Re: [PATCH v3 5/6] can: c_can: prepare to up the message objects number

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On 01.03.2021 18:21:42, Dario Binacchi wrote:
> > > @@ -730,7 +728,7 @@ static void c_can_do_tx(struct net_device *dev)
> > >  	while ((idx = ffs(pend))) {
> > >  		idx--;
> > >  		pend &= ~(1 << idx);
> > > -		obj = idx + C_CAN_MSG_OBJ_TX_FIRST;
> > > +		obj = idx + priv->msg_obj_tx_first;
> > >  		c_can_inval_tx_object(dev, IF_TX, obj);
> > >  		can_get_echo_skb(dev, idx, NULL);
> > >  		bytes += priv->dlc[idx];
> > > @@ -740,7 +738,7 @@ static void c_can_do_tx(struct net_device *dev)
> > >  	/* Clear the bits in the tx_active mask */
> > >  	atomic_sub(clr, &priv->tx_active);
> > >  
> > > -	if (clr & (1 << (C_CAN_MSG_OBJ_TX_NUM - 1)))
> > > +	if (clr & (1 << (priv->msg_obj_tx_num - 1)))
> > 
> > Do we need 1UL here, too?
> 
> Do you agree if I use the BIT macro ?

No, please use GENMASK(priv->msg_obj_tx_num, 0) here.

regrads,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |

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