From 83e519b63480e691d43ee106547b10941bfa0232 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 11 Mar 2013 07:32:55 +0000 Subject: [PATCH] fec: Use devm_request_and_ioremap() Using devm_request_and_ioremap() can make the code cleaner and simpler. Signed-off-by: Fabio Estevam Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/fec.c | 21 +++------------------ 1 file changed, 3 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c index 46e6bc0150ea..e6224949891f 100644 --- a/drivers/net/ethernet/freescale/fec.c +++ b/drivers/net/ethernet/freescale/fec.c @@ -1731,16 +1731,10 @@ fec_probe(struct platform_device *pdev) if (!r) return -ENXIO; - r = request_mem_region(r->start, resource_size(r), pdev->name); - if (!r) - return -EBUSY; - /* Init network device */ ndev = alloc_etherdev(sizeof(struct fec_enet_private)); - if (!ndev) { - ret = -ENOMEM; - goto failed_alloc_etherdev; - } + if (!ndev) + return -ENOMEM; SET_NETDEV_DEV(ndev, &pdev->dev); @@ -1752,7 +1746,7 @@ fec_probe(struct platform_device *pdev) (pdev->id_entry->driver_data & FEC_QUIRK_HAS_GBIT)) fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG; - fep->hwp = ioremap(r->start, resource_size(r)); + fep->hwp = devm_request_and_ioremap(&pdev->dev, r); fep->pdev = pdev; fep->dev_id = dev_id++; @@ -1874,11 +1868,8 @@ fec_probe(struct platform_device *pdev) clk_disable_unprepare(fep->clk_ptp); failed_pin: failed_clk: - iounmap(fep->hwp); failed_ioremap: free_netdev(ndev); -failed_alloc_etherdev: - release_mem_region(r->start, resource_size(r)); return ret; } @@ -1888,7 +1879,6 @@ fec_drv_remove(struct platform_device *pdev) { struct net_device *ndev = platform_get_drvdata(pdev); struct fec_enet_private *fep = netdev_priv(ndev); - struct resource *r; int i; unregister_netdev(ndev); @@ -1904,13 +1894,8 @@ fec_drv_remove(struct platform_device *pdev) if (irq > 0) free_irq(irq, ndev); } - iounmap(fep->hwp); free_netdev(ndev); - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - BUG_ON(!r); - release_mem_region(r->start, resource_size(r)); - platform_set_drvdata(pdev, NULL); return 0;