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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Fri, 7 Feb 2014 05:08:59 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r261577 - head/sys/dev/msk
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Author: yongari
Date: Fri Feb  7 05:08:59 2014
New Revision: 261577
URL: http://svnweb.freebsd.org/changeset/base/261577

Log:
  Revert r234666.  Clearing TWSI IRQ seems to cause watchdog timeout
  on old Yukon II controllers.
  
  Tested by:	bsam
  MFC after:	2 weeks

Modified:
  head/sys/dev/msk/if_msk.c

Modified: head/sys/dev/msk/if_msk.c
==============================================================================
--- head/sys/dev/msk/if_msk.c	Fri Feb  7 04:35:20 2014	(r261576)
+++ head/sys/dev/msk/if_msk.c	Fri Feb  7 05:08:59 2014	(r261577)
@@ -3750,9 +3750,6 @@ msk_intr(void *xsc)
 	if ((status & Y2_IS_STAT_BMU) != 0 && domore == 0)
 		CSR_WRITE_4(sc, STAT_CTRL, SC_STAT_CLR_IRQ);
 
-	/* Clear TWSI IRQ. */
-	if ((status & Y2_IS_TWSI_RDY) != 0)
-		CSR_WRITE_4(sc, B2_I2C_IRQ, 1);
 	/* Reenable interrupts. */
 	CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);