diff mbox

[net-next,3/5] net: sh_eth: modify a condition of ioremap for TSU

Message ID 4F3C7E15.7020504@renesas.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Yoshihiro Shimoda Feb. 16, 2012, 3:55 a.m. UTC 
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>
---
 drivers/net/ethernet/renesas/sh_eth.c |   25 ++++++++++++++-----------
 1 files changed, 14 insertions(+), 11 deletions(-)

Comments

David Miller Feb. 16, 2012, 10:08 p.m. UTC | #1 
From: "Shimoda, Yoshihiro" <yoshihiro.shimoda.uh@renesas.com>
Date: Thu, 16 Feb 2012 12:55:01 +0900

> 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>

Applied.
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diff mbox

Patch

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 5a5afbc..8bd0e58 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);