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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-11 09:22:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-11 09:22:50 -0700 |
| commit | 9ec4ff421f032f24416217f23b0c82dc9a5f38f6 (patch) | |
| tree | 63035223c2b3ce0e4e2d1c54ff7768af46f16753 /drivers/ide | |
| parent | aa7c3a119a6202b758a669cde9e3829ced64a13f (diff) | |
| download | kernel_samsung_smdk4412-9ec4ff421f032f24416217f23b0c82dc9a5f38f6.tar.gz kernel_samsung_smdk4412-9ec4ff421f032f24416217f23b0c82dc9a5f38f6.tar.bz2 kernel_samsung_smdk4412-9ec4ff421f032f24416217f23b0c82dc9a5f38f6.zip | |
hpt366: write the full 4 bytes of ROM address, not just low 1 byte
This is one heck of a confused driver. It uses a byte write to a dword
register to enable a ROM resource that it doesn't even seem to be using.
"Lost and wandering in the desert of confusion"
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/pci/hpt366.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 7b64db10d1b..127619a109e 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -1334,9 +1334,13 @@ static int __devinit init_hpt366(struct pci_dev *dev) static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const char *name) { int ret = 0; - /* FIXME: Not portable */ + + /* + * FIXME: Not portable. Also, why do we enable the ROM in the first place? + * We don't seem to be using it. + */ if (dev->resource[PCI_ROM_RESOURCE].start) - pci_write_config_byte(dev, PCI_ROM_ADDRESS, + pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE); pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4)); |