diff mbox series

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

Message ID 20210611045049.3905429-1-yangyingliang@huawei.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series [net-next,v2] net: mdio: mscc-miim: Use devm_platform_get_and_ioremap_resource() | expand

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Commit Message

Yang Yingliang June 11, 2021, 4:50 a.m. UTC
Use devm_platform_get_and_ioremap_resource() to simplify
code.

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

Comments

Wei Yongjun June 11, 2021, 6:57 a.m. UTC | #1
> Use devm_platform_get_and_ioremap_resource() to simplify
> code.
>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
> 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);
Yang Yingliang June 11, 2021, 7:40 a.m. UTC | #2
On 2021/6/11 14:57, weiyongjun (A) wrote:
>
>> Use devm_platform_get_and_ioremap_resource() to simplify
>> code.
>>
>> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
>> ---
>> 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);
Yes, I will send a v3 later.

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

Patch

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