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authorMarc Zyngier <marc.zyngier@arm.com>2017-10-08 18:48:06 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2017-10-19 11:22:41 +0100
commitab60491ee5d346557f152c7e8d3e7238c9b96c5c (patch)
treef15b4d3c8a832e5443108d3e5b3af0c309881ec3 /drivers/irqchip/irq-gic-v3-its.c
parentdebf6d02bb58a099202375ca2ba88e9775b153c6 (diff)
irqchip/gic-v3-its: Make GICv4_ITS_LIST_MAX globally available
As we're about to make use of the maximum number of ITSs in a GICv4 system, let's make this value global (and rename it to GICv4_ITS_LIST_MAX). Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 994f0879e7df..a63b4ee34860 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -156,12 +156,6 @@ static DEFINE_SPINLOCK(its_lock);
static struct rdists *gic_rdists;
static struct irq_domain *its_parent;
-/*
- * We have a maximum number of 16 ITSs in the whole system if we're
- * using the ITSList mechanism
- */
-#define ITS_LIST_MAX 16
-
static unsigned long its_list_map;
static u16 vmovp_seq_num;
static DEFINE_RAW_SPINLOCK(vmovp_lock);
@@ -2988,8 +2982,8 @@ static int __init its_compute_its_list_map(struct resource *res,
* locking. Should this change, we should address
* this.
*/
- its_number = find_first_zero_bit(&its_list_map, ITS_LIST_MAX);
- if (its_number >= ITS_LIST_MAX) {
+ its_number = find_first_zero_bit(&its_list_map, GICv4_ITS_LIST_MAX);
+ if (its_number >= GICv4_ITS_LIST_MAX) {
pr_err("ITS@%pa: No ITSList entry available!\n",
&res->start);
return -EINVAL;