> -----Original Message-----
> From: Marc Zyngier <m...@kernel.org>
> Sent: 16 May 2020 17:50
> To: Anup Patel <anup.pa...@wdc.com>
> Cc: Palmer Dabbelt <pal...@dabbelt.com>; Paul Walmsley
> <paul.walms...@sifive.com>; Thomas Gleixner <t...@linutronix.de>; Jason
> Cooper <ja...@lakedaemon.net>; Atish Patra <atish.pa...@wdc.com>; Alistair
> Francis <alistair.fran...@wdc.com>; Anup Patel <a...@brainfault.org>; linux-
> ri...@lists.infradead.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH 2/4] irqchip/sifive-plic: Improve boot prints for multiple
> PLIC instances
>
> On 2020-05-16 07:38, Anup Patel wrote:
> > We improve PLIC banner to help distinguish multiple PLIC instances in
> > boot time prints.
> >
> > Signed-off-by: Anup Patel <anup.pa...@wdc.com>
> > ---
> > drivers/irqchip/irq-sifive-plic.c | 11 +++++++++--
> > 1 file changed, 9 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/irqchip/irq-sifive-plic.c
> > b/drivers/irqchip/irq-sifive-plic.c
> > index 7dc23edb3267..2d3db927a551 100644
> > --- a/drivers/irqchip/irq-sifive-plic.c
> > +++ b/drivers/irqchip/irq-sifive-plic.c
> > @@ -284,6 +284,11 @@ static int __init plic_init(struct device_node
> > *node,
> > u32 nr_irqs;
> > struct plic_priv *priv;
> > struct plic_handler *handler;
> > + struct resource iores;
> > +
> > + error = of_address_to_resource(node, 0, &iores);
> > + if (error)
> > + return error;
> >
> > priv = kzalloc(sizeof(*priv), GFP_KERNEL);
> > if (!priv)
> > @@ -377,8 +382,10 @@ static int __init plic_init(struct device_node
> > *node,
> > plic_cpuhp_setup_done = true;
> > }
> >
> > - pr_info("mapped %d interrupts with %d handlers for %d contexts.\n",
> > - nr_irqs, nr_handlers, nr_contexts);
> > + pr_info("interrupt-controller at 0x%llx "
> > + "(interrupts=%d, contexts=%d, handlers=%d)\n",
> > + (unsigned long long)iores.start, nr_irqs,
> > + nr_contexts, nr_handlers);
>
> Instead of displaying "interrupt controller at ...", why not use the existing
> printk
> format for OF nodes? Something along the lines of
>
> pr_info("%pOF : mapped %d interrupts with %d handlers for %d contexts\n",
> node, nr_irqs, nr_handlers, nr_contexts);
Sure, I will go with your suggestion and use printk for OF nodes.
Regards,
Anup