From: Gabor Juhos <juhosg@openwrt.org>
Date: Sun, 29 Apr 2012 18:29:24 +0000 (+0000)
Subject: ar71xx: allow to disable link polling on unused PHYs
X-Git-Tag: reboot~14094
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3e3a4d3d6b4c9d6e34ea887151db8df98d3db001;p=openwrt%2Fstaging%2Fxback.git

ar71xx: allow to disable link polling on unused PHYs

SVN-Revision: 31533
---

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
index d9880e0803..1e6b8b0a17 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -721,6 +721,8 @@ void __init ath79_register_eth(unsigned int id)
 			pdata->speed = SPEED_1000;
 			pdata->duplex = DUPLEX_FULL;
 			pdata->switch_data = &ath79_switch_data;
+
+			ath79_switch_data.phy_poll_mask |= BIT(4);
 		}
 		pdata->has_gbit = 1;
 		pdata->is_ar724x = 1;
@@ -776,6 +778,8 @@ void __init ath79_register_eth(unsigned int id)
 			pdata->speed = SPEED_1000;
 			pdata->duplex = DUPLEX_FULL;
 			pdata->switch_data = &ath79_switch_data;
+
+			ath79_switch_data.phy_poll_mask |= BIT(4);
 		}
 
 		pdata->has_gbit = 1;
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
index 43e67557ae..6e90ba4335 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h
@@ -19,6 +19,7 @@
 
 struct ag71xx_switch_platform_data {
 	u8		phy4_mii_en:1;
+	u8		phy_poll_mask;
 };
 
 struct ag71xx_platform_data {
diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
index fc8b6d53eb..49f077520b 100644
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar7240.c
@@ -1115,19 +1115,26 @@ static void link_function(struct work_struct *work) {
 	struct ag71xx *ag = container_of(work, struct ag71xx, link_work.work);
 	struct ar7240sw *as = ag->phy_priv;
 	unsigned long flags;
+	u8 mask;
 	int i;
 	int status = 0;
 
-	for (i = 0; i < as->swdev.ports; i++) {
-		int link = ar7240sw_phy_read(ag->mii_bus, i, MII_BMSR);
-		if(link & BMSR_LSTATUS) {
+	mask = ~as->swdata->phy_poll_mask;
+	for (i = 0; i < AR7240_NUM_PHYS; i++) {
+		int link;
+
+		if (!(mask & BIT(i)))
+			continue;
+
+		link = ar7240sw_phy_read(ag->mii_bus, i, MII_BMSR);
+		if (link & BMSR_LSTATUS) {
 			status = 1;
 			break;
 		}
 	}
 
 	spin_lock_irqsave(&ag->lock, flags);
-	if(status != ag->link) {
+	if (status != ag->link) {
 		ag->link = status;
 		ag71xx_link_adjust(ag);
 	}