diff options
Diffstat (limited to 'src/include/ipxe/efi')
| -rw-r--r-- | src/include/ipxe/efi/efi_pci_api.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/ipxe/efi/efi_pci_api.h b/src/include/ipxe/efi/efi_pci_api.h index 1bc43e3..498a038 100644 --- a/src/include/ipxe/efi/efi_pci_api.h +++ b/src/include/ipxe/efi/efi_pci_api.h @@ -55,6 +55,7 @@ static inline __always_inline int PCIAPI_INLINE ( efi, pci_read_config_byte ) ( struct pci_device *pci, unsigned int where, uint8_t *value ) { + *value = 0xff; return efipci_read ( pci, EFIPCI_LOCATION ( where, EFIPCI_WIDTH_BYTE ), value ); @@ -72,6 +73,7 @@ static inline __always_inline int PCIAPI_INLINE ( efi, pci_read_config_word ) ( struct pci_device *pci, unsigned int where, uint16_t *value ) { + *value = 0xffff; return efipci_read ( pci, EFIPCI_LOCATION ( where, EFIPCI_WIDTH_WORD ), value ); @@ -89,6 +91,7 @@ static inline __always_inline int PCIAPI_INLINE ( efi, pci_read_config_dword ) ( struct pci_device *pci, unsigned int where, uint32_t *value ) { + *value = 0xffffffffUL; return efipci_read ( pci, EFIPCI_LOCATION ( where, EFIPCI_WIDTH_DWORD ), value ); |