File i2c-tools-r6154-round-down-PC3-numbers.diff of Package i2c-tools

Subject: decode-dimms: Round down PC3 numbers to comply with Jedec
Upstream: yes, r6154

DDR3: Round down PC3 numbers to comply with Jedec.
---
 eeprom/decode-dimms |    2 ++
 1 file changed, 2 insertions(+)

--- a/eeprom/decode-dimms
+++ b/eeprom/decode-dimms
@@ -1188,6 +1188,8 @@ sub decode_ddr3_sdram($)
 	my $ddrclk = 2 * (1000 / $ctime);
 	my $tbits = 1 << (($bytes->[8] & 7) + 3);
 	my $pcclk = int ($ddrclk * $tbits / 8);
+	# Round down to comply with Jedec
+	$pcclk = $pcclk - ($pcclk % 100);
 	$ddrclk = int ($ddrclk);
 	printl("Maximum module speed", "$ddrclk MHz (PC3-${pcclk})");