patch-2.4.21 linux-2.4.21/drivers/ide/ide-default.c

• Lines: 98
• Date: 2003-06-13 07:51:33.000000000 -0700
• Orig file: linux-2.4.20/drivers/ide/ide-default.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.20/drivers/ide/ide-default.c linux-2.4.21/drivers/ide/ide-default.c
@@ -0,0 +1,97 @@
+/*
+ *	ide-default		-	Driver for unbound ide devices
+ *
+ *	This provides a clean way to bind a device to default operations
+ *	by having an actual driver class that rather than special casing
+ *	"no driver" all over the IDE code
+ *
+ *	Copyright (C) 2003, Red Hat <alan@redhat.com>
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/timer.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/major.h>
+#include <linux/errno.h>
+#include <linux/genhd.h>
+#include <linux/slab.h>
+#include <linux/cdrom.h>
+#include <linux/ide.h>
+
+#include <asm/byteorder.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/unaligned.h>
+#include <asm/bitops.h>
+
+#define IDEDEFAULT_VERSION	"0.9.newide"
+/*
+ *	Driver initialization.
+ */
+
+static void idedefault_setup (ide_drive_t *drive)
+{
+}
+
+int idedefault_init (void);
+int idedefault_attach(ide_drive_t *drive);
+
+/*
+ *	IDE subdriver functions, registered with ide.c
+ */
+
+ide_driver_t idedefault_driver = {
+	name:			"ide-default",
+	version:		IDEDEFAULT_VERSION,
+	media:			0,
+	busy:			0,
+	supports_dma:		1,
+	supports_dsc_overlap:	0,
+	init:			idedefault_init,
+	attach:			idedefault_attach,
+};
+
+static ide_module_t idedefault_module = {
+	IDE_DRIVER_MODULE,
+	idedefault_init,
+	&idedefault_driver,
+	NULL
+};
+
+int idedefault_attach (ide_drive_t *drive)
+{
+	int ret = 0;
+	MOD_INC_USE_COUNT;
+	if (ide_register_subdriver(drive,
+			&idedefault_driver, IDE_SUBDRIVER_VERSION)) {
+		printk(KERN_ERR "ide-default: %s: Failed to register the "
+			"driver with ide.c\n", drive->name);
+		ret = 1;
+		goto bye_game_over;
+	}
+	DRIVER(drive)->busy++;
+	idedefault_setup(drive);
+	DRIVER(drive)->busy--;
+
+bye_game_over:
+	MOD_DEC_USE_COUNT;
+	return ret;
+}
+
+MODULE_DESCRIPTION("IDE Default Driver");
+
+int idedefault_init (void)
+{
+	ide_register_module(&idedefault_module);
+	return 0;
+}
+
+module_init(idedefault_init);
+MODULE_LICENSE("GPL");