svn commit: r253612 - head/sys/dev/iwn

[Adrian Chadd]

Author: adrian
Date: Wed Jul 24 13:31:31 2013
New Revision: 253612
URL: http://svnweb.freebsd.org/changeset/base/253612

Log:
  Support setting up the iwn debug flags during probe/attach by
  checking "hint.iwn.X.debug".
  
  Submitted by:	Cedric GROSS <cg at cgross.info>

Modified:
  head/sys/dev/iwn/if_iwn.c

Modified: head/sys/dev/iwn/if_iwn.c
==============================================================================
--- head/sys/dev/iwn/if_iwn.c	Wed Jul 24 13:20:45 2013	(r253611)
+++ head/sys/dev/iwn/if_iwn.c	Wed Jul 24 13:31:31 2013	(r253612)
@@ -447,6 +447,15 @@ iwn_attach(device_t dev)
 
 	sc->sc_dev = dev;
 
+#ifdef	IWN_DEBUG
+	error = resource_int_value(device_get_name(sc->sc_dev),
+	    device_get_unit(sc->sc_dev), "debug", &(sc->sc_debug));
+	if (error != 0)
+		sc->sc_debug = 0;
+#else
+	sc->sc_debug = 0;
+#endif
+
 	/*
 	 * Get the offset of the PCI Express Capability Structure in PCI
 	 * Configuration Space.
@@ -846,13 +855,13 @@ iwn_radiotap_attach(struct iwn_softc *sc
 static void
 iwn_sysctlattach(struct iwn_softc *sc)
 {
+#ifdef	IWN_DEBUG
 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
 
-#ifdef IWN_DEBUG
-	sc->sc_debug = 0;
 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
-	    "debug", CTLFLAG_RW, &sc->sc_debug, 0, "control debugging printfs");
+	    "debug", CTLFLAG_RW, &sc->sc_debug, sc->sc_debug,
+		"control debugging printfs");
 #endif
 }