Define macros for GITS_CTLR fields to avoid using magic numbers.
Acked-by: Marc Zyngier <marc.zyng...@arm.com>
Signed-off-by: Yun Wu <wuyun...@huawei.com>
---
drivers/irqchip/irq-gic-v3-its.c | 2 +-
include/linux/irqchip/arm-gic-v3.h | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index e8bda0b..d13c24e 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1388,7 +1388,7 @@ static int its_probe(struct device_node *node, struct
irq_domain *parent)
writeq_relaxed(baser, its->base + GITS_CBASER);
tmp = readq_relaxed(its->base + GITS_CBASER);
writeq_relaxed(0, its->base + GITS_CWRITER);
- writel_relaxed(1, its->base + GITS_CTLR);
+ writel_relaxed(GITS_CTLR_ENABLE, its->base + GITS_CTLR);
if ((tmp ^ baser) & GITS_BASER_SHAREABILITY_MASK) {
pr_info("ITS: using cache flushing for cmd queue\n");
diff --git a/include/linux/irqchip/arm-gic-v3.h
b/include/linux/irqchip/arm-gic-v3.h
index 3459b43..c9d3002 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -134,6 +134,9 @@
#define GITS_TRANSLATER 0x10040
+#define GITS_CTLR_ENABLE (1U << 0)
+#define GITS_CTLR_QUIESCENT (1U << 31)
+
#define GITS_TYPER_DEVBITS_SHIFT 13
#define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) &
0x1f) + 1)
#define GITS_TYPER_PTA (1UL << 19)
--
1.8.0
--
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