[PATCH -next] RDMA/hns: use devm_platform_ioremap_resource() to simplify code

[YueHaibing]

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c 
b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index dc9a1cd..5f74bf5 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -4511,7 +4511,6 @@ static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev)
        struct platform_device *pdev = NULL;
        struct net_device *netdev = NULL;
        struct device_node *net_node;
-       struct resource *res;
        int port_cnt = 0;
        u8 phy_port;
        int ret;
@@ -4550,8 +4549,7 @@ static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev)
        }
 
        /* get the mapped register base address */
-       res = platform_get_resource(hr_dev->pdev, IORESOURCE_MEM, 0);
-       hr_dev->reg_base = devm_ioremap_resource(dev, res);
+       hr_dev->reg_base = devm_platform_ioremap_resource(hr_dev->pdev, 0);
        if (IS_ERR(hr_dev->reg_base))
                return PTR_ERR(hr_dev->reg_base);
 
-- 
2.7.4