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[PATCH] serial: serial_txx9 driver update 

Update the serial_txx9 driver.

 * Configurable manumum port number. (SERIAL_TXX9_NR_UARTS)
 * Remove some code which is unneeded if CONFIG_PM=n.
 * Use PCI_DEVICE() for pci device id table and make it const.
 * Do not include <asm/irq.h>

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Atsushi Nemoto 2007-02-10 01:45:05 -08:00 committed by Linus Torvalds
parent c376222960
commit 138c5d258c
2 changed files with 16 additions and 12 deletions
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5
drivers/serial/Kconfig
View File

@ -916,6 +916,11 @@ config SERIAL_TXX9
config HAS_TXX9_SERIAL
bool
config SERIAL_TXX9_NR_UARTS
int "Maximum number of TMPTX39XX/49XX SIO ports"
depends on SERIAL_TXX9
default "6"
config SERIAL_TXX9_CONSOLE
bool "TMPTX39XX/49XX SIO Console support"
depends on SERIAL_TXX9=y

23
drivers/serial/serial_txx9.c
View File

@ -37,6 +37,7 @@
* 1.06 Do not insert a char caused previous overrun.
* Fix some spin_locks.
* Do not call uart_add_one_port for absent ports.
* 1.07 Use CONFIG_SERIAL_TXX9_NR_UARTS. Cleanup.
*/
#if defined(CONFIG_SERIAL_TXX9_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
@ -58,9 +59,8 @@
#include <linux/mutex.h>
#include <asm/io.h>
#include <asm/irq.h>
static char *serial_version = "1.06";
static char *serial_version = "1.07";
static char *serial_name = "TX39/49 Serial driver";
#define PASS_LIMIT 256
@ -88,12 +88,7 @@ static char *serial_name = "TX39/49 Serial driver";
/*
* Number of serial ports
*/
#ifdef ENABLE_SERIAL_TXX9_PCI
#define NR_PCI_BOARDS 4
#define UART_NR (4 + NR_PCI_BOARDS)
#else
#define UART_NR 4
#endif
#define UART_NR CONFIG_SERIAL_TXX9_NR_UARTS
#define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
@ -987,6 +982,7 @@ int __init early_serial_txx9_setup(struct uart_port *port)
}
#ifdef ENABLE_SERIAL_TXX9_PCI
#ifdef CONFIG_PM
/**
* serial_txx9_suspend_port - suspend one serial port
* @line: serial line number
@ -1008,6 +1004,7 @@ static void serial_txx9_resume_port(int line)
{
uart_resume_port(&serial_txx9_reg, &serial_txx9_ports[line].port);
}
#endif
static DEFINE_MUTEX(serial_txx9_mutex);
@ -1118,6 +1115,7 @@ static void __devexit pciserial_txx9_remove_one(struct pci_dev *dev)
}
}
#ifdef CONFIG_PM
static int pciserial_txx9_suspend_one(struct pci_dev *dev, pm_message_t state)
{
int line = (int)(long)pci_get_drvdata(dev);
@ -1142,11 +1140,10 @@ static int pciserial_txx9_resume_one(struct pci_dev *dev)
}
return 0;
}
#endif
static struct pci_device_id serial_txx9_pci_tbl[] = {
{ PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC86C001_MISC,
PCI_ANY_ID, PCI_ANY_ID,
0, 0, 0 },
static const struct pci_device_id serial_txx9_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC86C001_MISC) },
{ 0, }
};
@ -1154,8 +1151,10 @@ static struct pci_driver serial_txx9_pci_driver = {
.name = "serial_txx9",
.probe = pciserial_txx9_init_one,
.remove = __devexit_p(pciserial_txx9_remove_one),
#ifdef CONFIG_PM
.suspend = pciserial_txx9_suspend_one,
.resume = pciserial_txx9_resume_one,
#endif
.id_table = serial_txx9_pci_tbl,
};