diff options
| author | Andy Fleming <afleming@freescale.com> | 2010-04-19 14:54:49 -0500 |
|---|---|---|
| committer | Ben Warren <biggerbadderben@gmail.com> | 2010-05-03 14:52:48 -0700 |
| commit | 538be58568542aac2ed4bdf4c05398cfa67e98f0 (patch) | |
| tree | 4eff30b7ca953f5a330d545fa52b746c2de8ad60 /drivers/net/tsec.c | |
| parent | a45dde2293c816138e53c26eca6fd0322583f9a6 (diff) | |
| download | u-boot-imx-538be58568542aac2ed4bdf4c05398cfa67e98f0.zip u-boot-imx-538be58568542aac2ed4bdf4c05398cfa67e98f0.tar.gz u-boot-imx-538be58568542aac2ed4bdf4c05398cfa67e98f0.tar.bz2 | |
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>
Diffstat (limited to 'drivers/net/tsec.c')
| -rw-r--r-- | 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); |