diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2012-02-15 17:55:01 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-16 17:08:09 -0500 |
| commit | 6ba88021c36516c26c11eff8c6d7d9a045faecd3 (patch) | |
| tree | 488e0bb3a739f229fc832c4150f03842b8847cac | |
| parent | 150647fb2c313d7c5184fca3fa0829a4a7d6f7bc (diff) | |
net: sh_eth: modify a condition of ioremap for TSU
If the controller has TSU, the each channel needs TSU registers.
This patch also fixes the iounmap condition in the sh_eth_drv_remove().
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/renesas/sh_eth.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 5a5afbc7273b..8bd0e5897424 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1859,18 +1859,20 @@ static int sh_eth_drv_probe(struct platform_device *pdev) /* read and set MAC address */ read_mac_address(ndev, pd->mac_addr); + /* ioremap the TSU registers */ + if (mdp->cd->tsu) { + struct resource *rtsu; + rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (!rtsu) { + dev_err(&pdev->dev, "Not found TSU resource\n"); + goto out_release; + } + mdp->tsu_addr = ioremap(rtsu->start, + resource_size(rtsu)); + } + /* initialize first or needed device */ if (!devno || pd->needs_init) { - if (mdp->cd->tsu) { - struct resource *rtsu; - rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (!rtsu) { - dev_err(&pdev->dev, "Not found TSU resource\n"); - goto out_release; - } - mdp->tsu_addr = ioremap(rtsu->start, - resource_size(rtsu)); - } if (mdp->cd->chip_reset) mdp->cd->chip_reset(ndev); @@ -1919,7 +1921,8 @@ static int sh_eth_drv_remove(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct sh_eth_private *mdp = netdev_priv(ndev); - iounmap(mdp->tsu_addr); + if (mdp->cd->tsu) + iounmap(mdp->tsu_addr); sh_mdio_release(ndev); unregister_netdev(ndev); pm_runtime_disable(&pdev->dev); |