This fixes the case where either no PHY is attached to a TSEC (e.g. a switch is connected via RMII) or if the PHY is defective/incorrectly configured. Previous behavior was crash.

Signed-off-by: Ben Warren bwarren@qstreams.com --- drivers/tsec.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/tsec.c b/drivers/tsec.c index 770517b..400e593 100644 --- a/drivers/tsec.c +++ b/drivers/tsec.c @@ -313,7 +313,8 @@ static int init_phy(struct eth_device *d * PHY */ curphy = get_phy_info(dev);

- if (NULL == curphy) { + if (curphy == NULL) { + priv->phyinfo = NULL; printf("%s: No PHY found\n", dev->name);

return 0; @@ -661,7 +662,8 @@ static void startup_tsec(struct eth_devi rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP;

/* Start up the PHY */ - phy_run_commands(priv, priv->phyinfo->startup); + if(priv->phyinfo) + phy_run_commands(priv, priv->phyinfo->startup); adjust_link(dev);

/* Enable Transmit and Receive */ @@ -765,7 +767,8 @@ static void tsec_halt(struct eth_device regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);

/* Shut down the PHY, as needed */ - phy_run_commands(priv, priv->phyinfo->shutdown); + if(priv->phyinfo) + phy_run_commands(priv, priv->phyinfo->shutdown); }

struct phy_info phy_info_M88E1011S = {