linux-kernel - Re: [PATCH 2/2] cxl/mbox: Wire up basic irq support

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Date:   Mon, 17 Oct 2022 11:08:56 +0100
From:   Jonathan Cameron <Jonathan.Cameron@...wei.com>
To:     Ira Weiny <ira.weiny@...el.com>
CC:     Davidlohr Bueso <dave@...olabs.net>, <dan.j.williams@...el.com>,
        <dave.jiang@...el.com>, <alison.schofield@...el.com>,
        <vishal.l.verma@...el.com>, <bwidawsk@...nel.org>,
        <a.manzanares@...sung.com>, <linux-kernel@...r.kernel.org>,
        <linux-cxl@...r.kernel.org>
Subject: Re: [PATCH 2/2] cxl/mbox: Wire up basic irq support

On Sun, 16 Oct 2022 15:06:23 -0700
Ira Weiny <ira.weiny@...el.com> wrote:

> On Fri, Oct 14, 2022 at 12:49:30PM -0700, Davidlohr Bueso wrote:
> > This adds support for mailbox interrupts, which are needed, for
> > example, for background completion handling.
> > 
> > Signed-off-by: Davidlohr Bueso <dave@...olabs.net>
> > ---
...

> > +				     IRQF_SHARED, "mailbox", cxlds))
> > +			dev_dbg(dev, "Mailbox irq (%d) supported", irq);
> > +	}
> > +
> >  	return 0;
> >  }
> >  
> > @@ -441,7 +464,9 @@ struct cxl_irq_cap {
> >  	int (*get_max_msgnum)(struct cxl_dev_state *cxlds);
> >  };
> >  
> > -static const struct cxl_irq_cap cxl_irq_cap_table[] = { NULL };
> > +static const struct cxl_irq_cap cxl_irq_cap_table[] = {

Trivial patch mangling point but better to have the NULL on separate line
in previous patch to reduce the diff here.

> > +	{ "mailbox", cxl_pci_mbox_get_max_msgnum }

trailing comma needed as we definitely expect to add more entries!

> > +};
> >  
> >  static void cxl_pci_free_irq_vectors(void *data)
> >  {
> > -- 
> > 2.37.3
> >