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-rw-r--r--arch/mn10300/kernel/mn10300-serial-low.S9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/mn10300/kernel/mn10300-serial-low.S b/arch/mn10300/kernel/mn10300-serial-low.S
index dfc1b6f2fa9a..b95e76caf4fa 100644
--- a/arch/mn10300/kernel/mn10300-serial-low.S
+++ b/arch/mn10300/kernel/mn10300-serial-low.S
@@ -118,8 +118,8 @@ ENTRY(mn10300_serial_vdma_tx_handler)
movbu d2,(e3) # ACK the interrupt
movhu (e3),d2 # flush
- btst 0x01,(__tx_break,a3) # handle transmit break request
- bne mnsc_vdma_tx_break
+ btst 0xFF,(__tx_flags,a3) # handle transmit flags
+ bne mnsc_vdma_tx_flags
movbu (SCxSTR,e2),d2 # don't try and transmit a char if the
# buffer is not empty
@@ -171,10 +171,13 @@ mnsc_vdma_tx_empty:
bset MNSCx_TX_EMPTY,(__intr_flags,a3)
bra mnsc_vdma_tx_done
-mnsc_vdma_tx_break:
+mnsc_vdma_tx_flags:
+ btst MNSCx_TX_STOP,(__tx_flags,a3)
+ bne mnsc_vdma_tx_stop
movhu (SCxCTR,e2),d2 # turn on break mode
or SC01CTR_BKE,d2
movhu d2,(SCxCTR,e2)
+mnsc_vdma_tx_stop:
mov +(NUM2GxICR_LEVEL(CONFIG_MN10300_SERIAL_IRQ_LEVEL)|GxICR_DETECT),d2
movhu d2,(e3) # disable transmit interrupts on this
# channel
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