linux-kernel - Re: [PATCH 21/24] arm/v2m: initialize arch_timers even if v2m

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Date:	Wed, 1 Aug 2012 17:06:42 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	Ian Campbell <Ian.Campbell@...rix.com>,
	"Tim (Xen.org)" <tim@....org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linaro-dev@...ts.linaro.org" <linaro-dev@...ts.linaro.org>,
	"catalin.marinas@....com" <catalin.marinas@....com>,
	"arnd@...db.de" <arnd@...db.de>
Subject: Re: [PATCH 21/24] arm/v2m: initialize arch_timers even if v2m_timer
 is not present

On Wed, 1 Aug 2012, Konrad Rzeszutek Wilk wrote:
> On Thu, Jul 26, 2012 at 04:34:03PM +0100, Stefano Stabellini wrote:
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
> 
> Should the maintainer of the v2m be CC-ed here?
> This looks like a bug-fix of itself?

I think so. I'll CC Russell King next time.

> > ---
> >  arch/arm/mach-vexpress/v2m.c |   11 ++++++-----
> >  1 files changed, 6 insertions(+), 5 deletions(-)
> > 
> > diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
> > index fde26ad..dee1451 100644
> > --- a/arch/arm/mach-vexpress/v2m.c
> > +++ b/arch/arm/mach-vexpress/v2m.c
> > @@ -637,16 +637,17 @@ static void __init v2m_dt_timer_init(void)
> >  	node = of_find_compatible_node(NULL, NULL, "arm,sp810");
> >  	v2m_sysctl_init(of_iomap(node, 0));
> >  
> > -	err = of_property_read_string(of_aliases, "arm,v2m_timer", &path);
> > -	if (WARN_ON(err))
> > -		return;
> > -	node = of_find_node_by_path(path);
> > -	v2m_sp804_init(of_iomap(node, 0), irq_of_parse_and_map(node, 0));
> >  	if (arch_timer_of_register() != 0)
> >  		twd_local_timer_of_register();
> >  
> >  	if (arch_timer_sched_clock_init() != 0)
> >  		versatile_sched_clock_init(v2m_sysreg_base + V2M_SYS_24MHZ, 24000000);
> > +
> > +	err = of_property_read_string(of_aliases, "arm,v2m_timer", &path);
> > +	if (WARN_ON(err))
> > +		return;
> > +	node = of_find_node_by_path(path);
> > +	v2m_sp804_init(of_iomap(node, 0), irq_of_parse_and_map(node, 0));
> >  }
> >  
> >  static struct sys_timer v2m_dt_timer = {
> > -- 
> > 1.7.2.5
> 
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