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Code Issues Releases Activity

- Do not hang if the resource allocation fails.

Browse Source 
- Add another quirk entry of SB AWE64.

PR:		kern/32530
Submitted by:	Magnus Backstrom <b@etek.chalmers.se>
This commit is contained in:
Seigo Tanimura 2002-02-05 06:52:56 +00:00
parent 93deb2ae12
commit 38b968c3a5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=90234
2 changed files with 30 additions and 19 deletions
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47
sys/dev/sound/isa/emu8000.c
View File

@ -1910,30 +1910,39 @@ emu_status(sc_p scp, int reg, int chn)
static int
emu_allocres(sc_p scp, device_t dev)
{
int iobase;
int i;
if (scp->io[0] == NULL) {
scp->io_rid[0] = 0;
scp->io[0] = bus_alloc_resource(dev, SYS_RES_IOPORT, &scp->io_rid[0], 0, ~0, 4, RF_ACTIVE);
}
if (scp->io[0] == NULL)
return (1);
iobase = rman_get_start(scp->io[0]);
if (scp->io[1] == NULL) {
scp->io_rid[1] = 1;
scp->io[1] = bus_alloc_resource(dev, SYS_RES_IOPORT, &scp->io_rid[1], iobase + 0x400, iobase + 0x400 + 3, 4, RF_ACTIVE);
}
if (scp->io[2] == NULL) {
scp->io_rid[2] = 2;
scp->io[2] = bus_alloc_resource(dev, SYS_RES_IOPORT, &scp->io_rid[2], iobase + 0x800, iobase + 0x800 + 3, 4, RF_ACTIVE);
/*
* Attempt to allocate the EMU8000's three I/O port ranges.
*/
for (i = 0; i < 3; i++)
{
if (scp->io[i] == NULL)
{
scp->io_rid[i] = i;
scp->io[i] = bus_alloc_resource(dev, SYS_RES_IOPORT,
&(scp->io_rid[i]),
0, ~0, 4, RF_ACTIVE);
}
}
if (scp->io[0] == NULL || scp->io[1] == NULL || scp->io[2] == NULL) {
printf("emu_allocres: failed.\n");
return (1);
/*
* Fail if any of the I/O ranges failed (I.e. weren't identified and
* configured by PNP, which can happen if the ID of the card isn't
* known by the PNP quirk-handling logic)
*/
if (scp->io[0] == NULL || scp->io[1] == NULL || scp->io[2] == NULL)
{
printf("emu%d: Resource alloc failed, pnp_quirks "
"may need { 0x%08x, 0x%08x }\n",
device_get_unit(dev),
isa_get_vendorid(dev),
isa_get_logicalid(dev));
return 1;
}
return (0);
return 0;
}
/* Releases resources. */

2
sys/isa/pnp.c
View File

@ -83,6 +83,8 @@ struct pnp_quirk pnp_quirks[] = {
PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
{ 0xc1008c0e /* SB64(CTL00c1) */, 0x22008c0e,
PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
{ 0xc5008c0e /* SB64(CTL00c5) */, 0x22008c0e,
PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },
{ 0xe4008c0e /* SB64(CTL00e4) */, 0x22008c0e,
PNP_QUIRK_EXTRA_IO, 0x400, 0x800 },