net: sh_eth: use ioremap()

This patch also changes writel/readl to iowrite32/ioread32.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 29 insertions, 18 deletions

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 4479a45f7329..38ccda55ea7e 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -155,18 +155,18 @@ static void sh_eth_chip_reset_giga(struct net_device *ndev)
 
         /* save MAHR and MALR */
         for (i = 0; i < 2; i++) {
-                malr[i] = readl(GIGA_MALR(i));
-                mahr[i] = readl(GIGA_MAHR(i));
+                malr[i] = ioread32((void *)GIGA_MALR(i));
+                mahr[i] = ioread32((void *)GIGA_MAHR(i));
         }
 
         /* reset device */
-        writel(ARSTR_ARSTR, SH_GIGA_ETH_BASE + 0x1800);
+        iowrite32(ARSTR_ARSTR, (void *)(SH_GIGA_ETH_BASE + 0x1800));
         mdelay(1);
 
         /* restore MAHR and MALR */
         for (i = 0; i < 2; i++) {
-                writel(malr[i], GIGA_MALR(i));
-                writel(mahr[i], GIGA_MAHR(i));
+                iowrite32(malr[i], (void *)GIGA_MALR(i));
+                iowrite32(mahr[i], (void *)GIGA_MAHR(i));
         }
 }
 
@@ -515,9 +515,9 @@ static unsigned long sh_eth_get_edtrr_trns(struct sh_eth_private *mdp)
 }
 
 struct bb_info {
-        void (*set_gate)(unsigned long addr);
+        void (*set_gate)(void *addr);
         struct mdiobb_ctrl ctrl;
-        u32 addr;
+        void *addr;
         u32 mmd_msk;/* MMD */
         u32 mdo_msk;
         u32 mdi_msk;
@@ -525,21 +525,21 @@ struct bb_info {
 };
 
 /* PHY bit set */
-static void bb_set(u32 addr, u32 msk)
+static void bb_set(void *addr, u32 msk)
 {
-        writel(readl(addr) | msk, addr);
+        iowrite32(ioread32(addr) | msk, addr);
 }
 
 /* PHY bit clear */
-static void bb_clr(u32 addr, u32 msk)
+static void bb_clr(void *addr, u32 msk)
 {
-        writel((readl(addr) & ~msk), addr);
+        iowrite32((ioread32(addr) & ~msk), addr);
 }
 
 /* PHY bit read */
-static int bb_read(u32 addr, u32 msk)
+static int bb_read(void *addr, u32 msk)
 {
-        return (readl(addr) & msk) != 0;
+        return (ioread32(addr) & msk) != 0;
 }
 
 /* Data I/O pin control */
@@ -1680,7 +1680,7 @@ static int sh_mdio_init(struct net_device *ndev, int id,
         }
 
         /* bitbang init */
-        bitbang->addr = ndev->base_addr + mdp->reg_offset[PIR];
+        bitbang->addr = mdp->addr + mdp->reg_offset[PIR];
         bitbang->set_gate = pd->set_mdio_gate;
         bitbang->mdi_msk = 0x08;
         bitbang->mdo_msk = 0x04;
@@ -1812,6 +1812,13 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
         ether_setup(ndev);
 
         mdp = netdev_priv(ndev);
+        mdp->addr = ioremap(res->start, resource_size(res));
+        if (mdp->addr == NULL) {
+                ret = -ENOMEM;
+                dev_err(&pdev->dev, "ioremap failed.\n");
+                goto out_release;
+        }
+
         spin_lock_init(&mdp->lock);
         mdp->pdev = pdev;
         pm_runtime_enable(&pdev->dev);
@@ -1892,6 +1899,8 @@ out_unregister:
 
 out_release:
         /* net_dev free */
+        if (mdp && mdp->addr)
+                iounmap(mdp->addr);
         if (mdp && mdp->tsu_addr)
                 iounmap(mdp->tsu_addr);
         if (ndev)
@@ -1910,6 +1919,7 @@ static int sh_eth_drv_remove(struct platform_device *pdev)
         sh_mdio_release(ndev);
         unregister_netdev(ndev);
         pm_runtime_disable(&pdev->dev);
+        iounmap(mdp->addr);
         free_netdev(ndev);
         platform_set_drvdata(pdev, NULL);
 
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index c3048a6ba676..78e586ecdeaa 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -762,6 +762,7 @@ struct sh_eth_private {
         struct platform_device *pdev;
         struct sh_eth_cpu_data *cd;
         const u16 *reg_offset;
+        void __iomem *addr;
         void __iomem *tsu_addr;
         dma_addr_t rx_desc_dma;
         dma_addr_t tx_desc_dma;
@@ -811,7 +812,7 @@ static inline void sh_eth_write(struct net_device *ndev, unsigned long data,
 {
         struct sh_eth_private *mdp = netdev_priv(ndev);
 
-        writel(data, ndev->base_addr + mdp->reg_offset[enum_index]);
+        iowrite32(data, mdp->addr + mdp->reg_offset[enum_index]);
 }
 
 static inline unsigned long sh_eth_read(struct net_device *ndev,
@@ -819,19 +820,19 @@ static inline unsigned long sh_eth_read(struct net_device *ndev,
 {
         struct sh_eth_private *mdp = netdev_priv(ndev);
 
-        return readl(ndev->base_addr + mdp->reg_offset[enum_index]);
+        return ioread32(mdp->addr + mdp->reg_offset[enum_index]);
 }
 
 static inline void sh_eth_tsu_write(struct sh_eth_private *mdp,
                                 unsigned long data, int enum_index)
 {
-        writel(data, mdp->tsu_addr + mdp->reg_offset[enum_index]);
+        iowrite32(data, mdp->tsu_addr + mdp->reg_offset[enum_index]);
 }
 
 static inline unsigned long sh_eth_tsu_read(struct sh_eth_private *mdp,
                                         int enum_index)
 {
-        return readl(mdp->tsu_addr + mdp->reg_offset[enum_index]);
+        return ioread32(mdp->tsu_addr + mdp->reg_offset[enum_index]);
 }
 
 #endif  /* #ifndef __SH_ETH_H__ */