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SubjectRe: [PATCH 3/3] libertas_tf: get the MAC address before registering the device
On Sun, Feb 10, 2019 at 11:52 AM Lubomir Rintel <lkundrak@v3.sk> wrote:
>
> The start() callback is too late for this: NetworkManager would already
> have seen the hardware, thinking 00:00:00:00:00:00 is its permanent
> address.
>
> Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
> ---
> .../net/wireless/marvell/libertas_tf/main.c | 57 ++++---------------
> 1 file changed, 11 insertions(+), 46 deletions(-)
>
> diff --git a/drivers/net/wireless/marvell/libertas_tf/main.c b/drivers/net/wireless/marvell/libertas_tf/main.c
> index b4bd3047eb4e..da53da71987e 100644
> --- a/drivers/net/wireless/marvell/libertas_tf/main.c
> +++ b/drivers/net/wireless/marvell/libertas_tf/main.c
> @@ -125,37 +125,6 @@ static void lbtf_cmd_work(struct work_struct *work)
> lbtf_deb_leave(LBTF_DEB_CMD);
> }
>
> -/**
> - * lbtf_setup_firmware: initialize firmware.
> - *
> - * @priv A pointer to struct lbtf_private structure
> - *
> - * Returns: 0 on success.
> - */
> -static int lbtf_setup_firmware(struct lbtf_private *priv)
> -{
> - int ret = -1;
> -
> - lbtf_deb_enter(LBTF_DEB_FW);
> - /*
> - * Read priv address from HW
> - */
> - eth_broadcast_addr(priv->current_addr);
> - ret = lbtf_update_hw_spec(priv);
> - if (ret) {
> - ret = -1;
> - goto done;
> - }
> -
> - lbtf_set_mac_control(priv);
> - lbtf_set_radio_control(priv);
> -
> - ret = 0;
> -done:
> - lbtf_deb_leave_args(LBTF_DEB_FW, "ret: %d", ret);
> - return ret;
> -}
> -
> /**
> * This function handles the timeout of command sending.
> * It will re-send the same command again.
> @@ -289,30 +258,17 @@ static void lbtf_tx_work(struct work_struct *work)
> static int lbtf_op_start(struct ieee80211_hw *hw)
> {
> struct lbtf_private *priv = hw->priv;
> - int ret = -1;
>
> lbtf_deb_enter(LBTF_DEB_MACOPS);
>
> - /* poke the firmware */
> priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
> priv->radioon = RADIO_ON;
> priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
> - ret = lbtf_setup_firmware(priv);
> - if (ret)
> - goto err_setup_firmware;
> -
> - if ((priv->fwrelease < LBTF_FW_VER_MIN) ||
> - (priv->fwrelease > LBTF_FW_VER_MAX)) {
> - ret = -1;
> - goto err_setup_firmware;
> - }
> + lbtf_set_mac_control(priv);
> + lbtf_set_radio_control(priv);
>
> lbtf_deb_leave(LBTF_DEB_MACOPS);
> return 0;
> -
> -err_setup_firmware:
> - lbtf_deb_leave_args(LBTF_DEB_MACOPS, "fw setup error; ret=%d", ret);
> - return ret;
> }
>
> static void lbtf_op_stop(struct ieee80211_hw *hw)
> @@ -649,6 +605,15 @@ struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev,
> goto err_init_adapter;
> }
>
> + eth_broadcast_addr(priv->current_addr);
> + if (lbtf_update_hw_spec(priv))
> + goto err_init_adapter;
> +
> + if (priv->fwrelease < LBTF_FW_VER_MIN ||
> + priv->fwrelease > LBTF_FW_VER_MAX) {
> + goto err_init_adapter;
> + }
> +
> /* The firmware seems to start with the radio enabled. Turn it
> * off before an actual mac80211 start callback is invoked.
> */
> --
> 2.20.1
>

Reviewed-by: Steve deRosier <derosier@cal-sierra.com>

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