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powerpc/pseries/mobility: Add pr_debug() for device tree changes

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When investigating issues with partition migration or resource
reassignments it is helpful to have a log of which nodes and
properties in the device tree have changed. Use pr_debug() so it's
easy to enable these at runtime with the dynamic debug facility.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190627053044.9238-3-nathanl@linux.ibm.com
This commit is contained in:
Nathan Lynch 2019-06-27 00:30:44 -05:00 committed by Michael Ellerman
parent 494a66f34e
commit 5d8b1f9dea
1 changed files with 5 additions and 0 deletions
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5
arch/powerpc/platforms/pseries/mobility.c
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@ -67,6 +67,8 @@ static int delete_dt_node(__be32 phandle)
if (!dn)
return -ENOENT;
pr_debug("removing node %pOFfp\n", dn);
dlpar_detach_node(dn);
of_node_put(dn);
return 0;
@ -125,6 +127,7 @@ static int update_dt_property(struct device_node *dn, struct property **prop,
}
if (!more) {
pr_debug("updating node %pOF property %s\n", dn, name);
of_update_property(dn, new_prop);
*prop = NULL;
}
@ -243,6 +246,8 @@ static int add_dt_node(__be32 parent_phandle, __be32 drc_index)
if (rc)
dlpar_free_cc_nodes(dn);
pr_debug("added node %pOFfp\n", dn);
of_node_put(parent_dn);
return rc;
}