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authorDave Airlie <airlied@starflyer.(none)>2005-09-25 13:14:45 +1000
committerDave Airlie <airlied@linux.ie>2005-09-25 13:14:45 +1000
commit4e0c1159d83a658d1ffba5bc3442f4ec4cadb436 (patch)
tree36a5079ba7ba9b9e0f2f633356705b980940eac4 /drivers/serial
parentea98a92ff18c03bf7f4d21536986cbbcb4c10cd9 (diff)
parentef6bd6eb90ad72ee8ee7ba8b271f27102e9a90c1 (diff)
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update from upstream
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/21285.c2
-rw-r--r--drivers/serial/68328serial.c1
-rw-r--r--drivers/serial/68360serial.c8
-rw-r--r--drivers/serial/8250.c4
-rw-r--r--drivers/serial/8250_accent.c2
-rw-r--r--drivers/serial/8250_acpi.c20
-rw-r--r--drivers/serial/8250_boca.c2
-rw-r--r--drivers/serial/8250_fourport.c2
-rw-r--r--drivers/serial/8250_hub6.c2
-rw-r--r--drivers/serial/8250_mca.c2
-rw-r--r--drivers/serial/Kconfig4
-rw-r--r--drivers/serial/amba-pl010.c2
-rw-r--r--drivers/serial/amba-pl011.c2
-rw-r--r--drivers/serial/clps711x.c4
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c13
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm2.c11
-rw-r--r--drivers/serial/crisv10.c15
-rw-r--r--drivers/serial/icom.c1
-rw-r--r--drivers/serial/mcfserial.c14
-rw-r--r--drivers/serial/mpc52xx_uart.c2
-rw-r--r--drivers/serial/pmac_zilog.c6
-rw-r--r--drivers/serial/pxa.c4
-rw-r--r--drivers/serial/sa1100.c2
-rw-r--r--drivers/serial/serial_core.c20
-rw-r--r--drivers/serial/serial_lh7a40x.c6
-rw-r--r--drivers/serial/serial_txx9.c118
-rw-r--r--drivers/serial/sunsu.c10
27 files changed, 181 insertions, 98 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index aec39fb261ca..b5cf39468d18 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -463,7 +463,7 @@ static int __init serial21285_console_setup(struct console *co, char *options)
return uart_set_options(port, co, baud, parity, bits, flow);
}
-extern struct uart_driver serial21285_reg;
+static struct uart_driver serial21285_reg;
static struct console serial21285_console =
{
diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index 9097f2f7b12a..2efb317153ce 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -40,7 +40,6 @@
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/system.h>
-#include <asm/segment.h>
#include <asm/delay.h>
#include <asm/uaccess.h>
diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c
index b116122e569a..170c9d2a749c 100644
--- a/drivers/serial/68360serial.c
+++ b/drivers/serial/68360serial.c
@@ -2474,8 +2474,7 @@ static struct tty_operations rs_360_ops = {
.tiocmset = rs_360_tiocmset,
};
-/* int __init rs_360_init(void) */
-int rs_360_init(void)
+static int __init rs_360_init(void)
{
struct serial_state * state;
ser_info_t *info;
@@ -2827,10 +2826,7 @@ int rs_360_init(void)
return 0;
}
-
-
-
-
+module_init(rs_360_init);
/* This must always be called before the rs_360_init() function, otherwise
* it blows away the port control information.
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 30a0a3d10145..4d75cdfa0a0a 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -864,7 +864,7 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags)
/*
* We're pretty sure there's a port here. Lets find out what
* type of port it is. The IIR top two bits allows us to find
- * out if its 8250 or 16450, 16550, 16550A or later. This
+ * out if it's 8250 or 16450, 16550, 16550A or later. This
* determines what we test for next.
*
* We also initialise the EFR (if any) to zero for later. The
@@ -2536,7 +2536,7 @@ static int __init serial8250_init(void)
goto out;
serial8250_isa_devs = platform_device_register_simple("serial8250",
- -1, NULL, 0);
+ PLAT8250_DEV_LEGACY, NULL, 0);
if (IS_ERR(serial8250_isa_devs)) {
ret = PTR_ERR(serial8250_isa_devs);
goto unreg;
diff --git a/drivers/serial/8250_accent.c b/drivers/serial/8250_accent.c
index 1f2c276063ef..9c10262f2469 100644
--- a/drivers/serial/8250_accent.c
+++ b/drivers/serial/8250_accent.c
@@ -29,7 +29,7 @@ static struct plat_serial8250_port accent_data[] = {
static struct platform_device accent_device = {
.name = "serial8250",
- .id = 2,
+ .id = PLAT8250_DEV_ACCENT,
.dev = {
.platform_data = accent_data,
},
diff --git a/drivers/serial/8250_acpi.c b/drivers/serial/8250_acpi.c
index 6b9ead288517..a802bdce6e5d 100644
--- a/drivers/serial/8250_acpi.c
+++ b/drivers/serial/8250_acpi.c
@@ -47,18 +47,30 @@ static acpi_status acpi_serial_port(struct uart_port *port,
static acpi_status acpi_serial_ext_irq(struct uart_port *port,
struct acpi_resource_ext_irq *ext_irq)
{
- if (ext_irq->number_of_interrupts > 0)
- port->irq = acpi_register_gsi(ext_irq->interrupts[0],
+ int rc;
+
+ if (ext_irq->number_of_interrupts > 0) {
+ rc = acpi_register_gsi(ext_irq->interrupts[0],
ext_irq->edge_level, ext_irq->active_high_low);
+ if (rc < 0)
+ return AE_ERROR;
+ port->irq = rc;
+ }
return AE_OK;
}
static acpi_status acpi_serial_irq(struct uart_port *port,
struct acpi_resource_irq *irq)
{
- if (irq->number_of_interrupts > 0)
- port->irq = acpi_register_gsi(irq->interrupts[0],
+ int rc;
+
+ if (irq->number_of_interrupts > 0) {
+ rc = acpi_register_gsi(irq->interrupts[0],
irq->edge_level, irq->active_high_low);
+ if (rc < 0)
+ return AE_ERROR;
+ port->irq = rc;
+ }
return AE_OK;
}
diff --git a/drivers/serial/8250_boca.c b/drivers/serial/8250_boca.c
index 465c9ea1e7a3..3bfe0f7b26fb 100644
--- a/drivers/serial/8250_boca.c
+++ b/drivers/serial/8250_boca.c
@@ -43,7 +43,7 @@ static struct plat_serial8250_port boca_data[] = {
static struct platform_device boca_device = {
.name = "serial8250",
- .id = 3,
+ .id = PLAT8250_DEV_BOCA,
.dev = {
.platform_data = boca_data,
},
diff --git a/drivers/serial/8250_fourport.c b/drivers/serial/8250_fourport.c
index e9b4d908ef42..6375d68b7913 100644
--- a/drivers/serial/8250_fourport.c
+++ b/drivers/serial/8250_fourport.c
@@ -35,7 +35,7 @@ static struct plat_serial8250_port fourport_data[] = {
static struct platform_device fourport_device = {
.name = "serial8250",
- .id = 1,
+ .id = PLAT8250_DEV_FOURPORT,
.dev = {
.platform_data = fourport_data,
},
diff --git a/drivers/serial/8250_hub6.c b/drivers/serial/8250_hub6.c
index 77f396f84b4c..daf569cd3c8f 100644
--- a/drivers/serial/8250_hub6.c
+++ b/drivers/serial/8250_hub6.c
@@ -40,7 +40,7 @@ static struct plat_serial8250_port hub6_data[] = {
static struct platform_device hub6_device = {
.name = "serial8250",
- .id = 4,
+ .id = PLAT8250_DEV_HUB6,
.dev = {
.platform_data = hub6_data,
},
diff --git a/drivers/serial/8250_mca.c b/drivers/serial/8250_mca.c
index f0c40d68b8c1..ac205256d5f3 100644
--- a/drivers/serial/8250_mca.c
+++ b/drivers/serial/8250_mca.c
@@ -44,7 +44,7 @@ static struct plat_serial8250_port mca_data[] = {
static struct platform_device mca_device = {
.name = "serial8250",
- .id = 5,
+ .id = PLAT8250_DEV_MCA,
.dev = {
.platform_data = mca_data,
},
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 74b80f7c062d..b745a1b9e835 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -80,7 +80,7 @@ config SERIAL_8250_CS
config SERIAL_8250_ACPI
bool "8250/16550 device discovery via ACPI namespace"
default y if IA64
- depends on ACPI_BUS && SERIAL_8250
+ depends on ACPI && SERIAL_8250
---help---
If you wish to enable serial port discovery via the ACPI
namespace, say Y here. If unsure, say N.
@@ -308,7 +308,7 @@ config SERIAL_S3C2410_CONSOLE
config SERIAL_DZ
bool "DECstation DZ serial driver"
- depends on MACH_DECSTATION && MIPS32
+ depends on MACH_DECSTATION && 32BIT
select SERIAL_CORE
help
DZ11-family serial controllers for VAXstations, including the
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 978e12437e61..679e678c7e6a 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -689,7 +689,7 @@ static int __init pl010_console_setup(struct console *co, char *options)
return uart_set_options(port, co, baud, parity, bits, flow);
}
-extern struct uart_driver amba_reg;
+static struct uart_driver amba_reg;
static struct console amba_console = {
.name = "ttyAM",
.write = pl010_console_write,
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 56071309744c..1ff629c74750 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -701,7 +701,7 @@ static int __init pl011_console_setup(struct console *co, char *options)
return uart_set_options(&uap->port, co, baud, parity, bits, flow);
}
-extern struct uart_driver amba_reg;
+static struct uart_driver amba_reg;
static struct console amba_console = {
.name = "ttyAMA",
.write = pl011_console_write,
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index d822896b488c..87ef368384fb 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -98,7 +98,7 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id, struct pt_regs *re
{
struct uart_port *port = dev_id;
struct tty_struct *tty = port->info->tty;
- unsigned int status, ch, flg, ignored = 0;
+ unsigned int status, ch, flg;
status = clps_readl(SYSFLG(port));
while (!(status & SYSFLG_URXFE)) {
@@ -525,7 +525,7 @@ static int __init clps711xuart_console_setup(struct console *co, char *options)
return uart_set_options(port, co, baud, parity, bits, flow);
}
-extern struct uart_driver clps711x_reg;
+static struct uart_driver clps711x_reg;
static struct console clps711x_console = {
.name = "ttyCL",
.write = clps711xuart_console_write,
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 282b32351d8e..25825f2aba22 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -403,10 +403,8 @@ static int cpm_uart_startup(struct uart_port *port)
inline void cpm_uart_wait_until_send(struct uart_cpm_port *pinfo)
{
- unsigned long target_jiffies = jiffies + pinfo->wait_closing;
-
- while (!time_after(jiffies, target_jiffies))
- schedule();
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(pinfo->wait_closing);
}
/*
@@ -425,9 +423,12 @@ static void cpm_uart_shutdown(struct uart_port *port)
/* If the port is not the console, disable Rx and Tx. */
if (!(pinfo->flags & FLAG_CONSOLE)) {
/* Wait for all the BDs marked sent */
- while(!cpm_uart_tx_empty(port))
+ while(!cpm_uart_tx_empty(port)) {
+ set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(2);
- if(pinfo->wait_closing)
+ }
+
+ if (pinfo->wait_closing)
cpm_uart_wait_until_send(pinfo);
/* Stop uarts */
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
index c4c8f4b44f53..15ad58d94889 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
@@ -142,6 +142,14 @@ void scc2_lineif(struct uart_cpm_port *pinfo)
* be supported in a sane fashion.
*/
#ifndef CONFIG_STX_GP3
+#ifdef CONFIG_MPC8560_ADS
+ volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;
+ io->iop_ppard |= 0x00000018;
+ io->iop_psord &= ~0x00000008; /* Rx */
+ io->iop_psord &= ~0x00000010; /* Tx */
+ io->iop_pdird &= ~0x00000008; /* Rx */
+ io->iop_pdird |= 0x00000010; /* Tx */
+#else
volatile iop_cpm2_t *io = &cpm2_immr->im_ioport;
io->iop_pparb |= 0x008b0000;
io->iop_pdirb |= 0x00880000;
@@ -149,6 +157,7 @@ void scc2_lineif(struct uart_cpm_port *pinfo)
io->iop_pdirb &= ~0x00030000;
io->iop_psorb &= ~0x00030000;
#endif
+#endif
cpm2_immr->im_cpmux.cmx_scr &= 0xff00ffff;
cpm2_immr->im_cpmux.cmx_scr |= 0x00090000;
pinfo->brg = 2;
@@ -257,6 +266,7 @@ int cpm_uart_init_portdesc(void)
cpm_uart_ports[UART_SMC1].smcp = (smc_t *) & cpm2_immr->im_smc[0];
cpm_uart_ports[UART_SMC1].smcup =
(smc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SMC1];
+ *(u16 *)(&cpm2_immr->im_dprambase[PROFF_SMC1_BASE]) = PROFF_SMC1;
cpm_uart_ports[UART_SMC1].port.mapbase =
(unsigned long)&cpm2_immr->im_smc[0];
cpm_uart_ports[UART_SMC1].smcp->smc_smcm |= (SMCM_RX | SMCM_TX);
@@ -269,6 +279,7 @@ int cpm_uart_init_portdesc(void)
cpm_uart_ports[UART_SMC2].smcp = (smc_t *) & cpm2_immr->im_smc[1];
cpm_uart_ports[UART_SMC2].smcup =
(smc_uart_t *) & cpm2_immr->im_dprambase[PROFF_SMC2];
+ *(u16 *)(&cpm2_immr->im_dprambase[PROFF_SMC2_BASE]) = PROFF_SMC2;
cpm_uart_ports[UART_SMC2].port.mapbase =
(unsigned long)&cpm2_immr->im_smc[1];
cpm_uart_ports[UART_SMC2].smcp->smc_smcm |= (SMCM_RX | SMCM_TX);
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 23b8871e74cc..40d3e7139cfe 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -446,7 +446,6 @@ static char *serial_version = "$Revision: 1.25 $";
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/system.h>
-#include <asm/segment.h>
#include <asm/bitops.h>
#include <linux/delay.h>
@@ -5041,17 +5040,3 @@ rs_init(void)
/* this makes sure that rs_init is called during kernel boot */
module_init(rs_init);
-
-/*
- * register_serial and unregister_serial allows for serial ports to be
- * configured at run-time, to support PCMCIA modems.
- */
-int
-register_serial(struct serial_struct *req)
-{
- return -1;
-}
-
-void unregister_serial(int line)
-{
-}
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index 79f8df4d66b7..eb31125c6a30 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -56,7 +56,6 @@
#include <linux/bitops.h>
#include <asm/system.h>
-#include <asm/segment.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c
index 8c40167778de..e2ebdcad553c 100644
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -40,7 +40,6 @@
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/system.h>
-#include <asm/segment.h>
#include <asm/semaphore.h>
#include <asm/delay.h>
#include <asm/coldfire.h>
@@ -64,8 +63,13 @@ struct timer_list mcfrs_timer_struct;
#endif
#if defined(CONFIG_HW_FEITH)
- #define CONSOLE_BAUD_RATE 38400
- #define DEFAULT_CBAUD B38400
+#define CONSOLE_BAUD_RATE 38400
+#define DEFAULT_CBAUD B38400
+#endif
+
+#if defined(CONFIG_MOD5272)
+#define CONSOLE_BAUD_RATE 115200
+#define DEFAULT_CBAUD B115200
#endif
#ifndef CONSOLE_BAUD_RATE
@@ -91,7 +95,7 @@ static struct tty_driver *mcfrs_serial_driver;
#undef SERIAL_DEBUG_OPEN
#undef SERIAL_DEBUG_FLOW
-#if defined(CONFIG_M527x) || defined(CONFIG_M528x)
+#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x)
#define IRQBASE (MCFINT_VECBASE+MCFINT_UART0)
#else
#define IRQBASE 73
@@ -1511,7 +1515,7 @@ static void mcfrs_irqinit(struct mcf_serial *info)
*portp = (*portp & ~0x000000ff) | 0x00000055;
portp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_PDCNT);
*portp = (*portp & ~0x000003fc) | 0x000002a8;
-#elif defined(CONFIG_M527x) || defined(CONFIG_M528x)
+#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x)
volatile unsigned char *icrp, *uartp;
volatile unsigned long *imrp;
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index a3cd0ee8486d..0585ab27ffde 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -781,7 +781,7 @@ mpc52xx_uart_remove(struct device *dev)
#ifdef CONFIG_PM
static int
-mpc52xx_uart_suspend(struct device *dev, u32 state, u32 level)
+mpc52xx_uart_suspend(struct device *dev, pm_message_t state, u32 level)
{
struct uart_port *port = (struct uart_port *) dev_get_drvdata(dev);
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 5bfde99e245e..5ddd8ab1f108 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1600,7 +1600,7 @@ static int pmz_suspend(struct macio_dev *mdev, pm_message_t pm_state)
return 0;
}
- if (pm_state == mdev->ofdev.dev.power.power_state || pm_state < 2)
+ if (pm_state.event == mdev->ofdev.dev.power.power_state.event)
return 0;
pmz_debug("suspend, switching to state %d\n", pm_state);
@@ -1660,7 +1660,7 @@ static int pmz_resume(struct macio_dev *mdev)
if (uap == NULL)
return 0;
- if (mdev->ofdev.dev.power.power_state == 0)
+ if (mdev->ofdev.dev.power.power_state.event == PM_EVENT_ON)
return 0;
pmz_debug("resume, switching to state 0\n");
@@ -1713,7 +1713,7 @@ static int pmz_resume(struct macio_dev *mdev)
pmz_debug("resume, switching complete\n");
- mdev->ofdev.dev.power.power_state = 0;
+ mdev->ofdev.dev.power.power_state.event = PM_EVENT_ON;
return 0;
}
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index eaa0af835290..672b359b07ce 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -589,8 +589,8 @@ serial_pxa_type(struct uart_port *port)
#ifdef CONFIG_SERIAL_PXA_CONSOLE
-extern struct uart_pxa_port serial_pxa_ports[];
-extern struct uart_driver serial_pxa_reg;
+static struct uart_pxa_port serial_pxa_ports[];
+static struct uart_driver serial_pxa_reg;
#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 1225b14f6e9d..dd8aed242357 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -799,7 +799,7 @@ sa1100_console_setup(struct console *co, char *options)
return uart_set_options(&sport->port, co, baud, parity, bits, flow);
}
-extern struct uart_driver sa1100_reg;
+static struct uart_driver sa1100_reg;
static struct console sa1100_console = {
.name = "ttySA",
.write = sa1100_console_write,
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index dea156a62d0a..2d8622eef701 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1947,21 +1947,29 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
static inline void
uart_report_port(struct uart_driver *drv, struct uart_port *port)
{
- printk("%s%d", drv->dev_name, port->line);
- printk(" at ");
+ char address[64];
+
switch (port->iotype) {
case UPIO_PORT:
- printk("I/O 0x%x", port->iobase);
+ snprintf(address, sizeof(address),
+ "I/O 0x%x", port->iobase);
break;
case UPIO_HUB6:
- printk("I/O 0x%x offset 0x%x", port->iobase, port->hub6);
+ snprintf(address, sizeof(address),
+ "I/O 0x%x offset 0x%x", port->iobase, port->hub6);
break;
case UPIO_MEM:
case UPIO_MEM32:
- printk("MMIO 0x%lx", port->mapbase);
+ snprintf(address, sizeof(address),
+ "MMIO 0x%lx", port->mapbase);
+ break;
+ default:
+ strlcpy(address, "*unknown*", sizeof(address));
break;
}
- printk(" (irq = %d) is a %s\n", port->irq, uart_type(port));
+
+ printk(KERN_INFO "%s%d at %s (irq = %d) is a %s\n",
+ drv->dev_name, port->line, address, port->irq, uart_type(port));
}
static void
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index 32f808d157a1..d01dbe5da3b9 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -207,7 +207,7 @@ static void lh7a40xuart_tx_chars (struct uart_port* port)
return;
}
if (uart_circ_empty (xmit) || uart_tx_stopped (port)) {
- lh7a40xuart_stop_tx (port, 0);
+ lh7a40xuart_stop_tx (port);
return;
}
@@ -229,7 +229,7 @@ static void lh7a40xuart_tx_chars (struct uart_port* port)
uart_write_wakeup (port);
if (uart_circ_empty (xmit))
- lh7a40xuart_stop_tx (port, 0);
+ lh7a40xuart_stop_tx (port);
}
static void lh7a40xuart_modem_status (struct uart_port* port)
@@ -632,7 +632,7 @@ static int __init lh7a40xuart_console_setup (struct console* co, char* options)
return uart_set_options (port, co, baud, parity, bits, flow);
}
-extern struct uart_driver lh7a40x_reg;
+static struct uart_driver lh7a40x_reg;
static struct console lh7a40x_console = {
.name = "ttyAM",
.write = lh7a40xuart_console_write,
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 49afadbe461b..f10c86d60b64 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -31,6 +31,8 @@
* 1.01 Set fifosize to make tx_empry called properly.
* Use standard uart_get_divisor.
* 1.02 Cleanup. (import 8250.c changes)
+ * 1.03 Fix low-latency mode. (import 8250.c changes)
+ * 1.04 Remove usage of deprecated functions, cleanup.
*/
#include <linux/config.h>
@@ -54,7 +56,7 @@
#include <asm/io.h>
#include <asm/irq.h>
-static char *serial_version = "1.02";
+static char *serial_version = "1.04";
static char *serial_name = "TX39/49 Serial driver";
#define PASS_LIMIT 256
@@ -86,9 +88,9 @@ static char *serial_name = "TX39/49 Serial driver";
*/
#ifdef ENABLE_SERIAL_TXX9_PCI
#define NR_PCI_BOARDS 4
-#define UART_NR (2 + NR_PCI_BOARDS)
+#define UART_NR (4 + NR_PCI_BOARDS)
#else
-#define UART_NR 2
+#define UART_NR 4
#endif
struct uart_txx9_port {
@@ -304,8 +306,11 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status, struct pt_regs *r
/* The following is not allowed by the tty layer and
unsafe. It should be fixed ASAP */
if (unlikely(tty->flip.count >= TTY_FLIPBUF_SIZE)) {
- if(tty->low_latency)
+ if (tty->low_latency) {
+ spin_unlock(&up->port.lock);
tty_flip_buffer_push(tty);
+ spin_lock(&up->port.lock);
+ }
/* If this failed then we will throw away the
bytes but must do so to clear interrupts */
}
@@ -356,7 +361,9 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status, struct pt_regs *r
ignore_char:
disr = sio_in(up, TXX9_SIDISR);
} while (!(disr & TXX9_SIDISR_UVALID) && (max_count-- > 0));
+ spin_unlock(&up->port.lock);
tty_flip_buffer_push(tty);
+ spin_lock(&up->port.lock);
*status = disr;
}
@@ -667,17 +674,8 @@ serial_txx9_pm(struct uart_port *port, unsigned int state,
unsigned int oldstate)
{
struct uart_txx9_port *up = (struct uart_txx9_port *)port;
- if (state) {
- /* sleep */
-
- if (up->pm)
- up->pm(port, state, oldstate);
- } else {
- /* wake */
-
- if (up->pm)
- up->pm(port, state, oldstate);
- }
+ if (up->pm)
+ up->pm(port, state, oldstate);
}
static int serial_txx9_request_resource(struct uart_txx9_port *up)
@@ -979,14 +977,6 @@ static int __init serial_txx9_console_init(void)
}
console_initcall(serial_txx9_console_init);
-static int __init serial_txx9_late_console_init(void)
-{
- if (!(serial_txx9_console.flags & CON_ENABLED))
- register_console(&serial_txx9_console);
- return 0;
-}
-late_initcall(serial_txx9_late_console_init);
-
#define SERIAL_TXX9_CONSOLE &serial_txx9_console
#else
#define SERIAL_TXX9_CONSOLE NULL
@@ -1039,6 +1029,73 @@ static void serial_txx9_resume_port(int line)
uart_resume_port(&serial_txx9_reg, &serial_txx9_ports[line].port);
}
+static DECLARE_MUTEX(serial_txx9_sem);
+
+/**
+ * serial_txx9_register_port - register a serial port
+ * @port: serial port template
+ *
+ * Configure the serial port specified by the request.
+ *
+ * The port is then probed and if necessary the IRQ is autodetected
+ * If this fails an error is returned.
+ *
+ * On success the port is ready to use and the line number is returned.
+ */
+static int __devinit serial_txx9_register_port(struct uart_port *port)
+{
+ int i;
+ struct uart_txx9_port *uart;
+ int ret = -ENOSPC;
+
+ down(&serial_txx9_sem);
+ for (i = 0; i < UART_NR; i++) {
+ uart = &serial_txx9_ports[i];
+ if (uart->port.type == PORT_UNKNOWN)
+ break;
+ }
+ if (i < UART_NR) {
+ uart_remove_one_port(&serial_txx9_reg, &uart->port);
+ uart->port.iobase = port->iobase;
+ uart->port.membase = port->membase;
+ uart->port.irq = port->irq;
+ uart->port.uartclk = port->uartclk;
+ uart->port.iotype = port->iotype;
+ uart->port.flags = port->flags | UPF_BOOT_AUTOCONF;
+ uart->port.mapbase = port->mapbase;
+ if (port->dev)
+ uart->port.dev = port->dev;
+ ret = uart_add_one_port(&serial_txx9_reg, &uart->port);
+ if (ret == 0)
+ ret = uart->port.line;
+ }
+ up(&serial_txx9_sem);
+ return ret;
+}
+
+/**
+ * serial_txx9_unregister_port - remove a txx9 serial port at runtime
+ * @line: serial line number
+ *
+ * Remove one serial port. This may not be called from interrupt
+ * context. We hand the port back to the our control.
+ */
+static void __devexit serial_txx9_unregister_port(int line)
+{
+ struct uart_txx9_port *uart = &serial_txx9_ports[line];
+
+ down(&serial_txx9_sem);
+ uart_remove_one_port(&serial_txx9_reg, &uart->port);
+ uart->port.flags = 0;
+ uart->port.type = PORT_UNKNOWN;
+ uart->port.iobase = 0;
+ uart->port.mapbase = 0;
+ uart->port.membase = 0;
+ uart->port.dev = NULL;
+ uart_add_one_port(&serial_txx9_reg, &uart->port);
+ up(&serial_txx9_sem);
+}
+
/*
* Probe one serial board. Unfortunately, there is no rhyme nor reason
* to the arrangement of serial ports on a PCI card.
@@ -1056,13 +1113,13 @@ pciserial_txx9_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
memset(&port, 0, sizeof(port));
port.ops = &serial_txx9_pops;
- port.flags |= UPF_BOOT_AUTOCONF; /* uart_ops.config_port will be called */
port.flags |= UPF_TXX9_HAVE_CTS_LINE;
port.uartclk = 66670000;
port.irq = dev->irq;
port.iotype = UPIO_PORT;
port.iobase = pci_resource_start(dev, 1);
- line = uart_register_port(&serial_txx9_reg, &port);
+ port.dev = &dev->dev;
+ line = serial_txx9_register_port(&port);
if (line < 0) {
printk(KERN_WARNING "Couldn't register serial port %s: %d\n", pci_name(dev), line);
}
@@ -1078,7 +1135,7 @@ static void __devexit pciserial_txx9_remove_one(struct pci_dev *dev)
pci_set_drvdata(dev, NULL);
if (line) {
- uart_unregister_port(&serial_txx9_reg, line);
+ serial_txx9_unregister_port(line);
pci_disable_device(dev);
}
}
@@ -1089,6 +1146,8 @@ static int pciserial_txx9_suspend_one(struct pci_dev *dev, pm_message_t state)
if (line)
serial_txx9_suspend_port(line);
+ pci_save_state(dev);
+ pci_set_power_state(dev, pci_choose_state(dev, state));
return 0;
}
@@ -1096,8 +1155,13 @@ static int pciserial_txx9_resume_one(struct pci_dev *dev)
{
int line = (int)(long)pci_get_drvdata(dev);
- if (line)
+ pci_set_power_state(dev, PCI_D0);
+ pci_restore_state(dev);
+
+ if (line) {
+ pci_enable_device(dev);
serial_txx9_resume_port(line);
+ }
return 0;
}
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 0cc879eb1c02..5959e6755a81 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -269,7 +269,10 @@ static void sunsu_stop_tx(struct uart_port *port)
__stop_tx(up);
- if (up->port.type == PORT_16C950 && tty_stop /*FIXME*/) {
+ /*
+ * We really want to stop the transmitter from sending.
+ */
+ if (up->port.type == PORT_16C950) {
up->acr |= UART_ACR_TXDIS;
serial_icr_write(up, UART_ACR, up->acr);
}
@@ -283,10 +286,11 @@ static void sunsu_start_tx(struct uart_port *port)
up->ier |= UART_IER_THRI;
serial_out(up, UART_IER, up->ier);
}
+
/*
- * We only do this from uart_start
+ * Re-enable the transmitter if we disabled it.
*/
- if (tty_start && up->port.type == PORT_16C950 /*FIXME*/) {
+ if (up->port.type == PORT_16C950 && up->acr & UART_ACR_TXDIS) {
up->acr &= ~UART_ACR_TXDIS;
serial_icr_write(up, UART_ACR, up->acr);
}