[PATCH 1/2] powerpc/85xx: Don't reset the MPIC for CAMP mode on MPC8572DS
Kumar Gala
galak at kernel.crashing.org
Fri Nov 14 00:46:12 EST 2008
From: Haiying Wang <Haiying.Wang at freescale.com>
The flag MPIC_WANTS_RESET shouldn't be set if reading the new cpu compatible
"fsl,MPC8572DS-CAMP" returns 1.
Signed-off-by: Haiying Wang <Haiying.Wang at freescale.com>
Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---
arch/powerpc/platforms/85xx/mpc85xx_ds.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index a03c839..7326d90 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -63,6 +63,7 @@ void __init mpc85xx_ds_pic_init(void)
struct device_node *cascade_node = NULL;
int cascade_irq;
#endif
+ unsigned long root = of_get_flat_dt_root();
np = of_find_node_by_type(NULL, "open-pic");
if (np == NULL) {
@@ -76,11 +77,19 @@ void __init mpc85xx_ds_pic_init(void)
return;
}
- mpic = mpic_alloc(np, r.start,
+ if (of_flat_dt_is_compatible(root, "fsl,MPC8572DS-CAMP")) {
+ mpic = mpic_alloc(np, r.start,
+ MPIC_PRIMARY |
+ MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
+ 0, 256, " OpenPIC ");
+ } else {
+ mpic = mpic_alloc(np, r.start,
MPIC_PRIMARY | MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
+ }
+
BUG_ON(mpic == NULL);
of_node_put(np);
--
1.5.6.5
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