ide: remove useless subdirs from drivers/ide/

Suggested-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/drivers/ide/ide-4drives.c b/drivers/ide/ide-4drives.c
new file mode 100644
index 000000000000..9e85b1ec9607
--- /dev/null
+++ b/drivers/ide/ide-4drives.c
@@ -0,0 +1,63 @@
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/ide.h>
+
+#define DRV_NAME "ide-4drives"
+
+static int probe_4drives;
+
+module_param_named(probe, probe_4drives, bool, 0);
+MODULE_PARM_DESC(probe, "probe for generic IDE chipset with 4 drives/port");
+
+static void ide_4drives_init_dev(ide_drive_t *drive)
+{
+        if (drive->hwif->channel)
+                drive->select ^= 0x20;
+}
+
+static const struct ide_port_ops ide_4drives_port_ops = {
+        .init_dev               = ide_4drives_init_dev,
+};
+
+static const struct ide_port_info ide_4drives_port_info = {
+        .port_ops               = &ide_4drives_port_ops,
+        .host_flags             = IDE_HFLAG_SERIALIZE | IDE_HFLAG_NO_DMA,
+};
+
+static int __init ide_4drives_init(void)
+{
+        unsigned long base = 0x1f0, ctl = 0x3f6;
+        hw_regs_t hw, *hws[] = { &hw, &hw, NULL, NULL };
+
+        if (probe_4drives == 0)
+                return -ENODEV;
+
+        if (!request_region(base, 8, DRV_NAME)) {
+                printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
+                                DRV_NAME, base, base + 7);
+                return -EBUSY;
+        }
+
+        if (!request_region(ctl, 1, DRV_NAME)) {
+                printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
+                                DRV_NAME, ctl);
+                release_region(base, 8);
+                return -EBUSY;
+        }
+
+        memset(&hw, 0, sizeof(hw));
+
+        ide_std_init_ports(&hw, base, ctl);
+        hw.irq = 14;
+        hw.chipset = ide_4drives;
+
+        return ide_host_add(&ide_4drives_port_info, hws, NULL);
+}
+
+module_init(ide_4drives_init);
+
+MODULE_AUTHOR("Bartlomiej Zolnierkiewicz");
+MODULE_DESCRIPTION("generic IDE chipset with 4 drives/port support");
+MODULE_LICENSE("GPL");