dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

ACPI: PCI: use 1-based encoding for _PRT quirks 

Use the PCI INTx pin encoding (1=INTA, 2=INTB, etc) for _PRT quirks.
Then we can simply compare "entry->pin == quirk->pin".

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bjorn Helgaas 2008-12-08 21:30:46 -07:00 committed by Len Brown
parent e64e9db53a
commit c458033c9b
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/acpi/pci_irq.c
View File

@ -145,19 +145,21 @@ struct prt_quirk {
char *actual_source; char *actual_source;
}; };
#define PCI_INTX_PIN(c) (c - 'A' + 1)
/* /*
* These systems have incorrect _PRT entries. The BIOS claims the PCI * These systems have incorrect _PRT entries. The BIOS claims the PCI
* interrupt at the listed segment/bus/device/pin is connected to the first * interrupt at the listed segment/bus/device/pin is connected to the first
* link device, but it is actually connected to the second. * link device, but it is actually connected to the second.
*/ */
static struct prt_quirk prt_quirks[] = { static struct prt_quirk prt_quirks[] = {
{ medion_md9580, 0, 0, 9, 'A', { medion_md9580, 0, 0, 9, PCI_INTX_PIN('A'),
"\\_SB_.PCI0.ISA_.LNKA", "\\_SB_.PCI0.ISA_.LNKA",
"\\_SB_.PCI0.ISA_.LNKB"}, "\\_SB_.PCI0.ISA_.LNKB"},
{ dell_optiplex, 0, 0, 0xd, 'A', { dell_optiplex, 0, 0, 0xd, PCI_INTX_PIN('A'),
"\\_SB_.LNKB", "\\_SB_.LNKB",
"\\_SB_.LNKA"}, "\\_SB_.LNKA"},
{ hp_t5710, 0, 0, 1, 'A', { hp_t5710, 0, 0, 1, PCI_INTX_PIN('A'),
"\\_SB_.PCI0.LNK1", "\\_SB_.PCI0.LNK1",
"\\_SB_.PCI0.LNK3"}, "\\_SB_.PCI0.LNK3"},
}; };
@ -179,7 +181,7 @@ do_prt_fixups(struct acpi_prt_entry *entry, struct acpi_pci_routing_table *prt)
entry->id.segment == quirk->segment && entry->id.segment == quirk->segment &&
entry->id.bus == quirk->bus && entry->id.bus == quirk->bus &&
entry->id.device == quirk->device && entry->id.device == quirk->device &&
pin_name(entry->pin) == quirk->pin && entry->pin == quirk->pin &&
!strcmp(prt->source, quirk->source) && !strcmp(prt->source, quirk->source) &&
strlen(prt->source) >= strlen(quirk->actual_source)) { strlen(prt->source) >= strlen(quirk->actual_source)) {
printk(KERN_WARNING PREFIX "firmware reports " printk(KERN_WARNING PREFIX "firmware reports "