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-rw-r--r--sys/dev/rp/rp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/dev/rp/rp.c b/sys/dev/rp/rp.c
index 0e7fb2e..809a2a4 100644
--- a/sys/dev/rp/rp.c
+++ b/sys/dev/rp/rp.c
@@ -436,6 +436,7 @@ int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data)
le16enc(DWBuf,ChP->TxPrioBuf); /* data byte address */
DWBuf[2] = Data; /* data byte value */
+ DWBuf[3] = 0; /* priority buffer pointer */
rp_writech4(ChP,_INDX_ADDR,le32dec(DWBuf)); /* write it out */
le16enc(DWBuf,ChP->TxPrioCnt); /* Tx priority count address */
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