diff options
| author | Zhao Qiang <B45475@freescale.com> | 2014-03-21 06:59:17 (GMT) |
|---|---|---|
| committer | Jose Rivera <German.Rivera@freescale.com> | 2014-03-28 00:23:33 (GMT) |
| commit | 224220a55c6b7254739840fadbf3a79722821b1b (patch) | |
| tree | 3bb0e9e66c2567a4af5aa078acc410e64602ac3a /drivers/net/phy | |
| parent | c67671a1397ec5ce26cd9e9706f7f5233b17208a (diff) | |
| download | linux-fsl-qoriq-224220a55c6b7254739840fadbf3a79722821b1b.tar.xz | |
powerpc/phy: add config function to enable interrupt AT8033
AT8033 can't work well with auto-negotiation.
Add .config_intr and .ack_interrupt functions for at8033_driver
to config AT8033 to enable interrupt for auto-negotiation.
Signed-off-by: Zhao Qiang <B45475@freescale.com>
Change-Id: I47b539cf5fc9da52c6980e95e1bd105621abf102
Reviewed-on: http://git.am.freescale.net:8181/10282
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Xiaobo Xie <X.Xie@freescale.com>
Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
Diffstat (limited to 'drivers/net/phy')
| -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 36b8b81..5124d3e 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, value); + + return err; +} + static struct phy_driver at803x_driver[] = { { /* ATHEROS 8035 */ @@ -219,6 +247,8 @@ 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, }, |