Author: np
Date: Wed Feb 8 03:02:12 2012
New Revision: 231175
URL: http://svn.freebsd.org/changeset/base/231175
Log:
Allocate the BAR for userspace doorbells after the is_offload check
is functional.
MFC after: 3 days
Modified:
head/sys/dev/cxgb/cxgb_main.c
Modified: head/sys/dev/cxgb/cxgb_main.c
==============================================================================
--- head/sys/dev/cxgb/cxgb_main.c Wed Feb 8 02:15:59 2012
(r231174)
+++ head/sys/dev/cxgb/cxgb_main.c Wed Feb 8 03:02:12 2012
(r231175)
@@ -473,15 +473,6 @@ cxgb_controller_attach(device_t dev)
device_printf(dev, "Cannot allocate BAR region 0\n");
return (ENXIO);
}
- sc->udbs_rid = PCIR_BAR(2);
- sc->udbs_res = NULL;
- if (is_offload(sc) &&
- ((sc->udbs_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
- &sc->udbs_rid, RF_ACTIVE)) == NULL)) {
- device_printf(dev, "Cannot allocate BAR region 1\n");
- error = ENXIO;
- goto out;
- }
snprintf(sc->lockbuf, ADAPTER_LOCK_NAME_LEN, "cxgb controller lock %d",
device_get_unit(dev));
@@ -510,6 +501,17 @@ cxgb_controller_attach(device_t dev)
error = ENODEV;
goto out;
}
+
+ sc->udbs_rid = PCIR_BAR(2);
+ sc->udbs_res = NULL;
+ if (is_offload(sc) &&
+ ((sc->udbs_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
+ &sc->udbs_rid, RF_ACTIVE)) == NULL)) {
+ device_printf(dev, "Cannot allocate BAR region 1\n");
+ error = ENXIO;
+ goto out;
+ }
+
/* Allocate the BAR for doing MSI-X. If it succeeds, try to allocate
* enough messages for the queue sets. If that fails, try falling
* back to MSI. If that fails, then try falling back to the legacy
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