[U-Boot] [PATCH] tsec: Wait for both RX and TX to stop

[Andy Fleming]

When gracefully stopping the controller, the driver was continuing if
*either* RX or TX had stopped.  We need to wait for both, or the
controller could get into an invalid state.

Signed-off-by: Andy Fleming <afleming at freescale.com>
---
 drivers/net/tsec.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index fd49eff..3e4c3bd 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -1082,7 +1082,8 @@ static void tsec_halt(struct eth_device *dev)
 	regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
 	regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
 
-	while (!(regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))) ;
+	while ((regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))
+		!= (IEVENT_GRSC | IEVENT_GTSC)) ;
 
 	regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
 
-- 
1.6.5.2.g6ff9a