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[PATCH] ppc32 CPM_UART: Fixed break send on SCC

Browse source 
SCC uart sends a break sequence each time it is stopped with the
CPM_CR_STOP_TX command. That means that each time an application closes the
serial device, a break is transmitted. To fix this, graceful tx stop is
issued for SCC.

Signed-off-by: David Jander <[email protected]>
Signed-off-by: Vitaly Bordug <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>
This commit is contained in:
Vitaly Bordug 2006-04-29 22:32:44 +04:00 • committed by Paul Mackerras
commit 61f5657c50
3 changed files with 7 additions and 2 deletions
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1
include/asm-ppc/commproc.h
View file

@ -35,6 +35,7 @@
#define CPM_CR_INIT_TX ((ushort)0x0002)
#define CPM_CR_HUNT_MODE ((ushort)0x0003)
#define CPM_CR_STOP_TX ((ushort)0x0004)
#define CPM_CR_GRA_STOP_TX ((ushort)0x0005)
#define CPM_CR_RESTART_TX ((ushort)0x0006)
#define CPM_CR_CLOSE_RX_BD ((ushort)0x0007)
#define CPM_CR_SET_GADDR ((ushort)0x0008)

2
include/asm-ppc/cpm2.h
View file

@ -69,7 +69,7 @@
#define CPM_CR_INIT_TX ((ushort)0x0002)
#define CPM_CR_HUNT_MODE ((ushort)0x0003)
#define CPM_CR_STOP_TX ((ushort)0x0004)
#define CPM_CR_GRA_STOP_TX ((ushort)0x0005)
#define CPM_CR_GRA_STOP_TX ((ushort)0x0005)
#define CPM_CR_RESTART_TX ((ushort)0x0006)
#define CPM_CR_SET_GADDR ((ushort)0x0008)
#define CPM_CR_START_IDMA ((ushort)0x0009)