tsec: Wait for both RX and TX to stop
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@freescale.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
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 @@
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);