On Thu, Feb 21, 2013 at 10:21:13AM +0100, Hubert Feurstein wrote:
> Signed-off-by: Hubert Feurstein <h.feurstein@xxxxxxxxx>
> ---
> drivers/net/fec_imx.c | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
> index 2378a19..6dfb093 100644
> --- a/drivers/net/fec_imx.c
> +++ b/drivers/net/fec_imx.c
> @@ -425,15 +425,20 @@ static int fec_open(struct eth_device *edev)
> static void fec_halt(struct eth_device *dev)
> {
> struct fec_priv *fec = (struct fec_priv *)dev->priv;
> - int counter = 0xffff;
> + uint64_t tmo;
>
> /* issue graceful stop command to the FEC transmitter if necessary */
> writel(readl(fec->regs + FEC_X_CNTRL) | FEC_ECNTRL_RESET,
> fec->regs + FEC_X_CNTRL);
>
> /* wait for graceful stop to register */
> - while ((counter--) && (!(readl(fec->regs + FEC_IEVENT) & FEC_IEVENT_GRA)))
> - ; /* FIXME ensure time */
> + tmo = get_time_ns();
> + while (!(readl(fec->regs + FEC_IEVENT) & FEC_IEVENT_GRA)) {
> + if (is_timeout(tmo, 1 * SECOND)) {
> + printf("graceful stop timeout\n");
dev_err please.
Sascha
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