svn commit: r236082 - stable/9/sys/arm/at91

[Marius Strobl]

Author: marius
Date: Sat May 26 09:08:30 2012
New Revision: 236082
URL: http://svn.freebsd.org/changeset/base/236082

Log:
  MFC: r234293
  
  Generate an obviously missing STOP when having finished transmitting data.
  This fixes communication with PCF8563.

Modified:
  stable/9/sys/arm/at91/at91_twi.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/amd64/include/xen/   (props changed)
  stable/9/sys/boot/   (props changed)
  stable/9/sys/boot/i386/efi/   (props changed)
  stable/9/sys/boot/ia64/efi/   (props changed)
  stable/9/sys/boot/ia64/ski/   (props changed)
  stable/9/sys/boot/powerpc/boot1.chrp/   (props changed)
  stable/9/sys/boot/powerpc/ofw/   (props changed)
  stable/9/sys/cddl/contrib/opensolaris/   (props changed)
  stable/9/sys/conf/   (props changed)
  stable/9/sys/contrib/dev/acpica/   (props changed)
  stable/9/sys/contrib/octeon-sdk/   (props changed)
  stable/9/sys/contrib/pf/   (props changed)
  stable/9/sys/contrib/x86emu/   (props changed)
  stable/9/sys/dev/   (props changed)
  stable/9/sys/dev/e1000/   (props changed)
  stable/9/sys/dev/ixgbe/   (props changed)
  stable/9/sys/fs/   (props changed)
  stable/9/sys/fs/ntfs/   (props changed)
  stable/9/sys/modules/   (props changed)

Modified: stable/9/sys/arm/at91/at91_twi.c
==============================================================================
--- stable/9/sys/arm/at91/at91_twi.c	Sat May 26 09:05:45 2012	(r236081)
+++ stable/9/sys/arm/at91/at91_twi.c	Sat May 26 09:08:30 2012	(r236082)
@@ -364,6 +364,7 @@ at91_twi_transfer(device_t dev, struct i
 					goto out;
 				WR4(sc, TWI_THR, *buf++);
 			}
+			WR4(sc, TWI_CR, TWI_CR_STOP);
 		}
 		if ((err = at91_twi_wait(sc, TWI_SR_TXCOMP)))
 			break;