mv643xx_eth: Remove SHARED_REGS register address bias
Start counting mv643xx_eth register addresses from zero, instead of
from 0x2000 (MV643XX_ETH_SHARED_REGS.)
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Tzachi Perelstein <tzachi@marvell.com>
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 98dd905..98b30e5 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -78,26 +78,19 @@
static char mv643xx_driver_name[] = "mv643xx_eth";
static char mv643xx_driver_version[] = "1.0";
-static void __iomem *mv643xx_eth_shared_base;
+static void __iomem *mv643xx_eth_base;
/* used to protect MV643XX_ETH_SMI_REG, which is shared across ports */
static DEFINE_SPINLOCK(mv643xx_eth_phy_lock);
static inline u32 mv_read(int offset)
{
- void __iomem *reg_base;
-
- reg_base = mv643xx_eth_shared_base - MV643XX_ETH_SHARED_REGS;
-
- return readl(reg_base + offset);
+ return readl(mv643xx_eth_base + offset);
}
static inline void mv_write(int offset, u32 data)
{
- void __iomem *reg_base;
-
- reg_base = mv643xx_eth_shared_base - MV643XX_ETH_SHARED_REGS;
- writel(data, reg_base + offset);
+ writel(data, mv643xx_eth_base + offset);
}
/*
@@ -1470,9 +1463,8 @@
if (res == NULL)
return -ENODEV;
- mv643xx_eth_shared_base = ioremap(res->start,
- MV643XX_ETH_SHARED_REGS_SIZE);
- if (mv643xx_eth_shared_base == NULL)
+ mv643xx_eth_base = ioremap(res->start, res->end - res->start + 1);
+ if (mv643xx_eth_base == NULL)
return -ENOMEM;
return 0;
@@ -1481,8 +1473,8 @@
static int mv643xx_eth_shared_remove(struct platform_device *pdev)
{
- iounmap(mv643xx_eth_shared_base);
- mv643xx_eth_shared_base = NULL;
+ iounmap(mv643xx_eth_base);
+ mv643xx_eth_base = NULL;
return 0;
}