diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 16:32:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 16:32:33 -0800 |
| commit | 1cb9e8e01d2c73184e2074f37cd155b3c4fdaae6 (patch) | |
| tree | 3c8d1716cd53ed77a935036090323a1ae9a7963b /drivers/pci | |
| parent | d779188d2baf436e67fe8816fca2ef53d246900f (diff) | |
| parent | a18ceba7b40e24a9da87249bd74f16ea5abd6894 (diff) | |
Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/quirks.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 3a4f49f4effb..f28ebdd3958a 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1098,6 +1098,23 @@ static void __init quirk_alder_ioapic(struct pci_dev *pdev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EESSC, quirk_alder_ioapic ); #endif +enum ide_combined_type { COMBINED = 0, IDE = 1, LIBATA = 2 }; +/* Defaults to combined */ +static enum ide_combined_type combined_mode; + +static int __init combined_setup(char *str) +{ + if (!strncmp(str, "ide", 3)) + combined_mode = IDE; + else if (!strncmp(str, "libata", 6)) + combined_mode = LIBATA; + else /* "combined" or anything else defaults to old behavior */ + combined_mode = COMBINED; + + return 1; +} +__setup("combined_mode=", combined_setup); + #ifdef CONFIG_SCSI_SATA_INTEL_COMBINED static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev) { @@ -1164,6 +1181,19 @@ static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev) if (prog & comb) return; + /* Don't reserve any so the IDE driver can get them (but only if + * combined_mode=ide). + */ + if (combined_mode == IDE) + return; + + /* Grab them both for libata if combined_mode=libata. */ + if (combined_mode == LIBATA) { + request_region(0x1f0, 8, "libata"); /* port 0 */ + request_region(0x170, 8, "libata"); /* port 1 */ + return; + } + /* SATA port is in legacy mode. Reserve port so that * IDE driver does not attempt to use it. If request_region * fails, it will be obvious at boot time, so we don't bother |