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-rw-r--r--arch/alpha/Kconfig2
-rw-r--r--arch/alpha/kernel/srmcons.c18
-rw-r--r--arch/arm/boot/dts/vt8500.dtsi40
-rw-r--r--arch/arm/boot/dts/wm8505.dtsi60
-rw-r--r--arch/arm/boot/dts/wm8650.dtsi20
-rw-r--r--arch/arm/boot/dts/zynq-7000.dtsi4
-rw-r--r--arch/arm/mach-sa1100/assabet.c1
-rw-r--r--arch/arm/plat-samsung/include/plat/adc.h1
-rw-r--r--arch/ia64/hp/sim/Kconfig1
-rw-r--r--arch/ia64/hp/sim/simserial.c21
-rw-r--r--arch/m68k/Kconfig.devices2
-rw-r--r--arch/mips/sni/a20r.c2
-rw-r--r--arch/mn10300/kernel/mn10300-serial.c20
-rw-r--r--arch/parisc/Kconfig1
-rw-r--r--arch/parisc/kernel/pdc_cons.c10
-rw-r--r--arch/sparc/kernel/kgdb_32.c1
-rw-r--r--arch/tile/Kconfig1
-rw-r--r--arch/um/Kconfig.common1
-rw-r--r--arch/um/drivers/chan.h3
-rw-r--r--arch/um/drivers/chan_kern.c25
-rw-r--r--arch/um/drivers/line.c7
-rw-r--r--arch/x86/lguest/Kconfig1
-rw-r--r--arch/xtensa/Kconfig1
-rw-r--r--arch/xtensa/platforms/iss/console.c10
24 files changed, 169 insertions, 84 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 775361f67bf..dabc9364949 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -124,6 +124,7 @@ choice
config ALPHA_GENERIC
bool "Generic"
+ depends on TTY
help
A generic kernel will run on all supported Alpha hardware.
@@ -490,6 +491,7 @@ config VGA_HOSE
config ALPHA_SRM
bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME
+ depends on TTY
default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
---help---
There are two different types of booting firmware on Alphas: SRM,
diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c
index 59b7bbad839..6f01d9ad7b8 100644
--- a/arch/alpha/kernel/srmcons.c
+++ b/arch/alpha/kernel/srmcons.c
@@ -44,7 +44,7 @@ typedef union _srmcons_result {
/* called with callback_lock held */
static int
-srmcons_do_receive_chars(struct tty_struct *tty)
+srmcons_do_receive_chars(struct tty_port *port)
{
srmcons_result result;
int count = 0, loops = 0;
@@ -52,13 +52,13 @@ srmcons_do_receive_chars(struct tty_struct *tty)
do {
result.as_long = callback_getc(0);
if (result.bits.status < 2) {
- tty_insert_flip_char(tty, (char)result.bits.c, 0);
+ tty_insert_flip_char(port, (char)result.bits.c, 0);
count++;
}
} while((result.bits.status & 1) && (++loops < 10));
if (count)
- tty_schedule_flip(tty);
+ tty_schedule_flip(port);
return count;
}
@@ -73,7 +73,7 @@ srmcons_receive_chars(unsigned long data)
local_irq_save(flags);
if (spin_trylock(&srmcons_callback_lock)) {
- if (!srmcons_do_receive_chars(port->tty))
+ if (!srmcons_do_receive_chars(port))
incr = 100;
spin_unlock(&srmcons_callback_lock);
}
@@ -88,7 +88,7 @@ srmcons_receive_chars(unsigned long data)
/* called with callback_lock held */
static int
-srmcons_do_write(struct tty_struct *tty, const char *buf, int count)
+srmcons_do_write(struct tty_port *port, const char *buf, int count)
{
static char str_cr[1] = "\r";
long c, remaining = count;
@@ -113,10 +113,10 @@ srmcons_do_write(struct tty_struct *tty, const char *buf, int count)
cur += result.bits.c;
/*
- * Check for pending input iff a tty was provided
+ * Check for pending input iff a tty port was provided
*/
- if (tty)
- srmcons_do_receive_chars(tty);
+ if (port)
+ srmcons_do_receive_chars(port);
}
while (need_cr) {
@@ -135,7 +135,7 @@ srmcons_write(struct tty_struct *tty,
unsigned long flags;
spin_lock_irqsave(&srmcons_callback_lock, flags);
- srmcons_do_write(tty, (const char *) buf, count);
+ srmcons_do_write(tty->port, (const char *) buf, count);
spin_unlock_irqrestore(&srmcons_callback_lock, flags);
return count;
diff --git a/arch/arm/boot/dts/vt8500.dtsi b/arch/arm/boot/dts/vt8500.dtsi
index d8645e990b2..cf31ced4660 100644
--- a/arch/arm/boot/dts/vt8500.dtsi
+++ b/arch/arm/boot/dts/vt8500.dtsi
@@ -45,6 +45,38 @@
compatible = "fixed-clock";
clock-frequency = <24000000>;
};
+
+ clkuart0: uart0 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <1>;
+ };
+
+ clkuart1: uart1 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <2>;
+ };
+
+ clkuart2: uart2 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <3>;
+ };
+
+ clkuart3: uart3 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <4>;
+ };
};
};
@@ -83,28 +115,28 @@
compatible = "via,vt8500-uart";
reg = <0xd8200000 0x1040>;
interrupts = <32>;
- clocks = <&ref24>;
+ clocks = <&clkuart0>;
};
uart@d82b0000 {
compatible = "via,vt8500-uart";
reg = <0xd82b0000 0x1040>;
interrupts = <33>;
- clocks = <&ref24>;
+ clocks = <&clkuart1>;
};
uart@d8210000 {
compatible = "via,vt8500-uart";
reg = <0xd8210000 0x1040>;
interrupts = <47>;
- clocks = <&ref24>;
+ clocks = <&clkuart2>;
};
uart@d82c0000 {
compatible = "via,vt8500-uart";
reg = <0xd82c0000 0x1040>;
interrupts = <50>;
- clocks = <&ref24>;
+ clocks = <&clkuart3>;
};
rtc@d8100000 {
diff --git a/arch/arm/boot/dts/wm8505.dtsi b/arch/arm/boot/dts/wm8505.dtsi
index 330f833ac3b..e74a1c0fb9a 100644
--- a/arch/arm/boot/dts/wm8505.dtsi
+++ b/arch/arm/boot/dts/wm8505.dtsi
@@ -59,6 +59,54 @@
compatible = "fixed-clock";
clock-frequency = <24000000>;
};
+
+ clkuart0: uart0 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <1>;
+ };
+
+ clkuart1: uart1 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <2>;
+ };
+
+ clkuart2: uart2 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <3>;
+ };
+
+ clkuart3: uart3 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <4>;
+ };
+
+ clkuart4: uart4 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <22>;
+ };
+
+ clkuart5: uart5 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <23>;
+ };
};
};
@@ -96,42 +144,42 @@
compatible = "via,vt8500-uart";
reg = <0xd8200000 0x1040>;
interrupts = <32>;
- clocks = <&ref24>;
+ clocks = <&clkuart0>;
};
uart@d82b0000 {
compatible = "via,vt8500-uart";
reg = <0xd82b0000 0x1040>;
interrupts = <33>;
- clocks = <&ref24>;
+ clocks = <&clkuart1>;
};
uart@d8210000 {
compatible = "via,vt8500-uart";
reg = <0xd8210000 0x1040>;
interrupts = <47>;
- clocks = <&ref24>;
+ clocks = <&clkuart2>;
};
uart@d82c0000 {
compatible = "via,vt8500-uart";
reg = <0xd82c0000 0x1040>;
interrupts = <50>;
- clocks = <&ref24>;
+ clocks = <&clkuart3>;
};
uart@d8370000 {
compatible = "via,vt8500-uart";
reg = <0xd8370000 0x1040>;
interrupts = <31>;
- clocks = <&ref24>;
+ clocks = <&clkuart4>;
};
uart@d8380000 {
compatible = "via,vt8500-uart";
reg = <0xd8380000 0x1040>;
interrupts = <30>;
- clocks = <&ref24>;
+ clocks = <&clkuart5>;
};
rtc@d8100000 {
diff --git a/arch/arm/boot/dts/wm8650.dtsi b/arch/arm/boot/dts/wm8650.dtsi
index 83b9467559b..db3c0a12e05 100644
--- a/arch/arm/boot/dts/wm8650.dtsi
+++ b/arch/arm/boot/dts/wm8650.dtsi
@@ -75,6 +75,22 @@
reg = <0x204>;
};
+ clkuart0: uart0 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <1>;
+ };
+
+ clkuart1: uart1 {
+ #clock-cells = <0>;
+ compatible = "via,vt8500-device-clock";
+ clocks = <&ref24>;
+ enable-reg = <0x250>;
+ enable-bit = <2>;
+ };
+
arm: arm {
#clock-cells = <0>;
compatible = "via,vt8500-device-clock";
@@ -128,14 +144,14 @@
compatible = "via,vt8500-uart";
reg = <0xd8200000 0x1040>;
interrupts = <32>;
- clocks = <&ref24>;
+ clocks = <&clkuart0>;
};
uart@d82b0000 {
compatible = "via,vt8500-uart";
reg = <0xd82b0000 0x1040>;
interrupts = <33>;
- clocks = <&ref24>;
+ clocks = <&clkuart1>;
};
rtc@d8100000 {
diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 401c1262d4e..5914b565459 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -44,14 +44,14 @@
compatible = "xlnx,xuartps";
reg = <0xE0000000 0x1000>;
interrupts = <0 27 4>;
- clock = <50000000>;
+ clocks = <&uart_clk 0>;
};
uart1: uart@e0001000 {
compatible = "xlnx,xuartps";
reg = <0xE0001000 0x1000>;
interrupts = <0 50 4>;
- clock = <50000000>;
+ clocks = <&uart_clk 1>;
};
slcr: slcr@f8000000 {
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index 9a23739f702..442497363db 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -16,6 +16,7 @@
#include <linux/ioport.h>
#include <linux/platform_data/sa11x0-serial.h>
#include <linux/serial_core.h>
+#include <linux/platform_device.h>
#include <linux/mfd/ucb1x00.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
diff --git a/arch/arm/plat-samsung/include/plat/adc.h b/arch/arm/plat-samsung/include/plat/adc.h
index b258a08de59..2fc89315553 100644
--- a/arch/arm/plat-samsung/include/plat/adc.h
+++ b/arch/arm/plat-samsung/include/plat/adc.h
@@ -15,6 +15,7 @@
#define __ASM_PLAT_ADC_H __FILE__
struct s3c_adc_client;
+struct platform_device;
extern int s3c_adc_start(struct s3c_adc_client *client,
unsigned int channel, unsigned int nr_samples);
diff --git a/arch/ia64/hp/sim/Kconfig b/arch/ia64/hp/sim/Kconfig
index 8d513a8c526..d84707d5520 100644
--- a/arch/ia64/hp/sim/Kconfig
+++ b/arch/ia64/hp/sim/Kconfig
@@ -8,6 +8,7 @@ config HP_SIMETH
config HP_SIMSERIAL
bool "Simulated serial driver support"
+ depends on TTY
config HP_SIMSERIAL_CONSOLE
bool "Console for HP simulator"
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index fc3924d18c1..da2f319fb71 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -53,7 +53,7 @@ struct tty_driver *hp_simserial_driver;
static struct console *console;
-static void receive_chars(struct tty_struct *tty)
+static void receive_chars(struct tty_port *port)
{
unsigned char ch;
static unsigned char seen_esc = 0;
@@ -81,10 +81,10 @@ static void receive_chars(struct tty_struct *tty)
}
seen_esc = 0;
- if (tty_insert_flip_char(tty, ch, TTY_NORMAL) == 0)
+ if (tty_insert_flip_char(port, ch, TTY_NORMAL) == 0)
break;
}
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(port);
}
/*
@@ -93,18 +93,9 @@ static void receive_chars(struct tty_struct *tty)
static irqreturn_t rs_interrupt_single(int irq, void *dev_id)
{
struct serial_state *info = dev_id;
- struct tty_struct *tty = tty_port_tty_get(&info->port);
- if (!tty) {
- printk(KERN_INFO "%s: tty=0 problem\n", __func__);
- return IRQ_NONE;
- }
- /*
- * pretty simple in our case, because we only get interrupts
- * on inbound traffic
- */
- receive_chars(tty);
- tty_kref_put(tty);
+ receive_chars(&info->port);
+
return IRQ_HANDLED;
}
@@ -435,7 +426,7 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
struct tty_port *port = &info->port;
tty->driver_data = info;
- tty->low_latency = (port->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+ port->low_latency = (port->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
/*
* figure out which console to use (should be one already)
diff --git a/arch/m68k/Kconfig.devices b/arch/m68k/Kconfig.devices
index c4cdfe444c6..4bc945dfe46 100644
--- a/arch/m68k/Kconfig.devices
+++ b/arch/m68k/Kconfig.devices
@@ -41,7 +41,7 @@ config NFBLOCK
config NFCON
tristate "NatFeat console driver"
- depends on NATFEAT
+ depends on TTY && NATFEAT
help
Say Y to include support for the ARAnyM NatFeat console driver
which allows the console output to be redirected to the stderr
diff --git a/arch/mips/sni/a20r.c b/arch/mips/sni/a20r.c
index 9cb9d43a3a0..e05ad4da44d 100644
--- a/arch/mips/sni/a20r.c
+++ b/arch/mips/sni/a20r.c
@@ -118,7 +118,7 @@ static struct resource sc26xx_rsrc[] = {
}
};
-#include <linux/platform_data/sccnxp.h>
+#include <linux/platform_data/serial-sccnxp.h>
static struct sccnxp_pdata sccnxp_data = {
.reg_shift = 2,
diff --git a/arch/mn10300/kernel/mn10300-serial.c b/arch/mn10300/kernel/mn10300-serial.c
index 81d5cb9b656..bf6e949a2f8 100644
--- a/arch/mn10300/kernel/mn10300-serial.c
+++ b/arch/mn10300/kernel/mn10300-serial.c
@@ -524,7 +524,7 @@ static int mask_test_and_clear(volatile u8 *ptr, u8 mask)
static void mn10300_serial_receive_interrupt(struct mn10300_serial_port *port)
{
struct uart_icount *icount = &port->uart.icount;
- struct tty_struct *tty = port->uart.state->port.tty;
+ struct tty_port *tport = &port->uart.state->port;
unsigned ix;
int count;
u8 st, ch, push, status, overrun;
@@ -534,10 +534,10 @@ static void mn10300_serial_receive_interrupt(struct mn10300_serial_port *port)
push = 0;
count = CIRC_CNT(port->rx_inp, port->rx_outp, MNSC_BUFFER_SIZE);
- count = tty_buffer_request_room(tty, count);
+ count = tty_buffer_request_room(tport, count);
if (count == 0) {
- if (!tty->low_latency)
- tty_flip_buffer_push(tty);
+ if (!tport->low_latency)
+ tty_flip_buffer_push(tport);
return;
}
@@ -545,8 +545,8 @@ try_again:
/* pull chars out of the hat */
ix = ACCESS_ONCE(port->rx_outp);
if (CIRC_CNT(port->rx_inp, ix, MNSC_BUFFER_SIZE) == 0) {
- if (push && !tty->low_latency)
- tty_flip_buffer_push(tty);
+ if (push && !tport->low_latency)
+ tty_flip_buffer_push(tport);
return;
}
@@ -666,19 +666,19 @@ insert:
else
flag = TTY_NORMAL;
- tty_insert_flip_char(tty, ch, flag);
+ tty_insert_flip_char(tport, ch, flag);
}
/* overrun is special, since it's reported immediately, and doesn't
* affect the current character
*/
if (overrun)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(tport, 0, TTY_OVERRUN);
count--;
if (count <= 0) {
- if (!tty->low_latency)
- tty_flip_buffer_push(tty);
+ if (!tport->low_latency)
+ tty_flip_buffer_push(tport);
return;
}
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 9f2820659da..c600f39aa45 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -21,6 +21,7 @@ config PARISC
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
select CLONE_BACKWARDS
+ select TTY # Needed for pdc_cons.c
help
The PA-RISC microprocessor is designed by Hewlett-Packard and used
diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index efc5e7d3053..d5cae55195e 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -138,23 +138,17 @@ static const struct tty_operations pdc_console_tty_ops = {
static void pdc_console_poll(unsigned long unused)
{
int data, count = 0;
- struct tty_struct *tty = tty_port_tty_get(&tty_port);
-
- if (!tty)
- return;
while (1) {
data = pdc_console_poll_key(NULL);
if (data == -1)
break;
- tty_insert_flip_char(tty, data & 0xFF, TTY_NORMAL);
+ tty_insert_flip_char(&tty_port, data & 0xFF, TTY_NORMAL);
count ++;
}
if (count)
- tty_flip_buffer_push(tty);
-
- tty_kref_put(tty);
+ tty_flip_buffer_push(&tty_port);
if (pdc_cons.flags & CON_ENABLED)
mod_timer(&pdc_console_timer, jiffies + PDC_CONS_POLL_DELAY);
diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c
index 2e424a576a3..dcf210811af 100644
--- a/arch/sparc/kernel/kgdb_32.c
+++ b/arch/sparc/kernel/kgdb_32.c
@@ -5,6 +5,7 @@
#include <linux/kgdb.h>
#include <linux/kdebug.h>
+#include <linux/sched.h>
#include <asm/kdebug.h>
#include <asm/ptrace.h>
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 1bb7ad4aeff..36136e81f5d 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -121,6 +121,7 @@ config DEBUG_COPY_FROM_USER
def_bool n
config HVC_TILE
+ depends on TTY
select HVC_DRIVER
def_bool y
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 648121b037d..bceee6623b0 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -12,6 +12,7 @@ config UML
select GENERIC_CPU_DEVICES
select GENERIC_IO
select GENERIC_CLOCKEVENTS
+ select TTY # Needed for line.c
config MMU
bool
diff --git a/arch/um/drivers/chan.h b/arch/um/drivers/chan.h
index 02b5a76e98d..78f1b899996 100644
--- a/arch/um/drivers/chan.h
+++ b/arch/um/drivers/chan.h
@@ -27,8 +27,7 @@ struct chan {
void *data;
};
-extern void chan_interrupt(struct line *line,
- struct tty_struct *tty, int irq);
+extern void chan_interrupt(struct line *line, int irq);
extern int parse_chan_pair(char *str, struct line *line, int device,
const struct chan_opts *opts, char **error_out);
extern int write_chan(struct chan *chan, const char *buf, int len,
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index e9a0abc6a32..15c553c239a 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -81,12 +81,6 @@ static const struct chan_ops not_configged_ops = {
};
#endif /* CONFIG_NOCONFIG_CHAN */
-static void tty_receive_char(struct tty_struct *tty, char ch)
-{
- if (tty)
- tty_insert_flip_char(tty, ch, TTY_NORMAL);
-}
-
static int open_one_chan(struct chan *chan)
{
int fd, err;
@@ -137,11 +131,9 @@ void chan_enable_winch(struct chan *chan, struct tty_struct *tty)
static void line_timer_cb(struct work_struct *work)
{
struct line *line = container_of(work, struct line, task.work);
- struct tty_struct *tty = tty_port_tty_get(&line->port);
if (!line->throttled)
- chan_interrupt(line, tty, line->driver->read_irq);
- tty_kref_put(tty);
+ chan_interrupt(line, line->driver->read_irq);
}
int enable_chan(struct line *line)
@@ -552,8 +544,9 @@ int parse_chan_pair(char *str, struct line *line, int device,
return 0;
}
-void chan_interrupt(struct line *line, struct tty_struct *tty, int irq)
+void chan_interrupt(struct line *line, int irq)
{
+ struct tty_port *port = &line->port;
struct chan *chan = line->chan_in;
int err;
char c;
@@ -562,21 +555,24 @@ void chan_interrupt(struct line *line, struct tty_struct *tty, int irq)
goto out;
do {
- if (tty && !tty_buffer_request_room(tty, 1)) {
+ if (!tty_buffer_request_room(port, 1)) {
schedule_delayed_work(&line->task, 1);
goto out;
}
err = chan->ops->read(chan->fd, &c, chan->data);
if (err > 0)
- tty_receive_char(tty, c);
+ tty_insert_flip_char(port, c, TTY_NORMAL);
} while (err > 0);
if (err == 0)
reactivate_fd(chan->fd, irq);
if (err == -EIO) {
if (chan->primary) {
- if (tty != NULL)
+ struct tty_struct *tty = tty_port_tty_get(&line->port);
+ if (tty != NULL) {
tty_hangup(tty);
+ tty_kref_put(tty);
+ }
if (line->chan_out != chan)
close_one_chan(line->chan_out, 1);
}
@@ -585,6 +581,5 @@ void chan_interrupt(struct line *line, struct tty_struct *tty, int irq)
return;
}
out:
- if (tty)
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(port);
}
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 9ffc28bd4b7..f1b38571f94 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -19,11 +19,10 @@ static irqreturn_t line_interrupt(int irq, void *data)
{
struct chan *chan = data;
struct line *line = chan->line;
- struct tty_struct *tty = tty_port_tty_get(&line->port);
if (line)
- chan_interrupt(line, tty, irq);
- tty_kref_put(tty);
+ chan_interrupt(line, irq);
+
return IRQ_HANDLED;
}
@@ -234,7 +233,7 @@ void line_unthrottle(struct tty_struct *tty)
struct line *line = tty->driver_data;
line->throttled = 0;
- chan_interrupt(line, tty, line->driver->read_irq);
+ chan_interrupt(line, line->driver->read_irq);
/*
* Maybe there is enough stuff pending that calling the interrupt
diff --git a/arch/x86/lguest/Kconfig b/arch/x86/lguest/Kconfig
index 7872a3330fb..29043d2048a 100644
--- a/arch/x86/lguest/Kconfig
+++ b/arch/x86/lguest/Kconfig
@@ -2,6 +2,7 @@ config LGUEST_GUEST
bool "Lguest guest support"
select PARAVIRT
depends on X86_32
+ select TTY
select VIRTUALIZATION
select VIRTIO
select VIRTIO_CONSOLE
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 5aab1acabf1..ad64c73b867 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -132,6 +132,7 @@ choice
config XTENSA_PLATFORM_ISS
bool "ISS"
+ depends on TTY
select XTENSA_CALIBRATE_CCOUNT
select SERIAL_CONSOLE
select XTENSA_ISS_NETWORK
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 8207a119eee..da9866f7fec 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -58,7 +58,8 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
tty->port = &serial_port;
spin_lock(&timer_lock);
if (tty->count == 1) {
- setup_timer(&serial_timer, rs_poll, (unsigned long)tty);
+ setup_timer(&serial_timer, rs_poll,
+ (unsigned long)&serial_port);
mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
}
spin_unlock(&timer_lock);
@@ -97,8 +98,7 @@ static int rs_write(struct tty_struct * tty,
static void rs_poll(unsigned long priv)
{
- struct tty_struct* tty = (struct tty_struct*) priv;
-
+ struct tty_port *port = (struct tty_port *)priv;
struct timeval tv = { .tv_sec = 0, .tv_usec = 0 };
int i = 0;
unsigned char c;
@@ -107,12 +107,12 @@ static void rs_poll(unsigned long priv)
while (__simc(SYS_select_one, 0, XTISS_SELECT_ONE_READ, (int)&tv,0,0)){
__simc (SYS_read, 0, (unsigned long)&c, 1, 0, 0);
- tty_insert_flip_char(tty, c, TTY_NORMAL);
+ tty_insert_flip_char(port, c, TTY_NORMAL);
i++;
}
if (i)
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(port);
mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-15 16:45:56 +0000