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Patch by Marcus Overhagen,

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- check if we need to enable interrupts,
- always trace old/new cmd.
-alphabranch for now, needs testing.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32921 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol 2009-09-03 12:37:45 +00:00
parent 7f7a624ee3
commit 5548f2b27f
1 changed files with 6 additions and 2 deletions
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8
src/add-ons/kernel/generic/ata_adapter/ata_adapter.c
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@ -525,6 +525,10 @@ ata_adapter_detect_channel(pci_device_module_info *pci, pci_device *pci_device,
// this should be done in ata_adapter_init_controller but there is crashes
pcicmdOld = pcicmdNew = pci->read_pci_config(pci_device, PCI_command, 2);
if ((pcicmdNew & (1 << 10)) != 0) {
TRACE("PCI-ATA: enabling interrupts\n");
pcicmdNew &= ~(1 << 10);
}
if ((pcicmdNew & PCI_command_io) == 0) {
TRACE("PCI-ATA: enabling io decoder\n");
pcicmdNew |= PCI_command_io;
@ -535,9 +539,9 @@ ata_adapter_detect_channel(pci_device_module_info *pci, pci_device *pci_device,
}
if (pcicmdOld != pcicmdNew) {
pci->write_pci_config(pci_device, PCI_command, 2, pcicmdNew);
TRACE("PCI-ATA: pcicmd old 0x%04x, new 0x%04x\n",
pcicmdOld, pcicmdNew);
}
TRACE("PCI-ATA: pcicmd old 0x%04x, new 0x%04x\n",
pcicmdOld, pcicmdNew);
if (supports_compatibility_mode) {