Re: ath9k_htc vs. powerpc (was Re: working usb wifi card, that isstill possible to buy)

From: Pavel Machek
Date: Mon Nov 29 2010 - 07:57:00 EST


Hi!

> > ...so I indentified two endianness problems in eeprom, but even with
> > both fixed, it still will not associate. Is there some way to dump USB
> > packets, then compare them between PC and PowerPC versions? Should I
> > expect them to match?
>
> Does this patch help ?

Actually I wonder...

> diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> index e9761c2..1b435d4 100644
> --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
> @@ -204,7 +204,7 @@ static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
> ista = (struct ath9k_htc_sta *) sta->drv_priv;
> memcpy(&tsta.macaddr, sta->addr, ETH_ALEN);
> memcpy(&tsta.bssid, common->curbssid, ETH_ALEN);
> - tsta.associd = common->curaid;
> + tsta.associd = cpu_to_be16(common->curaid);
> tsta.is_vif_sta = 0;
> tsta.valid = true;
> ista->index = priv->nstations;

We know the code currently works on PC; but this adds conversions that
are nop on PowerPC and do something on PC... so they should have no
effect on PowerPC and could break PC...?
Pavel
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