diff options
author | Miod Vallat <miod@cvs.openbsd.org> | 2005-03-15 21:10:38 +0000 |
---|---|---|
committer | Miod Vallat <miod@cvs.openbsd.org> | 2005-03-15 21:10:38 +0000 |
commit | afafedd10667d1967791831ae2df6b34365dd988 (patch) | |
tree | 92e10444be172235f936f1b72e3aca5fb2d1961b | |
parent | 06d07131484e3f848b7997213ae867f6ff545e00 (diff) |
Skip empty pci ranges rather than aborting probe, as done on sparc64.
ok drahn@
-rw-r--r-- | sys/arch/macppc/pci/vgafb_pci.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/sys/arch/macppc/pci/vgafb_pci.c b/sys/arch/macppc/pci/vgafb_pci.c index 205edb0bcd3..c5bc4e29b1a 100644 --- a/sys/arch/macppc/pci/vgafb_pci.c +++ b/sys/arch/macppc/pci/vgafb_pci.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vgafb_pci.c,v 1.14 2003/11/12 20:08:31 miod Exp $ */ +/* $OpenBSD: vgafb_pci.c,v 1.15 2005/03/15 21:10:37 miod Exp $ */ /* $NetBSD: vga_pci.c,v 1.4 1996/12/05 01:39:38 cgd Exp $ */ /* @@ -111,13 +111,12 @@ vgafb_pci_probe(struct pci_attach_args *pa, int id, u_int32_t *ioaddr, PCI_MAPREG_TYPE_IO) { retval = pci_io_find(pc, pa->pa_tag, i, &addr, &size); + if (retval != 0) { + continue; + } #ifdef DEBUG_VGAFB printf("vgafb_pci_probe: io %x addr %x size %x\n", i, addr, size); #endif - - if (retval) { - return 0; - } if (*iosize == 0) { *ioaddr = addr; *iosize = size; @@ -126,13 +125,12 @@ vgafb_pci_probe(struct pci_attach_args *pa, int id, u_int32_t *ioaddr, } else { retval = pci_mem_find(pc, pa->pa_tag, i, &addr, &size, &tcacheable); + if (retval != 0) { + continue; + } #ifdef DEBUG_VGAFB printf("vgafb_pci_probe: mem %x addr %x size %x\n", i, addr, size); #endif - - if (retval) { - return 0; - } if (size == 0 || addr == 0) { /* ignore this entry */ } else if (*memsize == 0) { @@ -214,14 +212,19 @@ vgafb_pci_probe(struct pci_attach_args *pa, int id, u_int32_t *ioaddr, } else { /* iospace not available, assume 640x480, pray */ *ioaddr = 0; - *iosize=0; + *iosize = 0; } } #ifdef DEBUG_VGAFB printf("vgafb_pci_probe: id %x ioaddr %x, iosize %x, memaddr %x,\n memsize %x, mmioaddr %x, mmiosize %x\n", id, *ioaddr, *iosize, *memaddr, *memsize, *mmioaddr, *mmiosize); #endif - return 1; + + /* io and mmio spaces are not required to attach */ + if (/* *iosize == 0 || */ *memsize == 0 /* || *mmiosize == 0 */) + return (0); + + return (1); } int |