[PATCH -next] irqchip/ti-sci-inta: Fix unsigned comparison to zero

[YueHaibing]

ti_sci_inta_xlate_irq() return -ENOENT on fail, p_hwirq
should be int type.

Fixes: 5c4b585d2910 ("irqchip/ti-sci-inta: Add support for INTA directly connecting to GIC")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/irqchip/irq-ti-sci-inta.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-ti-sci-inta.c b/drivers/irqchip/irq-ti-sci-inta.c
index d4e97605456b..05bf94b87b93 100644
--- a/drivers/irqchip/irq-ti-sci-inta.c
+++ b/drivers/irqchip/irq-ti-sci-inta.c
@@ -175,8 +175,8 @@ static struct ti_sci_inta_vint_desc *ti_sci_inta_alloc_parent_irq(struct irq_dom
 	struct irq_fwspec parent_fwspec;
 	struct device_node *parent_node;
 	unsigned int parent_virq;
-	u16 vint_id, p_hwirq;
-	int ret;
+	int p_hwirq, ret;
+	u16 vint_id;
 
 	vint_id = ti_sci_get_free_resource(inta->vint);
 	if (vint_id == TI_SCI_RESOURCE_NULL)
-- 
2.20.1