RE: [PATCH 5/6] can: flexcan: add CAN wakeup function for i.MX8QM

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Hi Marc,

[...]
> > > +static int flexcan_stop_mode_enable_scfw(struct flexcan_priv *priv,
> > > +bool enabled) {
> > > +	u8 idx = priv->can_idx;
> > > +	u32 rsrc_id, val;
> > > +
> > > +	if (idx == 0)
> > > +		rsrc_id = IMX_SC_R_CAN_0;
> > > +	else if (idx == 1)
> > > +		rsrc_id = IMX_SC_R_CAN_1;
> > > +	else
> > > +		rsrc_id = IMX_SC_R_CAN_2;
> >
> > Can you introduce something like and make use of it:
> >
> > #define IMX_SC_R_CAN(x)			(105 + (x))
> OK.

I thought it over again, from my point of view, use macro here directly could be more intuitive, and can achieve a direct jump.
If change to above wrapper, on the contrary make confusion, and generate the magic number 105. ☹

> > > +
> > > +	if (enabled)
> > > +		val = 1;
> > > +	else
> > > +		val = 0;
> > > +
> > > +	/* stop mode request via scu firmware */
> > > +	return imx_sc_misc_set_control(priv->sc_ipc_handle, rsrc_id,
> > > +IMX_SC_C_IPG_STOP, val); }

We still need use IMX_SC_C_IPG_STOP, why not be consistent?

Best Regards,
Joakim Zhang




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