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

[Ben Warren]

Andy,

On 4/19/2010 12:54 PM, Andy Fleming wrote:
> 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);
>
>    
Applied to net repo.

thanks,
Ben