[PATCH 09/12] net: axienet: Use devm_* calls

Michal Simek
2015-05-05T09:27:25Z

From: Srikanth Thokala <srikanth.thokala@xilinx.com>

use devm_* calls

Signed-off-by: Srikanth Thokala <sthokal@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 54 +++++++++++------------
1 file changed, 27 insertions(+), 27 deletions(-)

diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 757b2dc30cef..49ae4d50774d 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -1499,6 +1499,7 @@ static int axienet_of_probe(struct platform_device *pdev)
struct axienet_local *lp;
struct net_device *ndev;
const void *addr;
+ struct resource *ethres, dmares;

ndev = alloc_etherdev(sizeof(*lp));
if (!ndev)
@@ -1517,12 +1518,14 @@ static int axienet_of_probe(struct platform_device *pdev)
lp->dev = &pdev->dev;
lp->options = XAE_OPTION_DEFAULTS;
/* Map device registers */
- lp->regs = of_iomap(pdev->dev.of_node, 0);
+ ethres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ lp->regs = devm_ioremap_resource(&pdev->dev, ethres);
if (!lp->regs) {
dev_err(&pdev->dev, "could not map Axi Ethernet regs.\n");
ret = -ENOMEM;
- goto nodev;
+ goto free_netdev;
}
+
/* Setup checksum offload, but default to off if not specified */
lp->features = 0;

@@ -1580,17 +1583,21 @@ static int axienet_of_probe(struct platform_device *pdev)

/* Find the DMA node, map the DMA registers, and decode the DMA IRQs */
np = of_parse_phandle(pdev->dev.of_node, "axistream-connected", 0);
- if (!np) {
+ if (IS_ERR(np)) {
dev_err(&pdev->dev, "could not find DMA node\n");
- ret = -ENODEV;
- goto err_iounmap;
+ ret = PTR_ERR(np);
+ goto free_netdev;
}
- lp->dma_regs = of_iomap(np, 0);
- if (lp->dma_regs) {
- dev_dbg(&pdev->dev, "MEM base: %p\n", lp->dma_regs);
- } else {
- dev_err(&pdev->dev, "unable to map DMA registers\n");
- of_node_put(np);
+ ret = of_address_to_resource(np, 0, &dmares);
+ if (ret) {
+ dev_err(&pdev->dev, "unable to get DMA resource\n");
+ goto free_netdev;
+ }
+ lp->dma_regs = devm_ioremap_resource(&pdev->dev, &dmares);
+ if (!lp->dma_regs) {
+ dev_err(&pdev->dev, "could not map DMA regs\n");
+ ret = -ENOMEM;
+ goto free_netdev;
}
lp->rx_irq = irq_of_parse_and_map(np, 1);
lp->tx_irq = irq_of_parse_and_map(np, 0);
@@ -1598,7 +1605,7 @@ static int axienet_of_probe(struct platform_device *pdev)
if ((lp->rx_irq <= 0) || (lp->tx_irq <= 0)) {
dev_err(&pdev->dev, "could not determine irqs\n");
ret = -ENOMEM;
- goto err_iounmap_2;
+ goto free_netdev;
}

/* Retrieve the MAC address */
@@ -1606,7 +1613,7 @@ static int axienet_of_probe(struct platform_device *pdev)
if ((!addr) || (size != 6)) {
dev_err(&pdev->dev, "could not find MAC address\n");
ret = -ENODEV;
- goto err_iounmap_2;
+ goto free_netdev;
}
axienet_set_mac_address(ndev, (void *) addr);

@@ -1614,27 +1621,23 @@ static int axienet_of_probe(struct platform_device *pdev)
lp->coalesce_count_tx = XAXIDMA_DFT_TX_THRESHOLD;

lp->phy_node = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
- if (lp->phy_node)
+ if (lp->phy_node) {
ret = axienet_mdio_setup(lp, pdev->dev.of_node);
- if (ret)
- dev_warn(&pdev->dev, "error registering MDIO bus\n");
+ if (ret)
+ dev_warn(&pdev->dev, "error registering MDIO bus\n");
+ }

ret = register_netdev(lp->ndev);
if (ret) {
dev_err(lp->dev, "register_netdev() error (%i)\n", ret);
- goto err_iounmap_2;
+ goto free_netdev;
}

return 0;

-err_iounmap_2:
- if (lp->dma_regs)
- iounmap(lp->dma_regs);
-err_iounmap:
- iounmap(lp->regs);
-nodev:
+free_netdev:
free_netdev(ndev);
- ndev = NULL;
+
return ret;
}

@@ -1649,9 +1652,6 @@ static int axienet_of_remove(struct platform_device *pdev)
of_node_put(lp->phy_node);
lp->phy_node = NULL;

- iounmap(lp->regs);
- if (lp->dma_regs)
- iounmap(lp->dma_regs);
free_netdev(ndev);

return 0;
--
2.3.5