diff --git a/src/drivers/bus/pci.c b/src/drivers/bus/pci.c index 04305d4d..163204d0 100644 --- a/src/drivers/bus/pci.c +++ b/src/drivers/bus/pci.c @@ -73,7 +73,7 @@ static int fill_pci_device ( struct pci_device *pci ) { pci_read_config_byte ( pci, PCI_INTERRUPT_LINE, &pci->irq ); } - DBG ( "PCI found %hhx:%hhx.%d Class %hx: %hx:%hx (rev %hhx)\n", + DBG ( "PCI found device %hhx:%hhx.%d Class %hx: %hx:%hx (rev %hhx)\n", PCI_BUS ( pci->busdevfn ), PCI_DEV ( pci->busdevfn ), PCI_FUNC ( pci->busdevfn ), pci->class, pci->vendor, pci->dev_id, pci->revision ); @@ -92,7 +92,7 @@ void adjust_pci_device ( struct pci_device *pci ) { pci_read_config_word ( pci, PCI_COMMAND, &pci_command ); new_command = pci_command | PCI_COMMAND_MASTER | PCI_COMMAND_IO; if ( pci_command != new_command ) { - DBG ( "%hhx:%hhx.%d : PCI BIOS has not enabled this device! " + DBG ( "PCI BIOS has not enabled device %hhx:%hhx.%d! " "Updating PCI command %hX->%hX\n", PCI_BUS ( pci->busdevfn ), PCI_DEV ( pci->busdevfn ), PCI_FUNC ( pci->busdevfn ), pci_command, new_command ); @@ -100,8 +100,8 @@ void adjust_pci_device ( struct pci_device *pci ) { } pci_read_config_byte ( pci, PCI_LATENCY_TIMER, &pci_latency); if ( pci_latency < 32 ) { - DBG ( "%hhx:%hhx.%d : PCI latency timer (CFLT) " - "is unreasonably low at %d. Setting to 32.\n", + DBG ( "PCI device %hhx:%hhx.%d latency timer is " + "unreasonably low at %d. Setting to 32.\n", PCI_BUS ( pci->busdevfn ), PCI_DEV ( pci->busdevfn ), PCI_FUNC ( pci->busdevfn ), pci_latency ); pci_write_config_byte ( pci, PCI_LATENCY_TIMER, 32); @@ -139,7 +139,8 @@ int find_pci_device ( struct pci_device *pci, /* Iterate through all possible PCI bus:dev.fn combinations, * starting where we left off. */ - for ( ; pci->busdevfn <= 0xffff ; pci->busdevfn++ ) { + DBG ( "PCI searching for device matching driver %s\n", driver->name ); + do { /* If we've already used this device, skip it */ if ( pci->already_tried ) { pci->already_tried = 0; @@ -157,8 +158,8 @@ int find_pci_device ( struct pci_device *pci, /* If driver has a class, and class matches, use it */ if ( driver->class && ( driver->class == pci->class ) ) { - DBG ( "Driver %s matches class %hx\n", - driver->name, driver->class ); + DBG ( "PCI found class %hx matching driver %s\n", + driver->class, driver->name ); pci->name = driver->name; pci->already_tried = 1; return 1; @@ -170,17 +171,16 @@ int find_pci_device ( struct pci_device *pci, if ( ( pci->vendor == id->vendor ) && ( pci->dev_id == id->dev_id ) ) { - DBG ( "Device %s (driver %s) matches " - "ID %hx:%hx\n", id->name, driver->name, - id->vendor, id->dev_id ); + DBG ( "PCI found ID %hx:%hx (device %s) " + "matching driver %s\n", id->vendor, + id->dev_id, id->name, driver->name ); pci->name = id->name; pci->already_tried = 1; return 1; } } - - DBG ( "No match in driver %s\n", driver->name ); - } + } while ( ++pci->busdevfn ); + DBG ( "PCI failed to find device matching driver %s\n", driver->name ); /* No device found */ return 0;