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Subject[PATCH 2/3] staging: et131x: Remove xcvr_addr and et131x_xcvr_find
Date
Use the phy_device equivalents instead.

Signed-off-by: Mark Einon <mark.einon@gmail.com>
---
drivers/staging/et131x/et1310_phy.c | 72 ++++++++++++------------------
drivers/staging/et131x/et131x.h | 17 +++----
drivers/staging/et131x/et131x_adapter.h | 3 -
drivers/staging/et131x/et131x_initpci.c | 15 +------
4 files changed, 38 insertions(+), 69 deletions(-)
diff --git a/drivers/staging/et131x/et1310_phy.c b/drivers/staging/et131x/et1310_phy.c
index 5e21a18..9613846 100644
--- a/drivers/staging/et131x/et1310_phy.c
+++ b/drivers/staging/et131x/et1310_phy.c
@@ -114,7 +114,6 @@ int et131x_mdio_write(struct mii_bus *bus, int phy_addr, int reg, u16 value)
struct net_device *netdev = bus->priv;
struct et131x_adapter *adapter = netdev_priv(netdev);

- /* mii_write always uses the same phy_addr, xcvr_addr */
return et131x_mii_write(adapter, reg, value);
}

@@ -128,17 +127,28 @@ int et131x_mdio_reset(struct mii_bus *bus)
return 0;
}

+
+int et131x_mii_read(struct et131x_adapter *adapter, u8 reg, u16 *value)
+{
+ struct phy_device *phydev = adapter->phydev;
+
+ if(!phydev)
+ return -EIO;
+
+ return et131x_phy_mii_read(adapter, phydev->addr, reg, value);
+}
+
/**
* et131x_phy_mii_read - Read from the PHY through the MII Interface on the MAC
* @adapter: pointer to our private adapter structure
- * @xcvr_addr: the address of the transceiver
- * @xcvr_reg: the register to read
+ * @addr: the address of the transceiver
+ * @reg: the register to read
* @value: pointer to a 16-bit value in which the value will be stored
*
* Returns 0 on success, errno on failure (as defined in errno.h)
*/
-int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 xcvr_addr,
- u8 xcvr_reg, u16 *value)
+int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 addr,
+ u8 reg, u16 *value)
{
struct mac_regs __iomem *mac = &adapter->regs->mac;
int status = 0;
@@ -157,7 +167,7 @@ int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 xcvr_addr,
writel(0, &mac->mii_mgmt_cmd);

/* Set up the register we need to read from on the correct PHY */
- writel(MII_ADDR(xcvr_addr, xcvr_reg), &mac->mii_mgmt_addr);
+ writel(MII_ADDR(addr, reg), &mac->mii_mgmt_addr);

writel(0x1, &mac->mii_mgmt_cmd);

@@ -170,7 +180,7 @@ int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 xcvr_addr,
/* If we hit the max delay, we could not read the register */
if (delay == 50) {
dev_warn(&adapter->pdev->dev,
- "xcvrReg 0x%08x could not be read\n", xcvr_reg);
+ "reg 0x%08x could not be read\n", reg);
dev_warn(&adapter->pdev->dev, "status is 0x%08x\n",
mii_indicator);

@@ -196,23 +206,29 @@ int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 xcvr_addr,
/**
* et131x_mii_write - Write to a PHY register through the MII interface of the MAC
* @adapter: pointer to our private adapter structure
- * @xcvr_reg: the register to read
+ * @reg: the register to read
* @value: 16-bit value to write
*
* FIXME: one caller in netdev still
*
* Return 0 on success, errno on failure (as defined in errno.h)
*/
-int et131x_mii_write(struct et131x_adapter *adapter, u8 xcvr_reg, u16 value)
+int et131x_mii_write(struct et131x_adapter *adapter, u8 reg, u16 value)
{
struct mac_regs __iomem *mac = &adapter->regs->mac;
+ struct phy_device *phydev = adapter->phydev;
int status = 0;
- u8 xcvr_addr = adapter->stats.xcvr_addr;
+ u8 addr;
u32 delay = 0;
u32 mii_addr;
u32 mii_cmd;
u32 mii_indicator;

+ if(!phydev)
+ return -EIO;
+
+ addr = phydev->addr;
+
/* Save a local copy of the registers we are dealing with so we can
* set them back
*/
@@ -223,7 +239,7 @@ int et131x_mii_write(struct et131x_adapter *adapter, u8 xcvr_reg, u16 value)
writel(0, &mac->mii_mgmt_cmd);

/* Set up the register we need to write to on the correct PHY */
- writel(MII_ADDR(xcvr_addr, xcvr_reg), &mac->mii_mgmt_addr);
+ writel(MII_ADDR(addr, reg), &mac->mii_mgmt_addr);

/* Add the value to write to the registers to the mac */
writel(value, &mac->mii_mgmt_ctrl);
@@ -239,13 +255,13 @@ int et131x_mii_write(struct et131x_adapter *adapter, u8 xcvr_reg, u16 value)
u16 tmp;

dev_warn(&adapter->pdev->dev,
- "xcvrReg 0x%08x could not be written", xcvr_reg);
+ "reg 0x%08x could not be written", reg);
dev_warn(&adapter->pdev->dev, "status is 0x%08x\n",
mii_indicator);
dev_warn(&adapter->pdev->dev, "command is 0x%08x\n",
readl(&mac->mii_mgmt_cmd));

- et131x_mii_read(adapter, xcvr_reg, &tmp);
+ et131x_mii_read(adapter, reg, &tmp);

status = -EIO;
}
@@ -262,36 +278,6 @@ int et131x_mii_write(struct et131x_adapter *adapter, u8 xcvr_reg, u16 value)
return status;
}

-/**
- * et131x_xcvr_find - Find the PHY ID
- * @adapter: pointer to our private adapter structure
- *
- * Returns 0 on success, errno on failure (as defined in errno.h)
- */
-int et131x_xcvr_find(struct et131x_adapter *adapter)
-{
- u8 xcvr_addr;
- u16 idr1;
- u16 idr2;
-
- /* We need to get xcvr id and address we just get the first one */
- for (xcvr_addr = 0; xcvr_addr < 32; xcvr_addr++) {
- /* Read the ID from the PHY */
- et131x_phy_mii_read(adapter, xcvr_addr,
- (u8) offsetof(struct mi_regs, idr1),
- &idr1);
- et131x_phy_mii_read(adapter, xcvr_addr,
- (u8) offsetof(struct mi_regs, idr2),
- &idr2);
-
- if (idr1 != 0 && idr1 != 0xffff) {
- adapter->stats.xcvr_addr = xcvr_addr;
- return 0;
- }
- }
- return -ENODEV;
-}
-
void et1310_phy_reset(struct et131x_adapter *adapter)
{
et131x_mii_write(adapter, PHY_CONTROL, 0x8000);
diff --git a/drivers/staging/et131x/et131x.h b/drivers/staging/et131x/et131x.h
index 9dee7bc..763396a 100644
--- a/drivers/staging/et131x/et131x.h
+++ b/drivers/staging/et131x/et131x.h
@@ -59,7 +59,7 @@ void et131x_align_allocated_memory(struct et131x_adapter *adapter,
u64 *phys_addr,
u64 *offset, u64 mask);

-int et131x_adapter_setup(struct et131x_adapter *adapter);
+void et131x_adapter_setup(struct et131x_adapter *adapter);
int et131x_adapter_memory_alloc(struct et131x_adapter *adapter);
void et131x_adapter_memory_free(struct et131x_adapter *adapter);
void et131x_hwaddr_init(struct et131x_adapter *adapter);
@@ -104,16 +104,13 @@ void et131x_setphy_normal(struct et131x_adapter *adapter);
/* static inline function does not work because et131x_adapter is not always
* defined
*/
-int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 xcvrAddr,
- u8 xcvrReg, u16 *value);
-#define et131x_mii_read(adapter, xcvrReg, value) \
- et131x_phy_mii_read((adapter), \
- (adapter)->stats.xcvr_addr, \
- (xcvrReg), (value))
-
+int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 addr,
+ u8 reg, u16 *value);
+int32_t et131x_mii_read(struct et131x_adapter *adapter,
+ u8 reg, u16 *value);
int32_t et131x_mii_write(struct et131x_adapter *adapter,
- u8 xcvReg, u16 value);
-void et131x_mii_check(struct et131x_adapter *pAdapter,
+ u8 reg, u16 value);
+void et131x_mii_check(struct et131x_adapter *adapter,
u16 bmsr, u16 bmsr_ints);

int et131x_mdio_read(struct mii_bus *bus, int phy_addr, int reg);
diff --git a/drivers/staging/et131x/et131x_adapter.h b/drivers/staging/et131x/et131x_adapter.h
index dbb14fe..fbefd2e 100644
--- a/drivers/staging/et131x/et131x_adapter.h
+++ b/drivers/staging/et131x/et131x_adapter.h
@@ -113,9 +113,6 @@ struct ce_stats {
atomic_t broadcast_pkts_xmtd;
u32 rcvd_pkts_dropped;

- /* Transceiver state informations. */
- u8 xcvr_addr;
-
/* Tx Statistics. */
u32 tx_underflows;

diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c
index fbbef76..66cf1ce 100644
--- a/drivers/staging/et131x/et131x_initpci.c
+++ b/drivers/staging/et131x/et131x_initpci.c
@@ -328,10 +328,8 @@ void et131x_configure_global_regs(struct et131x_adapter *adapter)
*
* Returns 0 on success, errno on failure (as defined in errno.h)
*/
-int et131x_adapter_setup(struct et131x_adapter *adapter)
+void et131x_adapter_setup(struct et131x_adapter *adapter)
{
- int status;
-
/* Configure the JAGCore */
et131x_configure_global_regs(adapter);

@@ -349,12 +347,6 @@ int et131x_adapter_setup(struct et131x_adapter *adapter)

et1310_config_macstat_regs(adapter);

- /* Move the following code to Timer function?? */
- status = et131x_xcvr_find(adapter);
-
- if (status)
- dev_warn(&adapter->pdev->dev, "Could not find the xcvr\n");
-
/* Prepare the TRUEPHY library. */
et1310_phy_init(adapter);

@@ -377,7 +369,6 @@ int et131x_adapter_setup(struct et131x_adapter *adapter)
et1310_phy_power_down(adapter, 0);

et131x_setphy_normal(adapter);
- return status;
}

/**
@@ -493,9 +484,7 @@ static void et131x_adjust_link(struct net_device *netdev)
et1310_disable_phy_coma(adapter);
}

- et131x_mii_read(adapter,
- (uint8_t) offsetof(struct mi_regs, bmsr),
- &bmsr_data);
+ et131x_phy_mii_read(adapter, phydev->addr, MII_BMSR, &bmsr_data);

bmsr_ints = adapter->bmsr ^ bmsr_data;
adapter->bmsr = bmsr_data;
--
1.7.6


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