From: Trent Piepho <tpiepho@freescale.com>
Date: Wed, 8 Oct 2008 22:46:57 +0000 (-0700)
Subject: phylib: Wake PHY state machine on interrupt
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0acb28396728f42b6b1553c85d27c37513796043;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

phylib: Wake PHY state machine on interrupt

This way the phy layer will respond to a change in phy state immediately,
instead of up to one second later when the state machine timer runs.

Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 0433fcd0094..20cc82c7813 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -729,6 +729,12 @@ static void phy_change(struct work_struct *work)
 	if (err)
 		goto irq_enable_err;
 
+	/* Stop timer and run the state queue now.  The work function for
+	 * state_queue will start the timer up again.
+	 */
+	del_timer(&phydev->phy_timer);
+	schedule_work(&phydev->state_queue);
+
 	return;
 
 irq_enable_err: