Commit a244a957 authored by Milton Miller's avatar Milton Miller Committed by Benjamin Herrenschmidt

powerpc/xics: Initialization code cleanups

We only need to check the ibm,interrupt-server#-size property once, not
once per global server and thread.

We can use !CONFIG_SMP cpu masks and hard_smp_processor_id() to avoid an ifdef.
Put the node when breaking out of the loop on lpar systems.
Signed-off-by: default avatarMilton Miller <miltonm@bga.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 188bdddd
......@@ -606,13 +606,13 @@ static void xics_update_irq_servers(void)
if (ireg[j] == hcpuid) {
default_server = hcpuid;
default_distrib_server = ireg[j+1];
}
}
isize = of_get_property(np,
"ibm,interrupt-server#-size", NULL);
/* get the bit size of server numbers */
isize = of_get_property(np, "ibm,interrupt-server#-size", NULL);
if (isize)
interrupt_server_size = *isize;
}
}
of_node_put(np);
}
......@@ -620,7 +620,6 @@ static void xics_update_irq_servers(void)
static void __init xics_map_one_cpu(int hw_id, unsigned long addr,
unsigned long size)
{
#ifdef CONFIG_SMP
int i;
/* This may look gross but it's good enough for now, we don't quite
......@@ -634,11 +633,6 @@ static void __init xics_map_one_cpu(int hw_id, unsigned long addr,
return;
}
}
#else
if (hw_id != 0)
return;
xics_per_cpu[0] = ioremap(addr, size);
#endif /* CONFIG_SMP */
}
static void __init xics_init_one_node(struct device_node *np,
......@@ -700,8 +694,10 @@ void __init xics_init_IRQ(void)
for_each_node_by_type(np, "PowerPC-External-Interrupt-Presentation") {
found = 1;
if (firmware_has_feature(FW_FEATURE_LPAR))
if (firmware_has_feature(FW_FEATURE_LPAR)) {
of_node_put(np);
break;
}
xics_init_one_node(np, &indx);
}
if (found == 0)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment