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author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-04-19 00:19:40 +0200 |
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committer | David S. Miller <davem@davemloft.net> | 2021-04-19 15:58:14 -0700 |
commit | b4cd249a8cc017e0f7910baf6b7cdc282fe8c4e5 (patch) | |
tree | b33a4e540bef5490f7a12b266d3c9094339b3e7f /drivers/net | |
parent | 89f9d5400b53bedbeb8f1d7854abe6f7412251da (diff) | |
download | linux-stable-b4cd249a8cc017e0f7910baf6b7cdc282fe8c4e5.tar.gz linux-stable-b4cd249a8cc017e0f7910baf6b7cdc282fe8c4e5.tar.bz2 linux-stable-b4cd249a8cc017e0f7910baf6b7cdc282fe8c4e5.zip |
net: korina: Use devres functions
Simplify probe/remove code by using devm_ functions.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/korina.c | 64 |
1 files changed, 21 insertions, 43 deletions
diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c index 1b7e1c75ed9e..b56de01f6bb8 100644 --- a/drivers/net/ethernet/korina.c +++ b/drivers/net/ethernet/korina.c @@ -105,9 +105,9 @@ enum chain_status { /* Information that need to be kept for each board. */ struct korina_private { - struct eth_regs *eth_regs; - struct dma_reg *rx_dma_regs; - struct dma_reg *tx_dma_regs; + struct eth_regs __iomem *eth_regs; + struct dma_reg __iomem *rx_dma_regs; + struct dma_reg __iomem *tx_dma_regs; struct dma_desc *td_ring; /* transmit descriptor ring */ struct dma_desc *rd_ring; /* receive descriptor ring */ @@ -1044,10 +1044,10 @@ static int korina_probe(struct platform_device *pdev) struct korina_device *bif = platform_get_drvdata(pdev); struct korina_private *lp; struct net_device *dev; - struct resource *r; + void __iomem *p; int rc; - dev = alloc_etherdev(sizeof(struct korina_private)); + dev = devm_alloc_etherdev(&pdev->dev, sizeof(struct korina_private)); if (!dev) return -ENOMEM; @@ -1060,36 +1060,30 @@ static int korina_probe(struct platform_device *pdev) lp->rx_irq = platform_get_irq_byname(pdev, "korina_rx"); lp->tx_irq = platform_get_irq_byname(pdev, "korina_tx"); - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "korina_regs"); - dev->base_addr = r->start; - lp->eth_regs = ioremap(r->start, resource_size(r)); - if (!lp->eth_regs) { + p = devm_platform_ioremap_resource_byname(pdev, "korina_regs"); + if (!p) { printk(KERN_ERR DRV_NAME ": cannot remap registers\n"); - rc = -ENXIO; - goto probe_err_out; + return -ENOMEM; } + lp->eth_regs = p; - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "korina_dma_rx"); - lp->rx_dma_regs = ioremap(r->start, resource_size(r)); - if (!lp->rx_dma_regs) { + p = devm_platform_ioremap_resource_byname(pdev, "korina_dma_rx"); + if (!p) { printk(KERN_ERR DRV_NAME ": cannot remap Rx DMA registers\n"); - rc = -ENXIO; - goto probe_err_dma_rx; + return -ENOMEM; } + lp->rx_dma_regs = p; - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "korina_dma_tx"); - lp->tx_dma_regs = ioremap(r->start, resource_size(r)); - if (!lp->tx_dma_regs) { + p = devm_platform_ioremap_resource_byname(pdev, "korina_dma_tx"); + if (!p) { printk(KERN_ERR DRV_NAME ": cannot remap Tx DMA registers\n"); - rc = -ENXIO; - goto probe_err_dma_tx; + return -ENOMEM; } + lp->tx_dma_regs = p; lp->td_ring = kmalloc(TD_RING_SIZE + RD_RING_SIZE, GFP_KERNEL); - if (!lp->td_ring) { - rc = -ENXIO; - goto probe_err_td_ring; - } + if (!lp->td_ring) + return -ENOMEM; dma_cache_inv((unsigned long)(lp->td_ring), TD_RING_SIZE + RD_RING_SIZE); @@ -1119,7 +1113,8 @@ static int korina_probe(struct platform_device *pdev) if (rc < 0) { printk(KERN_ERR DRV_NAME ": cannot register net device: %d\n", rc); - goto probe_err_register; + kfree((struct dma_desc *)KSEG0ADDR(lp->td_ring)); + return rc; } timer_setup(&lp->media_check_timer, korina_poll_media, 0); @@ -1127,20 +1122,7 @@ static int korina_probe(struct platform_device *pdev) printk(KERN_INFO "%s: " DRV_NAME "-" DRV_VERSION " " DRV_RELDATE "\n", dev->name); -out: return rc; - -probe_err_register: - kfree((struct dma_desc *)KSEG0ADDR(lp->td_ring)); -probe_err_td_ring: - iounmap(lp->tx_dma_regs); -probe_err_dma_tx: - iounmap(lp->rx_dma_regs); -probe_err_dma_rx: - iounmap(lp->eth_regs); -probe_err_out: - free_netdev(dev); - goto out; } static int korina_remove(struct platform_device *pdev) @@ -1148,13 +1130,9 @@ static int korina_remove(struct platform_device *pdev) struct korina_device *bif = platform_get_drvdata(pdev); struct korina_private *lp = netdev_priv(bif->dev); - iounmap(lp->eth_regs); - iounmap(lp->rx_dma_regs); - iounmap(lp->tx_dma_regs); kfree((struct dma_desc *)KSEG0ADDR(lp->td_ring)); unregister_netdev(bif->dev); - free_netdev(bif->dev); return 0; } |