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-rw-r--r--sys/dev/sound/isa/es1888.c2
-rw-r--r--sys/i386/i386/bios.c2
-rw-r--r--sys/isa/isavar.h17
-rw-r--r--sys/sparc64/isa/isa.c2
4 files changed, 12 insertions, 11 deletions
diff --git a/sys/dev/sound/isa/es1888.c b/sys/dev/sound/isa/es1888.c
index 22e1bb0..24830a2 100644
--- a/sys/dev/sound/isa/es1888.c
+++ b/sys/dev/sound/isa/es1888.c
@@ -148,7 +148,7 @@ es1888_identify(driver_t *driver, device_t parent)
/*
* Create the device and program its resources.
*/
- dev = BUS_ADD_CHILD(parent, ISA_ORDER_PNP, NULL, -1);
+ dev = BUS_ADD_CHILD(parent, ISA_ORDER_PNPBIOS, NULL, -1);
bus_set_resource(dev, SYS_RES_IOPORT, 0, 0x220, 0x10);
bus_set_resource(dev, SYS_RES_IRQ, 0, 5, 1);
bus_set_resource(dev, SYS_RES_DRQ, 0, 1, 1);
diff --git a/sys/i386/i386/bios.c b/sys/i386/i386/bios.c
index 3bee94f..ca434cb 100644
--- a/sys/i386/i386/bios.c
+++ b/sys/i386/i386/bios.c
@@ -611,7 +611,7 @@ pnpbios_identify(driver_t *driver, device_t parent)
continue;
/* Add the device and parse its resources */
- dev = BUS_ADD_CHILD(parent, ISA_ORDER_PNP, NULL, -1);
+ dev = BUS_ADD_CHILD(parent, ISA_ORDER_PNPBIOS, NULL, -1);
isa_set_vendorid(dev, pd->devid);
isa_set_logicalid(dev, pd->devid);
/*
diff --git a/sys/isa/isavar.h b/sys/isa/isavar.h
index 811a721..57fad23 100644
--- a/sys/isa/isavar.h
+++ b/sys/isa/isavar.h
@@ -39,15 +39,16 @@ typedef void isa_config_cb(void *arg, struct isa_config *config, int enable);
#ifdef _KERNEL
/*
- * ISA devices are partially ordered to ensure that devices which are
- * sensitive to other driver probe routines are probed first. Plug and
- * Play devices are added after devices with speculative probes so that
- * the legacy hardware can claim resources allowing the Plug and Play
- * hardware to choose different resources.
+ * ISA devices are partially ordered. This is to ensure that hardwired
+ * devices the BIOS tells us are there appear first, then speculative
+ * devices that are sensitive to the probe order, then devices that
+ * are hinted to be there, then the most flexible devices which support
+ * the ISA bus PNP standard.
*/
-#define ISA_ORDER_SENSITIVE 0 /* legacy sensitive hardware */
-#define ISA_ORDER_SPECULATIVE 1 /* legacy non-sensitive hardware */
-#define ISA_ORDER_PNP 2 /* plug-and-play hardware */
+#define ISA_ORDER_PNPBIOS 10 /* plug-and-play BIOS inflexible hardware */
+#define ISA_ORDER_SENSITIVE 20 /* legacy sensitive hardware */
+#define ISA_ORDER_SPECULATIVE 30 /* legacy non-sensitive hardware */
+#define ISA_ORDER_PNP 40 /* plug-and-play hardware */
/*
* Limits on resources that we can manage
diff --git a/sys/sparc64/isa/isa.c b/sys/sparc64/isa/isa.c
index 229af40..b849dfc 100644
--- a/sys/sparc64/isa/isa.c
+++ b/sys/sparc64/isa/isa.c
@@ -217,7 +217,7 @@ isa_setup_children(device_t dev, phandle_t parent)
continue;
}
- if ((cdev = BUS_ADD_CHILD(dev, ISA_ORDER_PNP, NULL, -1)) ==
+ if ((cdev = BUS_ADD_CHILD(dev, ISA_ORDER_PNPBIOS, NULL, -1)) ==
NULL)
panic("isa_setup_children: BUS_ADD_CHILD failed");
isa_set_logicalid(cdev, pnp_map[i].id);
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