forked from Minki/linux
ced3ec8aa7
Prefix messages from IDE PCI host drivers by driver name instead of marketed
chipset name (it is still possible to exactly identify the particular chipset
basing on driver messages).
As a bonus this provides nice code savings for some drivers:
text data bss dec hex filename
3826 112 8 3946 f6a drivers/ide/pci/amd74xx.o.before
2786 112 8 2906 b5a drivers/ide/pci/amd74xx.o.after
764 108 0 872 368 drivers/ide/pci/cs5520.o.before
680 108 0 788 314 drivers/ide/pci/cs5520.o.after
1680 112 4 1796 704 drivers/ide/pci/generic.o.before
1155 112 4 1271 4f7 drivers/ide/pci/generic.o.after
7128 792 0 7920 1ef0 drivers/ide/pci/hpt366.o.before
6984 792 0 7776 1e60 drivers/ide/pci/hpt366.o.after
2800 148 0 2948 b84 drivers/ide/pci/pdc202xx_new.o.before
2523 148 0 2671 a6f drivers/ide/pci/pdc202xx_new.o.after
2831 148 0 2979 ba3 drivers/ide/pci/pdc202xx_old.o.before
2683 148 0 2831 b0f drivers/ide/pci/pdc202xx_old.o.after
3776 112 4 3892 f34 drivers/ide/pci/piix.o.before
2804 112 4 2920 b68 drivers/ide/pci/piix.o.after
4693 116 0 4809 12c9 drivers/ide/pci/siimage.o.before
4600 116 0 4716 126c drivers/ide/pci/siimage.o.after
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/*
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* Copyright (C) 1995-1998 Linus Torvalds & author (see below)
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*/
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/*
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* Principal Author: mlord@pobox.com (Mark Lord)
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*
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* See linux/MAINTAINERS for address of current maintainer.
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*
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* This file provides support for disabling the buggy read-ahead
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* mode of the RZ1000 IDE chipset, commonly used on Intel motherboards.
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*
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* Dunno if this fixes both ports, or only the primary port (?).
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*/
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/hdreg.h>
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#include <linux/pci.h>
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#include <linux/ide.h>
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#include <linux/init.h>
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#define DRV_NAME "rz1000"
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static void __devinit init_hwif_rz1000 (ide_hwif_t *hwif)
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{
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struct pci_dev *dev = to_pci_dev(hwif->dev);
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u16 reg;
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if (!pci_read_config_word (dev, 0x40, ®) &&
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!pci_write_config_word(dev, 0x40, reg & 0xdfff)) {
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printk(KERN_INFO "%s: disabled chipset read-ahead "
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"(buggy RZ1000/RZ1001)\n", hwif->name);
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} else {
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if (hwif->mate)
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hwif->mate->serialized = hwif->serialized = 1;
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hwif->host_flags |= IDE_HFLAG_NO_UNMASK_IRQS;
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printk(KERN_INFO "%s: serialized, disabled unmasking "
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"(buggy RZ1000/RZ1001)\n", hwif->name);
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}
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}
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static const struct ide_port_info rz1000_chipset __devinitdata = {
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.name = DRV_NAME,
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.init_hwif = init_hwif_rz1000,
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.chipset = ide_rz1000,
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.host_flags = IDE_HFLAG_NO_DMA,
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};
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static int __devinit rz1000_init_one(struct pci_dev *dev, const struct pci_device_id *id)
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{
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return ide_pci_init_one(dev, &rz1000_chipset, NULL);
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}
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static const struct pci_device_id rz1000_pci_tbl[] = {
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{ PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_RZ1000), 0 },
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{ PCI_VDEVICE(PCTECH, PCI_DEVICE_ID_PCTECH_RZ1001), 0 },
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{ 0, },
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};
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MODULE_DEVICE_TABLE(pci, rz1000_pci_tbl);
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static struct pci_driver driver = {
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.name = "RZ1000_IDE",
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.id_table = rz1000_pci_tbl,
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.probe = rz1000_init_one,
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.remove = ide_pci_remove,
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};
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static int __init rz1000_ide_init(void)
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{
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return ide_pci_register_driver(&driver);
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}
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static void __exit rz1000_ide_exit(void)
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{
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pci_unregister_driver(&driver);
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}
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module_init(rz1000_ide_init);
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module_exit(rz1000_ide_exit);
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MODULE_AUTHOR("Andre Hedrick");
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MODULE_DESCRIPTION("PCI driver module for RZ1000 IDE");
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MODULE_LICENSE("GPL");
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