From: Yang Yingliang <yangyingliang@huawei.com>
To: <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>
Cc: <ulli.kroll@googlemail.com>, <linus.walleij@linaro.org>,
<davem@davemloft.net>, <kuba@kernel.org>
Subject: [PATCH net-next v3] net: gemini: Use devm_platform_get_and_ioremap_resource()
Date: Mon, 7 Jun 2021 16:11:45 +0800 [thread overview]
Message-ID: <20210607081145.1617593-1-yangyingliang@huawei.com> (raw)
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
next reply other threads:[~2021-06-07 8:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 8:11 Yang Yingliang [this message]
2021-06-07 8:10 ` [PATCH net-next v3] net: gemini: Use devm_platform_get_and_ioremap_resource() Linus Walleij
2021-06-07 20:30 ` patchwork-bot+netdevbpf
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