A call of the function macb_init() can fail in the function
fu540_c000_init. The related system resources were not released
then. use devm_platform_ioremap_resource() to replace ioremap()
to fix it.

Fixes: c218ad559020ff9 ("macb: Add support for SiFive FU540-C000")
Cc: Andy Shevchenko <andy.shevche...@gmail.com>
Reviewed-by: Yash Shah <yash.s...@sifive.com>
Signed-off-by: Dejin Zheng <zhengdej...@gmail.com>
---
v1 -> v2:
        - Nicolas and Andy suggest use devm_platform_ioremap_resource()
          to repalce devm_ioremap() to fix this issue. Thanks Nicolas
          and Andy.
        - Yash help me to review this patch, Thanks Yash!

 drivers/net/ethernet/cadence/macb_main.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c 
b/drivers/net/ethernet/cadence/macb_main.c
index a0e8c5bbabc0..99354e327d1f 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -4172,13 +4172,7 @@ static int fu540_c000_clk_init(struct platform_device 
*pdev, struct clk **pclk,
 
 static int fu540_c000_init(struct platform_device *pdev)
 {
-       struct resource *res;
-
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-       if (!res)
-               return -ENODEV;
-
-       mgmt->reg = ioremap(res->start, resource_size(res));
+       mgmt->reg = devm_platform_ioremap_resource(pdev, 1);
        if (!mgmt->reg)
                return -ENOMEM;
 
-- 
2.25.0

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