diff --git a/[refs] b/[refs]
index 64d8389715d1..7ea67bd71f33 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 30a564be9d9554c168a654eddc2165869cc0d7bf
+refs/heads/master: fec84e330719c20d2146c8dbdc9ff50b3a1d7039
diff --git a/trunk/arch/x86/kernel/quirks.c b/trunk/arch/x86/kernel/quirks.c
index cd2c336c8d09..e72d3fc6547d 100644
--- a/trunk/arch/x86/kernel/quirks.c
+++ b/trunk/arch/x86/kernel/quirks.c
@@ -495,6 +495,9 @@ void force_hpet_resume(void)
 /*
  * HPET MSI on some boards (ATI SB700/SB800) has side effect on
  * floppy DMA. Disable HPET MSI on such platforms.
+ * See erratum #27 (Misinterpreted MSI Requests May Result in
+ * Corrupted LPC DMA Data) in AMD Publication #46837,
+ * "SB700 Family Product Errata", Rev. 1.0, March 2010.
  *
  * Also force the read back of the CMP register in hpet_next_event()
  * to work around the problem that the CMP register write seems to be