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From: Markus Elfring <Markus.Elfring@web.de>
To: netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
	Hauke Mehrtens <hauke@hauke-m.de>,
	Radhey Shyam Pandey <radheys@xilinx.com>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH v2] ethernet: lantiq_xrx200: Use devm_platform_ioremap_resource() in xrx200_probe()
Date: Fri, 20 Sep 2019 12:57:00 +0200	[thread overview]
Message-ID: <43bed158-2af9-c518-2f97-a473c2b84eb7@web.de> (raw)
In-Reply-To: <CH2PR02MB700047AFFFE08FE5FD563541C78E0@CH2PR02MB7000.namprd02.prod.outlook.com>

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 20 Sep 2019 11:48:33 +0200

Simplify this function implementation by using the wrapper function
“devm_platform_ioremap_resource” instead of calling the functions
“platform_get_resource” and “devm_ioremap_resource” directly.

* Thus reduce also a bit of exception handling code here.
* Delete the local variable “res”.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---

v2:
Further changes were requested by Radhey Shyam Pandey.

https://lore.kernel.org/r/CH2PR02MB700047AFFFE08FE5FD563541C78E0@CH2PR02MB7000.namprd02.prod.outlook.com/



* Updates for three modules were split into a separate patch for each driver.

* The commit description was adjusted.





 drivers/net/ethernet/lantiq_xrx200.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c
index 900affbdcc0e..0a7ea45b9e59 100644
--- a/drivers/net/ethernet/lantiq_xrx200.c
+++ b/drivers/net/ethernet/lantiq_xrx200.c
@@ -424,7 +424,6 @@ static int xrx200_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
-	struct resource *res;
 	struct xrx200_priv *priv;
 	struct net_device *net_dev;
 	const u8 *mac;
@@ -443,15 +442,7 @@ static int xrx200_probe(struct platform_device *pdev)
 	SET_NETDEV_DEV(net_dev, dev);
 	net_dev->min_mtu = ETH_ZLEN;
 	net_dev->max_mtu = XRX200_DMA_DATA_LEN;
-
-	/* load the memory ranges */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "failed to get resources\n");
-		return -ENOENT;
-	}
-
-	priv->pmac_reg = devm_ioremap_resource(dev, res);
+	priv->pmac_reg = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->pmac_reg)) {
 		dev_err(dev, "failed to request and remap io ranges\n");
 		return PTR_ERR(priv->pmac_reg);
--
2.23.0


WARNING: multiple messages have this Message-ID (diff)
From: Markus Elfring <Markus.Elfring@web.de>
To: netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
	Hauke Mehrtens <hauke@hauke-m.de>,
	Radhey Shyam Pandey <radheys@xilinx.com>
Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org
Subject: [PATCH v2] ethernet: lantiq_xrx200: Use devm_platform_ioremap_resource() in xrx200_probe()
Date: Fri, 20 Sep 2019 10:57:00 +0000	[thread overview]
Message-ID: <43bed158-2af9-c518-2f97-a473c2b84eb7@web.de> (raw)
In-Reply-To: <CH2PR02MB700047AFFFE08FE5FD563541C78E0@CH2PR02MB7000.namprd02.prod.outlook.com>

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 20 Sep 2019 11:48:33 +0200

Simplify this function implementation by using the wrapper function
“devm_platform_ioremap_resource” instead of calling the functions
“platform_get_resource” and “devm_ioremap_resource” directly.

* Thus reduce also a bit of exception handling code here.
* Delete the local variable “res”.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---

v2:
Further changes were requested by Radhey Shyam Pandey.

https://lore.kernel.org/r/CH2PR02MB700047AFFFE08FE5FD563541C78E0@CH2PR02MB7000.namprd02.prod.outlook.com/



* Updates for three modules were split into a separate patch for each driver.

* The commit description was adjusted.





 drivers/net/ethernet/lantiq_xrx200.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c
index 900affbdcc0e..0a7ea45b9e59 100644
--- a/drivers/net/ethernet/lantiq_xrx200.c
+++ b/drivers/net/ethernet/lantiq_xrx200.c
@@ -424,7 +424,6 @@ static int xrx200_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
-	struct resource *res;
 	struct xrx200_priv *priv;
 	struct net_device *net_dev;
 	const u8 *mac;
@@ -443,15 +442,7 @@ static int xrx200_probe(struct platform_device *pdev)
 	SET_NETDEV_DEV(net_dev, dev);
 	net_dev->min_mtu = ETH_ZLEN;
 	net_dev->max_mtu = XRX200_DMA_DATA_LEN;
-
-	/* load the memory ranges */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "failed to get resources\n");
-		return -ENOENT;
-	}
-
-	priv->pmac_reg = devm_ioremap_resource(dev, res);
+	priv->pmac_reg = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->pmac_reg)) {
 		dev_err(dev, "failed to request and remap io ranges\n");
 		return PTR_ERR(priv->pmac_reg);
--
2.23.0

  parent reply	other threads:[~2019-09-20 10:57 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-18 13:30 [PATCH] ethernet: Use devm_platform_ioremap_resource() in three functions Markus Elfring
2019-09-18 13:30 ` Markus Elfring
2019-09-18 13:30 ` Markus Elfring
2019-09-18 14:16 ` Radhey Shyam Pandey
2019-09-18 14:16   ` Radhey Shyam Pandey
2019-09-18 14:16   ` Radhey Shyam Pandey
2019-09-20  9:23   ` [PATCH v2] ethernet: gemini: Use devm_platform_ioremap_resource() in gemini_ethernet_probe() Markus Elfring
2019-09-20  9:23     ` Markus Elfring
2019-09-20  9:23     ` Markus Elfring
2019-10-04 21:08     ` Linus Walleij
2019-10-04 21:08       ` Linus Walleij
2019-10-04 21:08       ` Linus Walleij
2019-09-20 10:57   ` Markus Elfring [this message]
2019-09-20 10:57     ` [PATCH v2] ethernet: lantiq_xrx200: Use devm_platform_ioremap_resource() in xrx200_probe() Markus Elfring
2019-09-20 19:23     ` Hauke Mehrtens
2019-09-20 19:23       ` Hauke Mehrtens
2019-09-20 11:30   ` [PATCH v2] ethernet: axienet: Use devm_platform_ioremap_resource() in axienet_probe() Markus Elfring
2019-09-20 11:30     ` Markus Elfring
2019-09-20 11:30     ` Markus Elfring
2019-09-20 11:57     ` Radhey Shyam Pandey
2019-09-20 11:57       ` Radhey Shyam Pandey
2019-09-20 11:57       ` Radhey Shyam Pandey

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