Re: [Xen-devel] [PATCH v4 21/24] arm/v2m: initialize arch_timers even if v2m_timer is not present

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Fri, 14 Sep 2012, Stefano Stabellini wrote:
> On Fri, 14 Sep 2012, Pawel Moll wrote:
> > On Fri, 2012-09-14 at 12:13 +0100, Stefano Stabellini wrote:
> > > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > > CC: Russell King <linux@xxxxxxxxxxxxxxxx>
> > > CC: Pawel Moll <pawel.moll@xxxxxxx>
> > > CC: Marc Zyngier <marc.zyngier@xxxxxxx>
> > > ---
> > >  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 37608f2..4e567f7 100644
> > > --- a/arch/arm/mach-vexpress/v2m.c
> > > +++ b/arch/arm/mach-vexpress/v2m.c
> > > @@ -621,16 +621,17 @@ static void __init v2m_dt_timer_init(void)
> > >  
> > >   v2m_clk_init();
> > >  
> > > - 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 = {
> > 
> > Fair point. The alias is going to disappear anyway (I'm working on a VE
> > platform rework right now), but in case I won't get it on time for 3.7,
> > I'll make sure this one is merged instead.
> 
> Great, thanks!
> Should I leave this patch out of the Xen on ARM series for 3.7 then?
> 

I have just noticed that this patch hasn't been merged yet, but still we
need it to boot Linux on Xen.
Do you want me to rebase and resent?

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