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cxgb3: commnonize LASI phy code

Forráskód böngészése 
Add generic code to manage interrupt driven PHYs.
Do not reset the phy after link parameters update,
the new values might get lost.
Return early from link change notification
when the link parameters remain unchanged.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Divy Le Ray
2008-10-08 17:39:31 -07:00
committed by David S. Miller
szülő f231e0a5a2
commit 9b1e36566c
4 fájl változott, egészen pontosan 77 új sor hozzáadva és 48 régi sor törölve
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46
drivers/net/cxgb3/ael1002.c
Fájl megtekintése

@@ -39,9 +39,6 @@ enum {
AEL1002_PWR_DOWN_LO = 0xc012,
AEL1002_XFI_EQL = 0xc015,
AEL1002_LB_EN = 0xc017,
LASI_CTRL = 0x9002,
LASI_STAT = 0x9005
};
static void ael100x_txon(struct cphy *phy)
@@ -134,33 +131,6 @@ static int ael1006_reset(struct cphy *phy, int wait)
return t3_phy_reset(phy, MDIO_DEV_PMA_PMD, wait);
}
static int ael1006_intr_enable(struct cphy *phy)
{
return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 1);
}
static int ael1006_intr_disable(struct cphy *phy)
{
return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 0);
}
static int ael1006_intr_clear(struct cphy *phy)
{
u32 val;
return mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &val);
}
static int ael1006_intr_handler(struct cphy *phy)
{
unsigned int status;
int err = mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &status);
if (err)
return err;
return (status & 1) ? cphy_cause_link_change : 0;
}
static int ael1006_power_down(struct cphy *phy, int enable)
{
return t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, MII_BMCR,
@@ -169,10 +139,10 @@ static int ael1006_power_down(struct cphy *phy, int enable)
static struct cphy_ops ael1006_ops = {
.reset = ael1006_reset,
.intr_enable = ael1006_intr_enable,
.intr_disable = ael1006_intr_disable,
.intr_clear = ael1006_intr_clear,
.intr_handler = ael1006_intr_handler,
.intr_enable = t3_phy_lasi_intr_enable,
.intr_disable = t3_phy_lasi_intr_disable,
.intr_clear = t3_phy_lasi_intr_clear,
.intr_handler = t3_phy_lasi_intr_handler,
.get_link_status = ael100x_get_link_status,
.power_down = ael1006_power_down,
};
@@ -189,10 +159,10 @@ int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
static struct cphy_ops qt2045_ops = {
.reset = ael1006_reset,
.intr_enable = ael1006_intr_enable,
.intr_disable = ael1006_intr_disable,
.intr_clear = ael1006_intr_clear,
.intr_handler = ael1006_intr_handler,
.intr_enable = t3_phy_lasi_intr_enable,
.intr_disable = t3_phy_lasi_intr_disable,
.intr_clear = t3_phy_lasi_intr_clear,
.intr_handler = t3_phy_lasi_intr_handler,
.get_link_status = ael100x_get_link_status,
.power_down = ael1006_power_down,
};