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net: phy: micrel: refactor interrupt config

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Add generic interrupt-config callback and store interrupt-level bitmask
in type data for PHY types not using bit 9.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johan Hovold 2014-11-19 12:59:22 +01:00 committed by David S. Miller
parent c3a8e1eddd
commit c6f9575cc8
1 changed files with 30 additions and 43 deletions
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73
drivers/net/phy/micrel.c
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@ -55,8 +55,6 @@
#define MII_KSZPHY_CTRL MII_KSZPHY_CTRL_2
/* bitmap of PHY register to set interrupt mode */
#define KSZPHY_CTRL_INT_ACTIVE_HIGH BIT(9)
#define KSZ9021_CTRL_INT_ACTIVE_HIGH BIT(14)
#define KS8737_CTRL_INT_ACTIVE_HIGH BIT(14)
#define KSZPHY_RMII_REF_CLK_SEL BIT(7)
/* Write/read to/from extended registers */
@ -75,6 +73,7 @@
struct kszphy_type {
u32 led_mode_reg;
u16 interrupt_level_mask;
bool has_broadcast_disable;
bool has_rmii_ref_clk_sel;
};
@ -105,6 +104,14 @@ static const struct kszphy_type ksz8081_type = {
.has_rmii_ref_clk_sel = true,
};
static const struct kszphy_type ks8737_type = {
.interrupt_level_mask = BIT(14),
};
static const struct kszphy_type ksz9021_type = {
.interrupt_level_mask = BIT(14),
};
static int kszphy_extended_write(struct phy_device *phydev,
u32 regnum, u16 val)
{
@ -129,54 +136,31 @@ static int kszphy_ack_interrupt(struct phy_device *phydev)
return (rc < 0) ? rc : 0;
}
static int kszphy_set_interrupt(struct phy_device *phydev)
{
int temp;
temp = (PHY_INTERRUPT_ENABLED == phydev->interrupts) ?
KSZPHY_INTCS_ALL : 0;
return phy_write(phydev, MII_KSZPHY_INTCS, temp);
}
static int kszphy_config_intr(struct phy_device *phydev)
{
int temp, rc;
const struct kszphy_type *type = phydev->drv->driver_data;
int temp;
u16 mask;
if (type && type->interrupt_level_mask)
mask = type->interrupt_level_mask;
else
mask = KSZPHY_CTRL_INT_ACTIVE_HIGH;
/* set the interrupt pin active low */
temp = phy_read(phydev, MII_KSZPHY_CTRL);
if (temp < 0)
return temp;
temp &= ~KSZPHY_CTRL_INT_ACTIVE_HIGH;
temp &= ~mask;
phy_write(phydev, MII_KSZPHY_CTRL, temp);
rc = kszphy_set_interrupt(phydev);
return rc < 0 ? rc : 0;
}
static int ksz9021_config_intr(struct phy_device *phydev)
{
int temp, rc;
/* enable / disable interrupts */
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
temp = KSZPHY_INTCS_ALL;
else
temp = 0;
/* set the interrupt pin active low */
temp = phy_read(phydev, MII_KSZPHY_CTRL);
if (temp < 0)
return temp;
temp &= ~KSZ9021_CTRL_INT_ACTIVE_HIGH;
phy_write(phydev, MII_KSZPHY_CTRL, temp);
rc = kszphy_set_interrupt(phydev);
return rc < 0 ? rc : 0;
}
static int ks8737_config_intr(struct phy_device *phydev)
{
int temp, rc;
/* set the interrupt pin active low */
temp = phy_read(phydev, MII_KSZPHY_CTRL);
if (temp < 0)
return temp;
temp &= ~KS8737_CTRL_INT_ACTIVE_HIGH;
phy_write(phydev, MII_KSZPHY_CTRL, temp);
rc = kszphy_set_interrupt(phydev);
return rc < 0 ? rc : 0;
return phy_write(phydev, MII_KSZPHY_INTCS, temp);
}
static int kszphy_rmii_clk_sel(struct phy_device *phydev, bool val)
@ -581,11 +565,12 @@ static struct phy_driver ksphy_driver[] = {
.name = "Micrel KS8737",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
.driver_data = &ks8737_type,
.config_init = kszphy_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = ks8737_config_intr,
.config_intr = kszphy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@ -726,11 +711,12 @@ static struct phy_driver ksphy_driver[] = {
.name = "Micrel KSZ9021 Gigabit PHY",
.features = (PHY_GBIT_FEATURES | SUPPORTED_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
.driver_data = &ksz9021_type,
.config_init = ksz9021_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = ksz9021_config_intr,
.config_intr = kszphy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.read_mmd_indirect = ksz9021_rd_mmd_phyreg,
@ -742,11 +728,12 @@ static struct phy_driver ksphy_driver[] = {
.name = "Micrel KSZ9031 Gigabit PHY",
.features = (PHY_GBIT_FEATURES | SUPPORTED_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
.driver_data = &ksz9021_type,
.config_init = ksz9031_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = ksz9021_config_intr,
.config_intr = kszphy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, },