Re: pull request: mt76 2018-11-30

[Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>]

> Felix Fietkau <nbd@nbd.name> writes:
>
> > here's my first pull request for 4.21
> >
> > - Felix
> >
> > The following changes since commit b72c51a58e6d63ef673ac96b8ab5bc98799c5f7b:
> >
> >   brcmfmac: Fix out of bounds memory access during fw load (2018-11-29 17:33:10 +0200)
> >
> > are available in the Git repository at:
> >
> >   https://github.com/nbd168/wireless tags/mt76-for-kvalo-2018-11-30
> >
> > for you to fetch changes up to e28487ea84a9c081c6d8d7da319427f7fcc32ff5:
> >
> >   mt76: replace sta_add/remove ops with common sta_state function (2018-11-30 12:30:37 +0100)
> >
> > ----------------------------------------------------------------
> > first batch of mt76 patches for 4.21
> >
> > * use the same firmware for mt76x2e and mt76x2u
> > * mt76x2 fixes
> > * mt76x0 fixes
> > * mt76x0e survey support
> > * more unification between mt76x2 and mt76x0
> > * mt76x0e AP mode support
> > * mt76x0e DFS support
> > * rework and fix tx status handling for mt76x0 and mt76x2
> >
> > ----------------------------------------------------------------
>
> I fast forwarded w-d-next to net-next and now there's a conflict. I did
> a test merge in the pending branch, please double check:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git/commit/?h=pending&id=e69caab09bf98d0d8b559d06887364cc0090097c
>

ack

> This was the conflict:
>
> diff --cc drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
> index 3f001bd6806c,b54a32397486..000000000000
> --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
> @@@ -264,21 -173,6 +173,24 @@@ static int mt76x2_get_antenna(struct ie
>         return 0;
>   }
>
> ++<<<<<<< HEAD
>  +static int
>  +mt76x2_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
>  +{
>  +      struct mt76x02_dev *dev = hw->priv;
>  +
>  +      if (val != ~0 && val > 0xffff)
>  +              return -EINVAL;
>  +
>  +      mutex_lock(&dev->mt76.mutex);
>  +      mt76x2_mac_set_tx_protection(dev, val);
>  +      mutex_unlock(&dev->mt76.mutex);
>  +
>  +      return 0;
>  +}
>  +
> ++=======
> ++>>>>>>> 1b0adb0ab8649a1ed44f9840724878cffaaa6896
>   const struct ieee80211_ops mt76x2_ops = {
>         .tx = mt76x02_tx,
>         .start = mt76x2_start,
>
> I solved it by removing mt76x2_set_rts_threshold(). After there was also
> a compilation error which I fixed like this:

correct, mt76x2_set_rts_threshold has been moved to mt76x02_util.c

>
> diff --cc drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
> index 3f001bd6806c,b54a32397486..000000000000
> --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
> diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
> index 3a70e5bf7d42..38bd466cff16 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
> @@ -462,9 +462,9 @@ int mt76x02_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
>         if (val != ~0 && val > 0xffff)
>                 return -EINVAL;
>
> -       mutex_lock(&dev->mutex);
> +       mutex_lock(&dev->mt76.mutex);
>         mt76x02_mac_set_tx_protection(dev, val);
> -       mutex_unlock(&dev->mutex);
> +       mutex_unlock(&dev->mt76.mutex);
>
>         return 0;
>  }

correct

Regards,
Lorenzo

>
> --
> Kalle Valo

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