[PATCH 04/10] irqchip/gic-v3-its: Track per-ITS list number

[Marc Zyngier]

At boot time, we enumerate all the GICv4-capable ITSs, and build
a mask of the available ITSs. Take this opportunity to store
the ITS number in the its_node structure so that we can use it
at a later time.

Signed-off-by: Marc Zyngier <marc.zyng...@arm.com>
---
 drivers/irqchip/irq-gic-v3-its.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index cc7c8f6cb863..24ffb19c559d 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -99,6 +99,7 @@ struct its_node {
        struct its_collection   *collections;
        struct list_head        its_device_list;
        u64                     flags;
+       unsigned long           list_nr;
        u32                     ite_size;
        u32                     device_ids;
        int                     numa_node;
@@ -2996,6 +2997,8 @@ static int __init its_probe_one(struct resource *res,
                        if (err < 0)
                                goto out_free_its;
 
+                       its->list_nr = err;
+
                        pr_info("ITS@%pa: Using ITS number %d\n",
                                &res->start, err);
                } else {
-- 
2.11.0