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| author | Zhao Qiang <B45475@freescale.com> | 2014-03-28 15:39:41 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-03-29 18:20:30 -0400 |
| commit | 77a9939426f7a3f35f460afc9b11f1fe45955409 (patch) | |
| tree | 8b683bc0b6fe719d857dcbb99a927cd36780f6cc | |
| parent | 437de07ced703c2d171b43bd63cf47e0af09a241 (diff) | |
| download | linux-stable-77a9939426f7a3f35f460afc9b11f1fe45955409.tar.gz linux-stable-77a9939426f7a3f35f460afc9b11f1fe45955409.tar.bz2 linux-stable-77a9939426f7a3f35f460afc9b11f1fe45955409.zip | |
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>
| -rw-r--r-- | drivers/net/phy/at803x.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index bc71947b1ec3..643464d5a727 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -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, }, |