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path: root/drivers/net/phy/meson-gxl.c
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Diffstat (limited to 'drivers/net/phy/meson-gxl.c')
-rw-r--r--drivers/net/phy/meson-gxl.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
index 7e7904fee1d9..73f7962a37d3 100644
--- a/drivers/net/phy/meson-gxl.c
+++ b/drivers/net/phy/meson-gxl.c
@@ -30,8 +30,12 @@
#define INTSRC_LINK_DOWN BIT(4)
#define INTSRC_REMOTE_FAULT BIT(5)
#define INTSRC_ANEG_COMPLETE BIT(6)
+#define INTSRC_ENERGY_DETECT BIT(7)
#define INTSRC_MASK 30
+#define INT_SOURCES (INTSRC_LINK_DOWN | INTSRC_ANEG_COMPLETE | \
+ INTSRC_ENERGY_DETECT)
+
#define BANK_ANALOG_DSP 0
#define BANK_WOL 1
#define BANK_BIST 3
@@ -200,7 +204,6 @@ static int meson_gxl_ack_interrupt(struct phy_device *phydev)
static int meson_gxl_config_intr(struct phy_device *phydev)
{
- u16 val;
int ret;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
@@ -209,16 +212,9 @@ static int meson_gxl_config_intr(struct phy_device *phydev)
if (ret)
return ret;
- val = INTSRC_ANEG_PR
- | INTSRC_PARALLEL_FAULT
- | INTSRC_ANEG_LP_ACK
- | INTSRC_LINK_DOWN
- | INTSRC_REMOTE_FAULT
- | INTSRC_ANEG_COMPLETE;
- ret = phy_write(phydev, INTSRC_MASK, val);
+ ret = phy_write(phydev, INTSRC_MASK, INT_SOURCES);
} else {
- val = 0;
- ret = phy_write(phydev, INTSRC_MASK, val);
+ ret = phy_write(phydev, INTSRC_MASK, 0);
/* Ack any pending IRQ */
ret = meson_gxl_ack_interrupt(phydev);
@@ -237,10 +233,23 @@ static irqreturn_t meson_gxl_handle_interrupt(struct phy_device *phydev)
return IRQ_NONE;
}
+ irq_status &= INT_SOURCES;
+
if (irq_status == 0)
return IRQ_NONE;
- phy_trigger_machine(phydev);
+ /* Aneg-complete interrupt is used for link-up detection */
+ if (phydev->autoneg == AUTONEG_ENABLE &&
+ irq_status == INTSRC_ENERGY_DETECT)
+ return IRQ_HANDLED;
+
+ /* Give PHY some time before MAC starts sending data. This works
+ * around an issue where network doesn't come up properly.
+ */
+ if (!(irq_status & INTSRC_LINK_DOWN))
+ phy_queue_state_machine(phydev, msecs_to_jiffies(100));
+ else
+ phy_trigger_machine(phydev);
return IRQ_HANDLED;
}