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 <[email protected]> --- 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 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
