29 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -23,7 +23,7 @@ config SERIAL_8250
work.)
To compile this driver as a module, choose M here: the
- module will be called serial.
+ module will be called 8250.
[WARNING: Do not compile this driver as a module if you are using
non-standard serial ports, since the configuration information will
be lost when the driver is unloaded. This limitation may be lifted
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 3490022e9fdc..429de2723a1c 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -566,7 +566,7 @@ static struct uart_amba_port amba_ports[UART_NR] = {
.uartclk = 14745600,
.fifosize = 16,
.ops = &amba_pl010_pops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.dtr_mask = 1 << 5,
@@ -581,7 +581,7 @@ static struct uart_amba_port amba_ports[UART_NR] = {
.uartclk = 14745600,
.fifosize = 16,
.ops = &amba_pl010_pops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
.dtr_mask = 1 << 7,
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index 8ef999481f93..ce7b2e4ecd17 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -410,7 +410,7 @@ static struct uart_port clps711x_ports[UART_NR] = {
.fifosize = 16,
.ops = &clps711x_pops,
.line = 0,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
},
{
.iobase = SYSCON2,
@@ -419,7 +419,7 @@ static struct uart_port clps711x_ports[UART_NR] = {
.fifosize = 16,
.ops = &clps711x_pops,
.line = 1,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
}
};
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index fa3bbd6c751f..858048efe1ed 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -674,7 +674,7 @@ static struct imx_port imx_ports[] = {
.irq = UART1_MINT_RX,
.uartclk = 16000000,
.fifosize = 8,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.ops = &imx_pops,
.line = 0,
},
@@ -690,7 +690,7 @@ static struct imx_port imx_ports[] = {
.irq = UART2_MINT_RX,
.uartclk = 16000000,
.fifosize = 8,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.ops = &imx_pops,
.line = 1,
},
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 1bd93168f504..ff7b60b4de37 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -665,21 +665,21 @@ void __init sa1100_register_uart(int idx, int port)
sa1100_ports[idx].port.membase = (void __iomem *)&Ser1UTCR0;
sa1100_ports[idx].port.mapbase = _Ser1UTCR0;
sa1100_ports[idx].port.irq = IRQ_Ser1UART;
- sa1100_ports[idx].port.flags = ASYNC_BOOT_AUTOCONF;
+ sa1100_ports[idx].port.flags = UPF_BOOT_AUTOCONF;
break;
case 2:
sa1100_ports[idx].port.membase = (void __iomem *)&Ser2UTCR0;
sa1100_ports[idx].port.mapbase = _Ser2UTCR0;
sa1100_ports[idx].port.irq = IRQ_Ser2ICP;
- sa1100_ports[idx].port.flags = ASYNC_BOOT_AUTOCONF;
+ sa1100_ports[idx].port.flags = UPF_BOOT_AUTOCONF;
break;
case 3:
sa1100_ports[idx].port.membase = (void __iomem *)&Ser3UTCR0;
sa1100_ports[idx].port.mapbase = _Ser3UTCR0;
sa1100_ports[idx].port.irq = IRQ_Ser3UART;
- sa1100_ports[idx].port.flags = ASYNC_BOOT_AUTOCONF;
+ sa1100_ports[idx].port.flags = UPF_BOOT_AUTOCONF;
break;
default:
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 943770470b9d..0717abfdae06 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -332,7 +332,7 @@ uart_get_baud_rate(struct uart_port *port, struct termios *termios,
struct termios *old, unsigned int min, unsigned int max)
{
unsigned int try, baud, altbaud = 38400;
- unsigned int flags = port->flags & UPF_SPD_MASK;
+ upf_t flags = port->flags & UPF_SPD_MASK;
if (flags == UPF_SPD_HI)
altbaud = 57600;
@@ -615,8 +615,9 @@ static int uart_set_info(struct uart_state *state,
struct serial_struct new_serial;
struct uart_port *port = state->port;
unsigned long new_port;
- unsigned int change_irq, change_port, old_flags, closing_wait;
+ unsigned int change_irq, change_port, closing_wait;
unsigned int old_custom_divisor, close_delay;
+ upf_t old_flags, new_flags;
int retval = 0;
if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
@@ -655,6 +656,7 @@ static int uart_set_info(struct uart_state *state,
new_serial.type != port->type;
old_flags = port->flags;
+ new_flags = new_serial.flags;
old_custom_divisor = port->custom_divisor;
if (!capable(CAP_SYS_ADMIN)) {
@@ -664,10 +666,10 @@ static int uart_set_info(struct uart_state *state,
(close_delay != state->close_delay) ||
(closing_wait != state->closing_wait) ||
(new_serial.xmit_fifo_size != port->fifosize) ||
- (((new_serial.flags ^ old_flags) & ~UPF_USR_MASK) != 0))
+ (((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0))
goto exit;
port->flags = ((port->flags & ~UPF_USR_MASK) |
- (new_serial.flags & UPF_USR_MASK));
+ (new_flags & UPF_USR_MASK));
port->custom_divisor = new_serial.custom_divisor;
goto check_and_exit;
}
@@ -764,7 +766,7 @@ static int uart_set_info(struct uart_state *state,
port->irq = new_serial.irq;
port->uartclk = new_serial.baud_base * 16;
port->flags = (port->flags & ~UPF_CHANGE_MASK) |
- (new_serial.flags & UPF_CHANGE_MASK);
+ (new_flags & UPF_CHANGE_MASK);
port->custom_divisor = new_serial.custom_divisor;
state->close_delay = close_delay;
state->closing_wait = closing_wait;
@@ -1870,7 +1872,7 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
mutex_lock(&state->mutex);
if (state->info && state->info->flags & UIF_INITIALIZED) {
- struct uart_ops *ops = port->ops;
+ const struct uart_ops *ops = port->ops;
spin_lock_irq(&port->lock);
ops->stop_tx(port);
@@ -1932,7 +1934,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
}
if (state->info && state->info->flags & UIF_INITIALIZED) {
- struct uart_ops *ops = port->ops;
+ const struct uart_ops *ops = port->ops;
int ret;
ops->set_mctrl(port, 0);
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index d4a1f0e798c1..d0490f67f597 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -506,7 +506,7 @@ static struct uart_port_lh7a40x lh7a40x_ports[DEV_NR] = {
.uartclk = 14745600/2,
.fifosize = 16,
.ops = &lh7a40x_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
},
@@ -519,7 +519,7 @@ static struct uart_port_lh7a40x lh7a40x_ports[DEV_NR] = {
.uartclk = 14745600/2,
.fifosize = 16,
.ops = &lh7a40x_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
},
@@ -532,7 +532,7 @@ static struct uart_port_lh7a40x lh7a40x_ports[DEV_NR] = {
.uartclk = 14745600/2,
.fifosize = 16,
.ops = &lh7a40x_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 2,
},
},
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index a9e070759628..0111206327ca 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1113,10 +1113,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xfffffe80,
.mapbase = 0xfffffe80,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 25,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCI,
@@ -1128,10 +1128,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)SCIF0,
.mapbase = SCIF0,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 55,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
@@ -1142,10 +1142,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)SCIF2,
.mapbase = SCIF2,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 59,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
.type = PORT_SCIF,
@@ -1157,10 +1157,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xfffffe80,
.mapbase = 0xfffffe80,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 25,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCI,
@@ -1171,10 +1171,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xa4000150,
.mapbase = 0xa4000150,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 59,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
.type = PORT_SCIF,
@@ -1185,10 +1185,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xa4000140,
.mapbase = 0xa4000140,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 55,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 2,
},
.type = PORT_IRDA,
@@ -1200,10 +1200,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xA4430000,
.mapbase = 0xA4430000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 25,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
@@ -1215,10 +1215,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xffe00000,
.mapbase = 0xffe00000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 25,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
@@ -1230,10 +1230,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xffe80000,
.mapbase = 0xffe80000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 43,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
@@ -1245,10 +1245,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xffe00000,
.mapbase = 0xffe00000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 25,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCI,
@@ -1259,10 +1259,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xffe80000,
.mapbase = 0xffe80000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 43,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
.type = PORT_SCIF,
@@ -1274,10 +1274,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xfe600000,
.mapbase = 0xfe600000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 55,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
@@ -1288,10 +1288,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xfe610000,
.mapbase = 0xfe610000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 75,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
.type = PORT_SCIF,
@@ -1302,10 +1302,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xfe620000,
.mapbase = 0xfe620000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 79,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 2,
},
.type = PORT_SCIF,
@@ -1317,10 +1317,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xffe80000,
.mapbase = 0xffe80000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 43,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
@@ -1332,10 +1332,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xffe00000,
.mapbase = 0xffe00000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 26,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
@@ -1346,10 +1346,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0xffe80000,
.mapbase = 0xffe80000,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 43,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
.type = PORT_SCIF,
@@ -1359,10 +1359,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
#elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
{
.port = {
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 42,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCIF,
@@ -1374,10 +1374,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0x00ffffb0,
.mapbase = 0x00ffffb0,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 54,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCI,
@@ -1388,10 +1388,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0x00ffffb8,
.mapbase = 0x00ffffb8,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 58,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
.type = PORT_SCI,
@@ -1402,10 +1402,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0x00ffffc0,
.mapbase = 0x00ffffc0,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 62,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 2,
},
.type = PORT_SCI,
@@ -1417,10 +1417,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0x00ffff78,
.mapbase = 0x00ffff78,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 90,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
.type = PORT_SCI,
@@ -1431,10 +1431,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0x00ffff80,
.mapbase = 0x00ffff80,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 94,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
.type = PORT_SCI,
@@ -1445,10 +1445,10 @@ static struct sci_port sci_ports[SCI_NPORTS] = {
.port = {
.membase = (void *)0x00ffff88,
.mapbase = 0x00ffff88,
- .iotype = SERIAL_IO_MEM,
+ .iotype = UPIO_MEM,
.irq = 98,
.ops = &sci_uart_ops,
- .flags = ASYNC_BOOT_AUTOCONF,
+ .flags = UPF_BOOT_AUTOCONF,
.line = 2,
},
.type = PORT_SCI,
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 9a3665b34d97..bc67442c6b4c 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -669,7 +669,7 @@ static int sunsu_startup(struct uart_port *port)
* if it is, then bail out, because there's likely no UART
* here.
*/
- if (!(up->port.flags & ASYNC_BUGGY_UART) &&
+ if (!(up->port.flags & UPF_BUGGY_UART) &&
(serial_inp(up, UART_LSR) == 0xff)) {
printk("ttyS%d: LSR safety check engaged!\n", up->port.line);
return -ENODEV;
@@ -707,7 +707,7 @@ static int sunsu_startup(struct uart_port *port)
up->ier = UART_IER_RLSI | UART_IER_RDI;
serial_outp(up, UART_IER, up->ier);
- if (up->port.flags & ASYNC_FOURPORT) {
+ if (up->port.flags & UPF_FOURPORT) {
unsigned int icp;
/*
* Enable interrupts on the AST Fourport board
@@ -740,7 +740,7 @@ static void sunsu_shutdown(struct uart_port *port)
serial_outp(up, UART_IER, 0);
spin_lock_irqsave(&up->port.lock, flags);
- if (up->port.flags & ASYNC_FOURPORT) {
+ if (up->port.flags & UPF_FOURPORT) {
/* reset interrupts on the AST Fourport board */
inb((up->port.iobase & 0xfe0) | 0x1f);
up->port.mctrl |= TIOCM_OUT1;
@@ -1132,7 +1132,7 @@ ebus_done:
spin_lock_irqsave(&up->port.lock, flags);
- if (!(up->port.flags & ASYNC_BUGGY_UART)) {
+ if (!(up->port.flags & UPF_BUGGY_UART)) {
/*
* Do a simple existence test first; if we fail this, there's
* no point trying anything else.
@@ -1170,7 +1170,7 @@ ebus_done:
* manufacturer would be stupid enough to design a board
* that conflicts with COM 1-4 --- we hope!
*/
- if (!(up->port.flags & ASYNC_SKIP_TEST)) {
+ if (!(up->port.flags & UPF_SKIP_TEST)) {
serial_outp(up, UART_MCR, UART_MCR_LOOP | 0x0A);
status1 = serial_inp(up, UART_MSR) & 0xF0;
serial_outp(up, UART_MCR, save_mcr);
@@ -1371,7 +1371,7 @@ static __inline__ void wait_for_xmitr(struct uart_sunsu_port *up)
} while ((status & BOTH_EMPTY) != BOTH_EMPTY);
/* Wait up to 1s for flow control if necessary */
- if (up->port.flags & ASYNC_CONS_FLOW) {
+ if (up->port.flags & UPF_CONS_FLOW) {
tmout = 1000000;
while (--tmout &&
((serial_in(up, UART_MSR) & UART_MSR_CTS) == 0))
@@ -1513,7 +1513,7 @@ static int __init sunsu_serial_init(void)
up->su_type == SU_PORT_KBD)
continue;
- up->port.flags |= ASYNC_BOOT_AUTOCONF;
+ up->port.flags |= UPF_BOOT_AUTOCONF;
up->port.type = PORT_UNKNOWN;
up->port.uartclk = (SU_BASE_BAUD * 16);
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index cee302aefdb7..73b464f0926a 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -26,7 +26,7 @@ struct plat_serial8250_port {
unsigned char regshift; /* register shift */
unsigned char iotype; /* UPIO_* */
unsigned char hub6;
- unsigned int flags; /* UPF_* flags */
+ upf_t flags; /* UPF_* flags */
};
/*
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index ec351005bf9d..4041122dabfc 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -203,6 +203,8 @@ struct uart_icount {
__u32 buf_overrun;
};
+typedef unsigned int __bitwise__ upf_t;
+
struct uart_port {
spinlock_t lock; /* port lock */
unsigned int iobase; /* in/out[bwl] */
@@ -230,36 +232,34 @@ struct uart_port {
unsigned long sysrq; /* sysrq timeout */
#endif
- unsigned int flags;
-
-#define UPF_FOURPORT (1 << 1)
-#define UPF_SAK (1 << 2)
-#define UPF_SPD_MASK (0x1030)
-#define UPF_SPD_HI (0x0010)
-#define UPF_SPD_VHI (0x0020)
-#define UPF_SPD_CUST (0x0030)
-#define UPF_SPD_SHI (0x1000)
-#define UPF_SPD_WARP (0x1010)
-#define UPF_SKIP_TEST (1 << 6)
-#define UPF_AUTO_IRQ (1 << 7)
-#define UPF_HARDPPS_CD (1 << 11)
-#define UPF_LOW_LATENCY (1 << 13)
-#define UPF_BUGGY_UART (1 << 14)
-#define UPF_AUTOPROBE (1 << 15)
-#define UPF_MAGIC_MULTIPLIER (1 << 16)
-#define UPF_BOOT_ONLYMCA (1 << 22)
-#define UPF_CONS_FLOW (1 << 23)
-#define UPF_SHARE_IRQ (1 << 24)
-#define UPF_BOOT_AUTOCONF (1 << 28)
-#define UPF_IOREMAP (1 << 31)
-
-#define UPF_CHANGE_MASK (0x17fff)
-#define UPF_USR_MASK (UPF_SPD_MASK|UPF_LOW_LATENCY)
+ upf_t flags;
+
+#define UPF_FOURPORT ((__force upf_t) (1 << 1))
+#define UPF_SAK ((__force upf_t) (1 << 2))
+#define UPF_SPD_MASK ((__force upf_t) (0x1030))
+#define UPF_SPD_HI ((__force upf_t) (0x0010))
+#define UPF_SPD_VHI ((__force upf_t) (0x0020))
+#define UPF_SPD_CUST ((__force upf_t) (0x0030))
+#define UPF_SPD_SHI ((__force upf_t) (0x1000))
+#define UPF_SPD_WARP ((__force upf_t) (0x1010))
+#define UPF_SKIP_TEST ((__force upf_t) (1 << 6))
+#define UPF_AUTO_IRQ ((__force upf_t) (1 << 7))
+#define UPF_HARDPPS_CD ((__force upf_t) (1 << 11))
+#define UPF_LOW_LATENCY ((__force upf_t) (1 << 13))
+#define UPF_BUGGY_UART ((__force upf_t) (1 << 14))
+#define UPF_MAGIC_MULTIPLIER ((__force upf_t) (1 << 16))
+#define UPF_CONS_FLOW ((__force upf_t) (1 << 23))
+#define UPF_SHARE_IRQ ((__force upf_t) (1 << 24))
+#define UPF_BOOT_AUTOCONF ((__force upf_t) (1 << 28))
+#define UPF_IOREMAP ((__force upf_t) (1 << 31))
+
+#define UPF_CHANGE_MASK ((__force upf_t) (0x17fff))
+#define UPF_USR_MASK ((__force upf_t) (UPF_SPD_MASK|UPF_LOW_LATENCY))
unsigned int mctrl; /* current modem ctrl settings */
unsigned int timeout; /* character-based timeout */
unsigned int type; /* port type */
- struct uart_ops *ops;
+ const struct uart_ops *ops;
unsigned int custom_divisor;
unsigned int line; /* port index */
unsigned long mapbase; /* for ioremap */
@@ -289,6 +289,9 @@ struct uart_state {
};
#define UART_XMIT_SIZE PAGE_SIZE
+
+typedef unsigned int __bitwise__ uif_t;
+
/*
* This is the state information which is only valid when the port
* is open; it may be freed by the core driver once the device has
@@ -298,17 +301,16 @@ struct uart_state {
struct uart_info {
struct tty_struct *tty;
struct circ_buf xmit;
- unsigned int flags;
+ uif_t flags;
/*
- * These are the flags that specific to info->flags, and reflect our
- * internal state. They can not be accessed via port->flags. Low
- * level drivers must not change these, but may query them instead.
+ * Definitions for info->flags. These are _private_ to serial_core, and
+ * are specific to this structure. They may be queried by low level drivers.
*/
-#define UIF_CHECK_CD (1 << 25)
-#define UIF_CTS_FLOW (1 << 26)
-#define UIF_NORMAL_ACTIVE (1 << 29)
-#define UIF_INITIALIZED (1 << 31)
+#define UIF_CHECK_CD ((__force uif_t) (1 << 25))
+#define UIF_CTS_FLOW ((__force uif_t) (1 << 26))
+#define UIF_NORMAL_ACTIVE ((__force uif_t) (1 << 29))
+#define UIF_INITIALIZED ((__force uif_t) (1 << 31))
int blocked_open;
@@ -430,7 +432,7 @@ static inline int uart_handle_break(struct uart_port *port)
port->sysrq = 0;
}
#endif
- if (info->flags & UPF_SAK)
+ if (port->flags & UPF_SAK)
do_SAK(info->tty);
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 18:28:23 +0000