[linux-yocto] [PATCH 2/3] drivers: soc: xilinx: fix compile warning by defining payload array length to 12

[quanyang.wang at windriver.com]

From: Quanyang Wang <quanyang.wang at windriver.com>

In include/linux/mailbox/zynqmp-ipi-message.h, it says that
the maximum length of data buffer is fixed to 12 bytes. So
define payload array length to 12 to fix compile warning as
below:

drivers/soc/xilinx/zynqmp_power.c:91:2: warning: ISO C90 forbids variable length array 'payload' [-Wvla]
   91 |  u32 payload[msg->len];
      |  ^~~

Signed-off-by: Quanyang Wang <quanyang.wang at windriver.com>
---
 drivers/soc/xilinx/zynqmp_power.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_power.c
index 663010658b2a..0036d013aacd 100644
--- a/drivers/soc/xilinx/zynqmp_power.c
+++ b/drivers/soc/xilinx/zynqmp_power.c
@@ -88,7 +88,7 @@ static irqreturn_t zynqmp_pm_isr(int irq, void *data)
 static void ipi_receive_callback(struct mbox_client *cl, void *data)
 {
 	struct zynqmp_ipi_message *msg = (struct zynqmp_ipi_message *)data;
-	u32 payload[msg->len];
+	u32 payload[12];
 	int ret;
 
 	memcpy(payload, msg->data, sizeof(msg->len));
-- 
2.17.1