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net: phy: micrel: Add specific suspend

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Disable all interrupts when suspend, they will be enabled
when resume. Otherwise, the suspend/resume process will be
blocked occasionally.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wenyou Yang 2016-08-05 14:35:41 +08:00 committed by David S. Miller
parent a96d3b7593
commit 836384d250
1 changed files with 20 additions and 9 deletions
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29
drivers/net/phy/micrel.c
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@ -677,17 +677,28 @@ static void kszphy_get_stats(struct phy_device *phydev,
data[i] = kszphy_get_stat(phydev, i);
}
static int kszphy_suspend(struct phy_device *phydev)
{
/* Disable PHY Interrupts */
if (phy_interrupt_is_valid(phydev)) {
phydev->interrupts = PHY_INTERRUPT_DISABLED;
if (phydev->drv->config_intr)
phydev->drv->config_intr(phydev);
}
return genphy_suspend(phydev);
}
static int kszphy_resume(struct phy_device *phydev)
{
int value;
genphy_resume(phydev);
mutex_lock(&phydev->lock);
value = phy_read(phydev, MII_BMCR);
phy_write(phydev, MII_BMCR, value & ~BMCR_PDOWN);
kszphy_config_intr(phydev);
mutex_unlock(&phydev->lock);
/* Enable PHY Interrupts */
if (phy_interrupt_is_valid(phydev)) {
phydev->interrupts = PHY_INTERRUPT_ENABLED;
if (phydev->drv->config_intr)
phydev->drv->config_intr(phydev);
}
return 0;
}
@ -900,7 +911,7 @@ static struct phy_driver ksphy_driver[] = {
.get_sset_count = kszphy_get_sset_count,
.get_strings = kszphy_get_strings,
.get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.suspend = kszphy_suspend,
.resume = kszphy_resume,
}, {
.phy_id = PHY_ID_KSZ8061,