diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/shared/pci/pcibios.c')
| -rw-r--r-- | c/src/lib/libbsp/i386/shared/pci/pcibios.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/c/src/lib/libbsp/i386/shared/pci/pcibios.c b/c/src/lib/libbsp/i386/shared/pci/pcibios.c index 6423ead089..f6809053e4 100644 --- a/c/src/lib/libbsp/i386/shared/pci/pcibios.c +++ b/c/src/lib/libbsp/i386/shared/pci/pcibios.c @@ -184,7 +184,7 @@ pci_find_device( ) { int status; - int sig; + int sig = 0; status = pcib_find_by_devid( vendorid, deviceid, instance, &sig ); @@ -241,25 +241,23 @@ BusCountPCI() { if( ucBusCount == 0xff ) { - unsigned char bus,dev,hd; - unsigned int d; + unsigned char bus; + unsigned char dev; + unsigned char hd = 0; + unsigned int d = 0; int sig; ucBusCount = 0; - for(bus=0; bus< 0xff; bus++) - { - for(dev=0; dev<PCI_MAX_DEVICES; dev++) - { + for (bus=0; bus< 0xff; bus++) { + for (dev=0; dev<PCI_MAX_DEVICES; dev++) { sig = PCIB_DEVSIG_MAKE(bus,dev,0); pcib_conf_read32(sig, PCI_VENDOR_ID, &d); - if( d != -1 ) - { + if( d != -1 ) { pcib_conf_read32(sig, PCI_CLASS_REVISION, &d); - if( (d >> 16) == PCI_CLASS_BRIDGE_PCI ) - { + if( (d >> 16) == PCI_CLASS_BRIDGE_PCI ) { pcib_conf_read8(sig, PCI_SUBORDINATE_BUS, &hd); if( hd > ucBusCount ) @@ -270,13 +268,10 @@ BusCountPCI() } - if( ucBusCount == 0 ) - { + if( ucBusCount == 0 ) { printk("BusCountPCI() found 0 busses, assuming 1\n"); ucBusCount = 1; - } - else if( ucBusCount == 0xff ) - { + } else if( ucBusCount == 0xff ) { printk("BusCountPCI() found 0xff busses, assuming 1\n"); ucBusCount = 1; } @@ -291,9 +286,12 @@ BSP_pciFindDevice( unsigned short vendorid, unsigned short deviceid, int instance, int *pbus, int *pdev, int *pfun ) { int sig; - unsigned int d; - unsigned short s; - unsigned char bus,dev,fun,hd; + unsigned int d = 0; + unsigned short s = 0; + unsigned char bus; + unsigned char dev; + unsigned char fun; + unsigned char hd = 0; for (bus=0; bus<BusCountPCI(); bus++) { |