Use to_platform_device() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangt...@163.com>
---
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c 
b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
index 8c30cec..d2263c7 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
@@ -499,8 +499,7 @@ void hns_rcb_get_cfg(struct rcb_common_cb *rcb_common)
        int base_irq_idx = hns_rcb_get_base_irq_idx(rcb_common);
        struct device_node *np = rcb_common->dsaf_dev->dev->of_node;
        struct platform_device *pdev =
-               container_of(rcb_common->dsaf_dev->dev,
-                            struct platform_device, dev);
+               to_platform_device(rcb_common->dsaf_dev->dev);
        bool is_ver1 = AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver);
 
        for (i = 0; i < ring_num; i++) {
-- 
2.5.0


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