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Commit 77a99394 authored by Zhao Qiang's avatar Zhao Qiang Committed by David S. Miller
Browse files

phy/at8031: enable at8031 to work on interrupt mode 



The at8031 can work on polling mode and interrupt mode.
Add ack_interrupt and config intr funcs to enable
interrupt mode for it.

Signed-off-by: default avatarZhao Qiang <B45475@freescale.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 437de07c

drivers/net/phy/at803x.c

+30 −0
Original line number Diff line number Diff line
@@ -27,6 +27,9 @@ 
#define AT803X_MMD_ACCESS_CONTROL		0x0D

#define AT803X_MMD_ACCESS_CONTROL_DATA		0x0E

#define AT803X_FUNC_DATA			0x4003

#define AT803X_INER				0x0012

#define AT803X_INER_INIT			0xec00

#define AT803X_INSR				0x0013

#define AT803X_DEBUG_ADDR			0x1D

#define AT803X_DEBUG_DATA			0x1E

#define AT803X_DEBUG_SYSTEM_MODE_CTRL		0x05
@@ -191,6 +194,31 @@ static int at803x_config_init(struct phy_device *phydev) 
	return 0;

}



static int at803x_ack_interrupt(struct phy_device *phydev)

{

	int err;



	err = phy_read(phydev, AT803X_INSR);



	return (err < 0) ? err : 0;

}



static int at803x_config_intr(struct phy_device *phydev)

{

	int err;

	int value;



	value = phy_read(phydev, AT803X_INER);



	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)

		err = phy_write(phydev, AT803X_INER,

				value | AT803X_INER_INIT);

	else

		err = phy_write(phydev, AT803X_INER, 0);



	return err;

}



static struct phy_driver at803x_driver[] = {

{

	/* ATHEROS 8035 */
@@ -240,6 +268,8 @@ static struct phy_driver at803x_driver[] = { 
	.flags		= PHY_HAS_INTERRUPT,

	.config_aneg	= genphy_config_aneg,

	.read_status	= genphy_read_status,

	.ack_interrupt  = &at803x_ack_interrupt,

	.config_intr    = &at803x_config_intr,

	.driver		= {

		.owner = THIS_MODULE,

	},