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SubjectPATCH: ide-default driver

This is the first of a set of changes to make DRIVER(drive)!=NULL an
invariant

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.65/drivers/ide/ide-default.c linux-2.5.65-ac2/drivers/ide/ide-default.c
--- linux-2.5.65/drivers/ide/ide-default.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.5.65-ac2/drivers/ide/ide-default.c 2003-03-07 23:01:51.000000000 +0000
@@ -0,0 +1,71 @@
+/*
+ * 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 int idedefault_attach(ide_drive_t *drive);
+
+/*
+ * IDE subdriver functions, registered with ide.c
+ *
+ * idedefault *must* support DMA because it will be
+ * attached before the other drivers are loaded and
+ * we don't want to lose the DMA status at probe
+ * time.
+ */
+
+ide_driver_t idedefault_driver = {
+ .name = "ide-default",
+ .version = IDEDEFAULT_VERSION,
+ .attach = idedefault_attach,
+ .supports_dma = 1,
+ .drives = LIST_HEAD_INIT(idedefault_driver.drives)
+};
+
+static int idedefault_attach (ide_drive_t *drive)
+{
+ 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);
+ return 1;
+ }
+ return 0;
+}
+
+MODULE_DESCRIPTION("IDE Default Driver");
+
+MODULE_LICENSE("GPL");
-
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