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Re: [PATCH 15/26] mt76x0: init: reset beacon offset during bootstrap

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On Sep 27, Felix Fietkau wrote:
> On 2018-09-27 11:01, Lorenzo Bianconi wrote:
> > Add beacon offset reset in mt76x0e_init_hardware routine
> > 
> > Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@xxxxxxxxxx>
> > ---
> >  drivers/net/wireless/mediatek/mt76/mt76x0/init.c | 8 +++++++-
> >  1 file changed, 7 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
> > index 03211fd0db33..6600ee046800 100644
> > --- a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
> > +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
> > @@ -345,7 +345,7 @@ EXPORT_SYMBOL_GPL(mt76x0_mac_stop);
> >  
> >  int mt76x0_init_hardware(struct mt76x0_dev *dev)
> >  {
> > -	int ret;
> > +	int ret, i, j, beacon_len;
> >  
> >  	if (!mt76x02_wait_for_wpdma(&dev->mt76, 1000))
> >  		return -EIO;
> > @@ -385,6 +385,12 @@ int mt76x0_init_hardware(struct mt76x0_dev *dev)
> >  					     MT_BEACON_TIME_CFG_TBTT_EN |
> >  					     MT_BEACON_TIME_CFG_BEACON_TX));
> >  
> > +	beacon_len = mt76x02_beacon_offsets[1] - mt76x02_beacon_offsets[0];
> > +	for (i = 0; i < 8; i++) {
> > +		for (j = 0; j < beacon_len; j += 4)
> > +			mt76_wr(dev, mt76x02_beacon_offsets[i] + j, 0);
> > +
> That looks a bit convoluted. Do we really need to clear beacon memory?
> If we do need it, how about simply clearing the entire scratch space
> instead of looping over beacon offsets?

ack, will do in v2.
Regards,

Lorenzo

> 
> - Felix
> 



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