Re: [PATCH net-next v2] net: mdio: mscc-miim: Use devm_platform_get_and_ioremap_resource()

From: weiyongjun (A)
Date: Fri Jun 11 2021 - 02:57:57 EST



Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
v2:
only convert the first platform_get_resource()
---
drivers/net/mdio/mdio-mscc-miim.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/net/mdio/mdio-mscc-miim.c b/drivers/net/mdio/mdio-mscc-miim.c
index b36e5ea04ddf..071c654bab29 100644
--- a/drivers/net/mdio/mdio-mscc-miim.c
+++ b/drivers/net/mdio/mdio-mscc-miim.c
@@ -139,10 +139,6 @@ static int mscc_miim_probe(struct platform_device *pdev)
struct mscc_miim_dev *dev;
int ret;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENODEV;
-
bus = devm_mdiobus_alloc_size(&pdev->dev, sizeof(*dev));
if (!bus)
return -ENOMEM;
@@ -155,7 +151,7 @@ static int mscc_miim_probe(struct platform_device *pdev)
bus->parent = &pdev->dev;
dev = bus->priv;
- dev->regs = devm_ioremap_resource(&pdev->dev, res);
+ dev->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);


res not used later, so should be

dev->regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);


if (IS_ERR(dev->regs)) {
dev_err(&pdev->dev, "Unable to map MIIM registers\n");
return PTR_ERR(dev->regs);