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path: root/drivers/net/phy/smsc.c
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Diffstat (limited to 'drivers/net/phy/smsc.c')
-rw-r--r--drivers/net/phy/smsc.c59
1 files changed, 45 insertions, 14 deletions
diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c
index d8cac02a79b9..1b54684b68a0 100644
--- a/drivers/net/phy/smsc.c
+++ b/drivers/net/phy/smsc.c
@@ -44,6 +44,7 @@ static struct smsc_hw_stat smsc_hw_stats[] = {
};
struct smsc_phy_priv {
+ u16 intmask;
bool energy_enable;
struct clk *refclk;
};
@@ -58,7 +59,6 @@ static int smsc_phy_ack_interrupt(struct phy_device *phydev)
static int smsc_phy_config_intr(struct phy_device *phydev)
{
struct smsc_phy_priv *priv = phydev->priv;
- u16 intmask = 0;
int rc;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
@@ -66,12 +66,15 @@ static int smsc_phy_config_intr(struct phy_device *phydev)
if (rc)
return rc;
- intmask = MII_LAN83C185_ISF_INT4 | MII_LAN83C185_ISF_INT6;
+ priv->intmask = MII_LAN83C185_ISF_INT4 | MII_LAN83C185_ISF_INT6;
if (priv->energy_enable)
- intmask |= MII_LAN83C185_ISF_INT7;
- rc = phy_write(phydev, MII_LAN83C185_IM, intmask);
+ priv->intmask |= MII_LAN83C185_ISF_INT7;
+
+ rc = phy_write(phydev, MII_LAN83C185_IM, priv->intmask);
} else {
- rc = phy_write(phydev, MII_LAN83C185_IM, intmask);
+ priv->intmask = 0;
+
+ rc = phy_write(phydev, MII_LAN83C185_IM, 0);
if (rc)
return rc;
@@ -83,21 +86,18 @@ static int smsc_phy_config_intr(struct phy_device *phydev)
static irqreturn_t smsc_phy_handle_interrupt(struct phy_device *phydev)
{
- int irq_status, irq_enabled;
-
- irq_enabled = phy_read(phydev, MII_LAN83C185_IM);
- if (irq_enabled < 0) {
- phy_error(phydev);
- return IRQ_NONE;
- }
+ struct smsc_phy_priv *priv = phydev->priv;
+ int irq_status;
irq_status = phy_read(phydev, MII_LAN83C185_ISF);
if (irq_status < 0) {
- phy_error(phydev);
+ if (irq_status != -ENODEV)
+ phy_error(phydev);
+
return IRQ_NONE;
}
- if (!(irq_status & irq_enabled))
+ if (!(irq_status & priv->intmask))
return IRQ_NONE;
phy_trigger_machine(phydev);
@@ -483,6 +483,36 @@ static struct phy_driver smsc_phy_driver[] = {
.suspend = genphy_suspend,
.resume = genphy_resume,
+}, {
+ .phy_id = 0x0007c130, /* 0x0007c130 and 0x0007c131 */
+ /* This mask (0xfffffff2) is to differentiate from
+ * LAN88xx (phy_id 0x0007c132)
+ * and allows future phy_id revisions.
+ */
+ .phy_id_mask = 0xfffffff2,
+ .name = "Microchip LAN8742",
+
+ /* PHY_BASIC_FEATURES */
+ .flags = PHY_RST_AFTER_CLK_EN,
+
+ .probe = smsc_phy_probe,
+
+ /* basic functions */
+ .read_status = lan87xx_read_status,
+ .config_init = smsc_phy_config_init,
+ .soft_reset = smsc_phy_reset,
+
+ /* IRQ related */
+ .config_intr = smsc_phy_config_intr,
+ .handle_interrupt = smsc_phy_handle_interrupt,
+
+ /* Statistics */
+ .get_sset_count = smsc_get_sset_count,
+ .get_strings = smsc_get_strings,
+ .get_stats = smsc_get_stats,
+
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
} };
module_phy_driver(smsc_phy_driver);
@@ -498,6 +528,7 @@ static struct mdio_device_id __maybe_unused smsc_tbl[] = {
{ 0x0007c0d0, 0xfffffff0 },
{ 0x0007c0f0, 0xfffffff0 },
{ 0x0007c110, 0xfffffff0 },
+ { 0x0007c130, 0xfffffff2 },
{ }
};