Author: landonf
Date: Sun Sep 4 01:47:21 2016
New Revision: 305375
URL: https://svnweb.freebsd.org/changeset/base/305375
Log:
bhndb(4): Fix probing of bhndb-attached bhnd_nvram devices.
This fixes bhnd(4) nvram handling on devices that map SPROM CSRs via PCI
configuration space.
The probe method previously required that a bhnd(4) device be attached to the
parent bridge; now that the bhnd_nvram device is always attached first, this
unnecessary sanity check always failed.
Approved by: adrian (mentor, implicit)
Modified:
head/sys/dev/bhnd/bhndb/bhndb_pci_sprom.c
Modified: head/sys/dev/bhnd/bhndb/bhndb_pci_sprom.c
==============================================================================
--- head/sys/dev/bhnd/bhndb/bhndb_pci_sprom.c Sun Sep 4 01:43:54 2016
(r305374)
+++ head/sys/dev/bhnd/bhndb/bhndb_pci_sprom.c Sun Sep 4 01:47:21 2016
(r305375)
@@ -60,17 +60,13 @@ __FBSDID("$FreeBSD$");
static int
bhndb_pci_sprom_probe(device_t dev)
{
- device_t bridge, bus;
+ device_t bridge;
int error;
- /* Our parent must be a PCI-BHND bridge with an attached bhnd bus */
+ /* Our parent must be a PCI-BHND bridge */
bridge = device_get_parent(dev);
if (device_get_driver(bridge) != &bhndb_pci_driver)
return (ENXIO);
-
- bus = device_find_child(bridge, devclass_get_name(bhnd_devclass), 0);
- if (bus == NULL)
- return (ENXIO);
/* Defer to default driver implementation */
if ((error = bhnd_sprom_probe(dev)) > 0)
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