[3/3] phylib: Add interrupt source check function to M88E1121R driver

Submitted by Anatolij Gustschin on April 7, 2009, 12:01 p.m.

Details

Message ID 1239105703-26240-3-git-send-email-agust@denx.de
State Accepted
Delegated to: David Miller
Headers show

Commit Message

Anatolij Gustschin April 7, 2009, 12:01 p.m.
Add did_interrupt() function to check if a PHY port
really caused an interrupt. This is needed in the case
of shared PHY interrupt pin configuration to stop
interrupt event processing for PHY ports which didn't
cause an interrupt.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
---
 drivers/net/phy/marvell.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

Comments

David Miller April 13, 2009, 9:51 p.m.
From: Anatolij Gustschin <agust@denx.de>
Date: Tue,  7 Apr 2009 14:01:43 +0200

> Add did_interrupt() function to check if a PHY port
> really caused an interrupt. This is needed in the case
> of shared PHY interrupt pin configuration to stop
> interrupt event processing for PHY ports which didn't
> cause an interrupt.
> 
> Signed-off-by: Anatolij Gustschin <agust@denx.de>

Applied.
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diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index e9f436b..7a3ec9d 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -458,6 +458,18 @@  static int marvell_read_status(struct phy_device *phydev)
 	return 0;
 }
 
+static int m88e1121_did_interrupt(struct phy_device *phydev)
+{
+	int imask;
+
+	imask = phy_read(phydev, MII_M1011_IEVENT);
+
+	if (imask & MII_M1011_IMASK_INIT)
+		return 1;
+
+	return 0;
+}
+
 static struct phy_driver marvell_drivers[] = {
 	{
 		.phy_id = 0x01410c60,
@@ -520,6 +532,7 @@  static struct phy_driver marvell_drivers[] = {
 		.read_status = &marvell_read_status,
 		.ack_interrupt = &marvell_ack_interrupt,
 		.config_intr = &marvell_config_intr,
+		.did_interrupt = &m88e1121_did_interrupt,
 		.driver = { .owner = THIS_MODULE },
 	},
 	{