diff options
| -rw-r--r-- | src/drivers/bus/ecam.c | 6 | ||||
| -rw-r--r-- | src/include/ipxe/ecam.h | 2 |
2 files changed, 6 insertions, 2 deletions
diff --git a/src/drivers/bus/ecam.c b/src/drivers/bus/ecam.c index dd3e1e5..62baebe 100644 --- a/src/drivers/bus/ecam.c +++ b/src/drivers/bus/ecam.c @@ -127,7 +127,7 @@ static int ecam_access ( struct pci_device *pci ) { /* Reuse mapping if possible */ if ( ( pci->busdevfn - ecam.range.start ) < ecam.range.count ) - return 0; + return ecam.rc; /* Clear any existing mapping */ if ( ecam.regs ) { @@ -145,6 +145,7 @@ static int ecam_access ( struct pci_device *pci ) { if ( ecam.range.start > pci->busdevfn ) { DBGC ( &ecam, "ECAM found no allocation for " PCI_FMT "\n", PCI_ARGS ( pci ) ); + rc = -ENOENT; goto err_find; } @@ -165,12 +166,13 @@ static int ecam_access ( struct pci_device *pci ) { DBGC ( &ecam, "ECAM %04x:[%02x-%02x] mapped [%08llx,%08llx) -> %p\n", le16_to_cpu ( ecam.alloc.segment ), ecam.alloc.start, ecam.alloc.end, base, ( base + len ), ecam.regs ); + ecam.rc = 0; return 0; iounmap ( ecam.regs ); err_ioremap: err_find: - ecam.range.count = 0; + ecam.rc = rc; return rc; } diff --git a/src/include/ipxe/ecam.h b/src/include/ipxe/ecam.h index 683d613..ff08aee 100644 --- a/src/include/ipxe/ecam.h +++ b/src/include/ipxe/ecam.h @@ -50,6 +50,8 @@ struct ecam_mapping { struct pci_range range; /** MMIO base address */ void *regs; + /** Mapping result */ + int rc; }; extern struct pci_api ecam_api; |