Commit-ID: debf6d02bb58a099202375ca2ba88e9775b153c6
Gitweb: https://git.kernel.org/tip/debf6d02bb58a099202375ca2ba88e9775b153c6
Author: Marc Zyngier <marc.zyngier@xxxxxxx>
AuthorDate: Sun, 8 Oct 2017 18:44:42 +0100
Committer: Marc Zyngier <marc.zyngier@xxxxxxx>
CommitDate: Thu, 19 Oct 2017 11:22:40 +0100
irqchip/gic-v3-its: Track per-ITS list number
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.zyngier@xxxxxxx>
---
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 6cc57dc..994f087 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -103,6 +103,7 @@ struct its_node {
u64 (*get_msi_base)(struct its_device *its_dev);
struct list_head its_device_list;
u64 flags;
+ unsigned long list_nr;
u32 ite_size;
u32 device_ids;
int numa_node;
@@ -3064,6 +3065,8 @@ 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 {
--
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