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authorFabio Estevam <fabio.estevam@freescale.com>2013-03-11 08:32:55 +0100
committerDavid S. Miller <davem@davemloft.net>2013-03-12 13:04:09 +0100
commit83e519b63480e691d43ee106547b10941bfa0232 (patch)
tree94420d0bcb206b2e762b0f69d4a97c64a3e3dcee /drivers/net/ethernet
parentfec: Remove unused pci header (diff)
downloadlinux-83e519b63480e691d43ee106547b10941bfa0232.tar.xz
linux-83e519b63480e691d43ee106547b10941bfa0232.zip
fec: Use devm_request_and_ioremap()
Using devm_request_and_ioremap() can make the code cleaner and simpler. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/freescale/fec.c21
1 files 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 @@ failed_regulator:
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;