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Message-Id: <20061222.020102.11963437.anemo@mba.ocn.ne.jp>
Date: Fri, 22 Dec 2006 02:01:02 +0900 (JST)
From: Atsushi Nemoto <anemo@....ocn.ne.jp>
To: linux-kernel@...r.kernel.org
Cc: akpm@...l.org, ralf@...ux-mips.org
Subject: [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@....ocn.ne.jp>
---
Kconfig | 5 +++++
serial_txx9.c | 23 +++++++++++------------
2 files changed, 16 insertions(+), 12 deletions(-)
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 2978c09..5cc6b91 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -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
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 7186a82..f4440d3 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -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/serial.h>
#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 @@ #endif
/*
* 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(struc
}
#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
{
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_rem
}
}
+#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(str
}
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
.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,
};
-
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