On Fri, Mar 02, 2012 at 07:20:10PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > This will ensure that we send an other packet only when the first one is send. > > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> > --- > drivers/net/macb.c | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) > > diff --git a/drivers/net/macb.c b/drivers/net/macb.c > index 9b54afa..3835dba 100644 > --- a/drivers/net/macb.c > +++ b/drivers/net/macb.c > @@ -121,6 +121,11 @@ static int macb_send(struct eth_device *edev, void *packet, > barrier(); > writel(MACB_BIT(TE) | MACB_BIT(RE) | MACB_BIT(TSTART), macb->regs + MACB_NCR); > > + wait_on_timeout(100 * MSECOND, > + !(macb->tx_ring[0].ctrl & TXBUF_USED)); If you care for adding a timeout loop then you should also check the return value. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
