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phy/at8031: enable at8031 to work on interrupt mode 

The at8031 can work on polling mode and interrupt mode.
Add ack_interrupt and config intr funcs to enable
interrupt mode for it.

Signed-off-by: Zhao Qiang <B45475@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zhao Qiang 2014-03-28 15:39:41 +08:00 committed by David S. Miller
parent 437de07ced
commit 77a9939426
1 changed files with 30 additions and 0 deletions
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30
drivers/net/phy/at803x.c
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@ -27,6 +27,9 @@
#define AT803X_MMD_ACCESS_CONTROL 0x0D
#define AT803X_MMD_ACCESS_CONTROL_DATA 0x0E
#define AT803X_FUNC_DATA 0x4003
#define AT803X_INER 0x0012
#define AT803X_INER_INIT 0xec00
#define AT803X_INSR 0x0013
#define AT803X_DEBUG_ADDR 0x1D
#define AT803X_DEBUG_DATA 0x1E
#define AT803X_DEBUG_SYSTEM_MODE_CTRL 0x05
@ -191,6 +194,31 @@ static int at803x_config_init(struct phy_device *phydev)
return 0;
}
static int at803x_ack_interrupt(struct phy_device *phydev)
{
int err;
err = phy_read(phydev, AT803X_INSR);
return (err < 0) ? err : 0;
}
static int at803x_config_intr(struct phy_device *phydev)
{
int err;
int value;
value = phy_read(phydev, AT803X_INER);
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
err = phy_write(phydev, AT803X_INER,
value | AT803X_INER_INIT);
else
err = phy_write(phydev, AT803X_INER, 0);
return err;
}
static struct phy_driver at803x_driver[] = {
{
/* ATHEROS 8035 */
@ -240,6 +268,8 @@ static struct phy_driver at803x_driver[] = {
.flags = PHY_HAS_INTERRUPT,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = &at803x_ack_interrupt,
.config_intr = &at803x_config_intr,
.driver = {
.owner = THIS_MODULE,
},