Re: [PATCH net-next v3] net: gemini: Use devm_platform_get_and_ioremap_resource()

Re: [PATCH net-next v3] net: gemini: Use devm_platform_get_and_ioremap_resource()

[Linus Walleij]

On Mon, Jun 7, 2021 at 10:08 AM Yang Yingliang <yangyingliang@huawei.com> wrote:

> Use devm_platform_get_and_ioremap_resource() to simplify
> code.
>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
> v3:
>   remove netdev_info(...) in gemini_ethernet_port_probe()

Nice!
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

[PATCH net-next v3] net: gemini: Use devm_platform_get_and_ioremap_resource()

[Yang Yingliang]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
v3:
  remove netdev_info(...) in gemini_ethernet_port_probe()
v2:
  Also use devm_platform_get_and_ioremap_resource() in gemini_ethernet_probe().
  Keep the error message to distinguish remap which address failed in
  gemini_ethernet_port_probe().
---
 drivers/net/ethernet/cortina/gemini.c | 34 +++++++--------------------
 1 file changed, 9 insertions(+), 25 deletions(-)

diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c
index 8df6f081f244..c2ebb3388789 100644
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -2356,8 +2356,6 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct gemini_ethernet *geth;
 	struct net_device *netdev;
-	struct resource *gmacres;
-	struct resource *dmares;
 	struct device *parent;
 	unsigned int id;
 	int irq;
@@ -2390,24 +2388,18 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
 	port->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
 
 	/* DMA memory */
-	dmares = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!dmares) {
-		dev_err(dev, "no DMA resource\n");
-		return -ENODEV;
-	}
-	port->dma_base = devm_ioremap_resource(dev, dmares);
-	if (IS_ERR(port->dma_base))
+	port->dma_base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
+	if (IS_ERR(port->dma_base)) {
+		dev_err(dev, "get DMA address failed\n");
 		return PTR_ERR(port->dma_base);
+	}
 
 	/* GMAC config memory */
-	gmacres = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (!gmacres) {
-		dev_err(dev, "no GMAC resource\n");
-		return -ENODEV;
-	}
-	port->gmac_base = devm_ioremap_resource(dev, gmacres);
-	if (IS_ERR(port->gmac_base))
+	port->gmac_base = devm_platform_get_and_ioremap_resource(pdev, 1, NULL);
+	if (IS_ERR(port->gmac_base)) {
+		dev_err(dev, "get GMAC address failed\n");
 		return PTR_ERR(port->gmac_base);
+	}
 
 	/* Interrupt */
 	irq = platform_get_irq(pdev, 0);
@@ -2502,10 +2494,6 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
 	if (ret)
 		goto unprepare;
 
-	netdev_info(netdev,
-		    "irq %d, DMA @ 0x%pap, GMAC @ 0x%pap\n",
-		    port->irq, &dmares->start,
-		    &gmacres->start);
 	return 0;
 
 unprepare:
@@ -2544,17 +2532,13 @@ static int gemini_ethernet_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct gemini_ethernet *geth;
 	unsigned int retry = 5;
-	struct resource *res;
 	u32 val;
 
 	/* Global registers */
 	geth = devm_kzalloc(dev, sizeof(*geth), GFP_KERNEL);
 	if (!geth)
 		return -ENOMEM;
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-	geth->base = devm_ioremap_resource(dev, res);
+	geth->base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(geth->base))
 		return PTR_ERR(geth->base);
 	geth->dev = dev;
-- 
2.25.1

Re: [PATCH net-next v3] net: gemini: Use devm_platform_get_and_ioremap_resource()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Mon, 7 Jun 2021 16:11:45 +0800 you wrote:
> Use devm_platform_get_and_ioremap_resource() to simplify
> code.
> 
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
> v3:
>   remove netdev_info(...) in gemini_ethernet_port_probe()
> v2:
>   Also use devm_platform_get_and_ioremap_resource() in gemini_ethernet_probe().
>   Keep the error message to distinguish remap which address failed in
>   gemini_ethernet_port_probe().
> 
> [...]

Here is the summary with links:
  - [net-next,v3] net: gemini: Use devm_platform_get_and_ioremap_resource()
    https://git.kernel.org/netdev/net-next/c/ef91f7981036

You are awesome, thank you!
--
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