Add an option to skip ISA probes except IPMI. The idea is that only

old systems have ISA hardware monitoring chips, while IPMI can be
present on recent systems. Additionally, IPMI probing is read-only,
so it's safer than other ISA probes.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/branches/lm-sensors-3.0.0@5502 7894878c-1315-0410-8ee3-d5d059ff63e0

CHANGES

@@ -34,6 +34,7 @@ SVN-HEAD
                   Drop alias detection for Super-I/O chips
                   Move alias detection after all chip detections
                   Probe chip types from safest to more risky (#2322)
+                  Add an option to skip ISA probes except IPMI
 
 3.0.3 (2008-09-28)
   libsensors: Avoid namespace pollution

prog/detect/sensors-detect

@@ -2777,11 +2777,13 @@ sub scan_i2c_adapter
 
 sub scan_isa_bus
 {
+	my $ipmi_only = shift;
 	my ($chip, $addr, $conf);
 
 	$| = 1;
 	foreach $chip (@chip_ids) {
 		next if not exists $chip->{isa_addrs} or not exists $chip->{isa_detect};
+		next if $ipmi_only && $chip->{name} !~ m/\bIPMI\b/;
 		foreach $addr (@{$chip->{isa_addrs}}) {
 			printf("\%-60s", sprintf("Probing for `\%s'\ at 0x\%x... ",
 						 $chip->{name}, $addr));
@@ -4867,6 +4869,8 @@ sub generate_modprobes
 
 sub main
 {
+	my ($input);
+
 	# We won't go very far if not root
 	unless ($> == 0) {
 		print "You need to be root to run this script.\n";
@@ -4922,10 +4926,11 @@ sub main
 		print "Some hardware monitoring chips are accessible through the ISA I/O ports.\n".
 		      "We have to write to arbitrary I/O ports to probe them. This is usually\n".
 		      "safe though. Yes, you do have ISA I/O ports even if you do not have any\n".
-		      "ISA slots! Do you want to scan the ISA I/O ports? (YES/no): ";
-		unless (<STDIN> =~ /^\s*n/i) {
+		      "ISA slots! Do you want to scan the ISA I/O ports? (YES/no/ipmi only): ";
+		$input = <STDIN>;
+		unless ($input =~ /^\s*n/i) {
 			initialize_ioports();
-			scan_isa_bus();
+			scan_isa_bus($input =~ /^\s*i/i);
 			close_ioports();
 		}
 		print "\n";