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path: root/drivers/irqchip/irq-gic-v3-its.c
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Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 549e71670f23..82622afc916b 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -37,6 +37,8 @@
#include <asm/cputype.h>
#include <asm/exception.h>
+#include "irq-gic-common.h"
+
#define ITS_FLAGS_CMDQ_NEEDS_FLUSHING (1 << 0)
#define RDIST_FLAGS_PROPBASE_NEEDS_FLUSHING (1 << 0)
@@ -1375,6 +1377,18 @@ static int its_force_quiescent(void __iomem *base)
}
}
+static const struct gic_quirk its_quirks[] = {
+ {
+ }
+};
+
+static void its_enable_quirks(struct its_node *its)
+{
+ u32 iidr = readl_relaxed(its->base + GITS_IIDR);
+
+ gic_enable_quirks(iidr, its_quirks, its);
+}
+
static int its_probe(struct device_node *node, struct irq_domain *parent)
{
struct resource res;
@@ -1433,6 +1447,8 @@ static int its_probe(struct device_node *node, struct irq_domain *parent)
}
its->cmd_write = its->cmd_base;
+ its_enable_quirks(its);
+
err = its_alloc_tables(node->full_name, its);
if (err)
goto out_free_cmd;