[Xen-devel] [PATCH v4 13/17] xen/arm: ITS: Initialize physical ITS

[vijay.kilari@xxxxxxxxx]

From: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxxxxxxxxxx>

Initialize physical ITS driver from GIC v3 driver
if LPIs are supported by hardware

Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxxxxxxxxxx>
---
 xen/arch/arm/gic-v3.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/xen/arch/arm/gic-v3.c b/xen/arch/arm/gic-v3.c
index 53554e6..f4881d7 100644
--- a/xen/arch/arm/gic-v3.c
+++ b/xen/arch/arm/gic-v3.c
@@ -694,6 +694,10 @@ static int __cpuinit gicv3_cpu_init(void)
     if ( gicv3_enable_redist() )
         return -ENODEV;
 
+        /* Give LPIs a spin */
+    if ( gicv3_info.lpi_supported )
+        its_cpu_init();
+
     /* Set priority on PPI and SGI interrupts */
     priority = (GIC_PRI_IPI << 24 | GIC_PRI_IPI << 16 | GIC_PRI_IPI << 8 |
                 GIC_PRI_IPI);
@@ -1312,6 +1316,9 @@ static int __init gicv3_init(void)
     else
         gicv3_info.lpi_supported = 0;
 
+    if ( gicv3_info.lpi_supported )
+        its_init(&gicv3.rdist_data);
+
     gicv3_dist_init();
     res = gicv3_cpu_init();
     gicv3_hyp_init();
-- 
1.7.9.5


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