patch-2.4.21 linux-2.4.21/drivers/ide/rz1000.c

• Lines: 98
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.20/drivers/ide/rz1000.c
• Orig date: 2001-05-01 16:05:00.000000000 -0700

diff -urN linux-2.4.20/drivers/ide/rz1000.c linux-2.4.21/drivers/ide/rz1000.c
@@ -1,97 +0,0 @@
-/*
- *  linux/drivers/ide/rz1000.c		Version 0.05	December 8, 1997
- *
- *  Copyright (C) 1995-1998  Linus Torvalds & author (see below)
- */
-
-/*
- *  Principal Author:  mlord@pobox.com (Mark Lord)
- *
- *  See linux/MAINTAINERS for address of current maintainer.
- *
- *  This file provides support for disabling the buggy read-ahead
- *  mode of the RZ1000 IDE chipset, commonly used on Intel motherboards.
- *
- *  Dunno if this fixes both ports, or only the primary port (?).
- */
-
-#undef REALLY_SLOW_IO		/* most systems can safely undef this */
-
-#include <linux/config.h> /* for CONFIG_BLK_DEV_IDEPCI */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/ioport.h>
-#include <linux/blkdev.h>
-#include <linux/hdreg.h>
-#include <linux/pci.h>
-#include <linux/ide.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-
-#ifdef CONFIG_BLK_DEV_IDEPCI
-
-void __init ide_init_rz1000 (ide_hwif_t *hwif)	/* called from ide-pci.c */
-{
-	unsigned short reg;
-	struct pci_dev *dev = hwif->pci_dev;
-
-	hwif->chipset = ide_rz1000;
-	if (!pci_read_config_word (dev, 0x40, &reg)
-	 && !pci_write_config_word(dev, 0x40, reg & 0xdfff))
-	{
-		printk("%s: disabled chipset read-ahead (buggy RZ1000/RZ1001)\n", hwif->name);
-	} else {
-		hwif->serialized = 1;
-		hwif->drives[0].no_unmask = 1;
-		hwif->drives[1].no_unmask = 1;
-		printk("%s: serialized, disabled unmasking (buggy RZ1000/RZ1001)\n", hwif->name);
-	}
-}
-
-#else
-
-static void __init init_rz1000 (struct pci_dev *dev, const char *name)
-{
-	unsigned short reg, h;
-
-	if (!pci_read_config_word (dev, PCI_COMMAND, &reg) && !(reg & PCI_COMMAND_IO)) {
-		printk("%s: buggy IDE controller disabled (BIOS)\n", name);
-		return;
-	}
-	if (!pci_read_config_word (dev, 0x40, &reg)
-	 && !pci_write_config_word(dev, 0x40, reg & 0xdfff))
-	{
-		printk("IDE: disabled chipset read-ahead (buggy %s)\n", name);
-	} else {
-		for (h = 0; h < MAX_HWIFS; ++h) {
-			ide_hwif_t *hwif = &ide_hwifs[h];
-			if ((hwif->io_ports[IDE_DATA_OFFSET] == 0x1f0 || hwif->io_ports[IDE_DATA_OFFSET] == 0x170)
-			 && (hwif->chipset == ide_unknown || hwif->chipset == ide_generic))
-			{
-				hwif->chipset = ide_rz1000;
-				hwif->serialized = 1;
-				hwif->drives[0].no_unmask = 1;
-				hwif->drives[1].no_unmask = 1;
-				if (hwif->io_ports[IDE_DATA_OFFSET] == 0x170)
-					hwif->channel = 1;
-				printk("%s: serialized, disabled unmasking (buggy %s)\n", hwif->name, name);
-			}
-		}
-	}
-}
-
-void __init ide_probe_for_rz100x (void)	/* called from ide.c */
-{
-	struct pci_dev *dev = NULL;
-
-	while ((dev = pci_find_device(PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_RZ1000, dev))!=NULL)
-		init_rz1000 (dev, "RZ1000");
-	while ((dev = pci_find_device(PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_RZ1001, dev))!=NULL)
-		init_rz1000 (dev, "RZ1001");
-}
-
-#endif /* CONFIG_BLK_DEV_IDEPCI */