File i2c-tools-r6152-fix-DDR3-tRAS-decoding.diff of Package i2c-tools

Subject: decode-dimms: Fix DDR3 tRAS decoding
Upstream: yes, r6152

DDR3: Use the right nibble from byte 21 as the MSB of tRAS.
---
 eeprom/decode-dimms |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/eeprom/decode-dimms
+++ b/eeprom/decode-dimms
@@ -1217,7 +1217,7 @@ sub decode_ddr3_sdram($)
 	$taa  = int($bytes->[16] / $bytes->[12]);
 	$trcd = int($bytes->[18] / $bytes->[12]);
 	$trp  = int($bytes->[20] / $bytes->[12]);
-	$tras = int((($bytes->[21] >> 4) * 256 + $bytes->[22]) / $bytes->[12]);
+	$tras = int(((($bytes->[21] & 0x0f) << 8) + $bytes->[22]) / $bytes->[12]);
 
 	printl("tCL-tRCD-tRP-tRAS", join("-", $taa, $trcd, $trp, $tras));