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Allow attimer to be hinted at ISA if not reported by ISA PNP or ACPI.

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Rephrase respective atrtc code same way to be more readable.
This commit is contained in:
Alexander Motin 2010-07-01 18:59:05 +00:00
parent 6019ba4e4b
commit a7d6757c3e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=209635
2 changed files with 12 additions and 7 deletions
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12
sys/x86/isa/atrtc.c
View File

@ -231,13 +231,13 @@ atrtc_probe(device_t dev)
{
int result;
device_set_desc(dev, "AT Real Time Clock");
result = ISA_PNP_PROBE(device_get_parent(dev), dev, atrtc_ids);
/* ENXIO if wrong PnP-ID, ENOENT ifno PnP-ID, zero if good PnP-iD */
if (result != ENOENT)
return(result);
/* All PC's have an RTC, and we're hosed without it, so... */
return (BUS_PROBE_LOW_PRIORITY);
/* ENOENT means no PnP-ID, device is hinted. */
if (result == ENOENT) {
device_set_desc(dev, "AT realtime clock");
return (BUS_PROBE_LOW_PRIORITY);
}
return (result);
}
static int

7
sys/x86/isa/clock.c
View File

@ -511,7 +511,12 @@ attimer_probe(device_t dev)
int result;
result = ISA_PNP_PROBE(device_get_parent(dev), dev, attimer_ids);
return(result);
/* ENOENT means no PnP-ID, device is hinted. */
if (result == ENOENT) {
device_set_desc(dev, "AT timer");
return (BUS_PROBE_LOW_PRIORITY);
}
return (result);
}
static int