net: phy: amd: implement generic .handle_interrupt() callback (d995a36b) · Commits · 戴 / test

drivers/net/phy/amd.c

+23 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,10 @@
		#define MII_AM79C_IR_EN_ANEG 0x0100 /* IR enable Aneg Complete */
		#define MII_AM79C_IR_IMASK_INIT (MII_AM79C_IR_EN_LINK \| MII_AM79C_IR_EN_ANEG)

		#define MII_AM79C_IR_LINK_DOWN BIT(2)
		#define MII_AM79C_IR_ANEG_DONE BIT(0)
		#define MII_AM79C_IR_IMASK_STAT (MII_AM79C_IR_LINK_DOWN \| MII_AM79C_IR_ANEG_DONE)

		MODULE_DESCRIPTION("AMD PHY driver");
		MODULE_AUTHOR("Heiko Schocher <hs@denx.de>");
		MODULE_LICENSE("GPL");
		@@ -56,6 +60,24 @@ static int am79c_config_intr(struct phy_device *phydev)
		return err;
		}

		static irqreturn_t am79c_handle_interrupt(struct phy_device *phydev)
		{
		int irq_status;

		irq_status = phy_read(phydev, MII_AM79C_IR);
		if (irq_status < 0) {
		phy_error(phydev);
		return IRQ_NONE;
		}

		if (!(irq_status & MII_AM79C_IR_IMASK_STAT))
		return IRQ_NONE;

		phy_trigger_machine(phydev);

		return IRQ_HANDLED;
		}

		static struct phy_driver am79c_driver[] = { {
		.phy_id = PHY_ID_AM79C874,
		.name = "AM79C874",
		@@ -64,6 +86,7 @@ static struct phy_driver am79c_driver[] = { {
		.config_init = am79c_config_init,
		.ack_interrupt = am79c_ack_interrupt,
		.config_intr = am79c_config_intr,
		.handle_interrupt = am79c_handle_interrupt,
		} };

		module_phy_driver(am79c_driver);