[PATCH] irqchip/irq-imx-gpcv2: mark imx_gpcv2_instance with __ro_after_init

[Peng Fan (OSS)]

From: Peng Fan <peng.fan@xxxxxxx>

imx_gpcv2_instance will not be updated after init, so mark it with
__ro_after_init.

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
 drivers/irqchip/irq-imx-gpcv2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index 5b5a365dbd5e..b9c22f764b4d 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -26,7 +26,7 @@ struct gpcv2_irqchip_data {
 	u32			cpu2wakeup;
 };
 
-static struct gpcv2_irqchip_data *imx_gpcv2_instance;
+static struct gpcv2_irqchip_data *imx_gpcv2_instance __ro_after_init;
 
 static void __iomem *gpcv2_idx_to_reg(struct gpcv2_irqchip_data *cd, int i)
 {
-- 
2.25.1