Add support for at24 kernel driver, in addition to the legacy eeprom
kernel driver.
---
eeprom/decode-dimms | 47 +++++++++++++++++++++++++++++++++++++----------
1 file changed, 37 insertions(+), 10 deletions(-)
--- i2c-tools.orig/eeprom/decode-dimms 2009-06-09 13:14:35.000000000 +0200
+++ i2c-tools/eeprom/decode-dimms 2010-03-08 09:00:05.000000000 +0100
@@ -1707,24 +1707,51 @@ printh('Memory Serial Presence Detect De
Jean Delvare, Trent Piepho and others');
+# From a sysfs device path and an attribute name, return the attribute
+# value, or undef (stolen from sensors-detect)
+sub sysfs_device_attribute
+{
+ my ($device, $attr) = @_;
+ my $value;
+
+ open(local *FILE, "$device/$attr") or return "";
+ $value = <FILE>;
+ close(FILE);
+ return unless defined $value;
+
+ chomp($value);
+ return $value;
+}
+
sub get_dimm_list
{
- my ($dir, $file, @files);
+ my (@dirs, $dir, $file, @files);
if ($use_sysfs) {
- $dir = '/sys/bus/i2c/drivers/eeprom';
+ @dirs = ('/sys/bus/i2c/drivers/eeprom',
'/sys/bus/i2c/drivers/at24');
} else {
- $dir = '/proc/sys/dev/sensors';
+ @dirs = ('/proc/sys/dev/sensors');
}
- if (opendir(local *DIR, $dir)) {
- while (defined($file = readdir(DIR))) {
- next if $use_sysfs && $file !~ /^\d+-[\da-f]+$/i;
- next if !$use_sysfs && $file !~ /^eeprom-/;
- push @files, { eeprom => "$file",
- file => "$dir/$file" };
+ foreach $dir (@dirs) {
+ if (opendir(local *DIR, $dir)) {
+ while (defined($file = readdir(DIR))) {
+ if ($use_sysfs) {
+ next if $file !~ /^\d+-[\da-f]+$/i;
+ next if ! -d "$dir/$file";
+ my $attr =
sysfs_device_attribute("$dir/$file", "name");
+ next unless defined $attr && ($attr eq
"eeprom" || $attr eq "spd");
+ } else {
+ next if $file !~ /^eeprom-/;
+ }
+ push @files, { eeprom => "$file",
+ file => "$dir/$file" };
+ }
+ close(DIR);
}
- close(DIR);
+ }
+
+ if (@files) {
return sort { $a->{file} cmp $b->{file} } @files;
} elsif (! -d '/sys/module/eeprom') {
print "No EEPROM found, are you sure the eeprom module is
loaded?\n";
--
Jean Delvare
--
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