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authorGeert Uytterhoeven <geert+renesas@glider.be>2018-02-12 14:40:00 +0100
committerDavid S. Miller <davem@davemloft.net>2018-02-12 11:45:59 -0500
commitdd62c236c0fe1166d037485494ec5ff6545480eb (patch)
tree1ba1361cd6f10b2613f467cc883c5c2766a0b6b6
parent18a5b052bb1ae77453c5e50fffe3470ced9ed82f (diff)
downloadlinux-dd62c236c0fe1166d037485494ec5ff6545480eb.tar.gz
ravb: Remove obsolete explicit clock handling for WoL
Currently, if Wake-on-LAN is enabled, the EtherAVB device's module clock
is manually kept running during system suspend, to make sure the device
stays active.

Since commit 91c719f5ec6671f7 ("soc: renesas: rcar-sysc: Keep wakeup
sources active during system suspend") , this workaround is no longer
needed.  Hence remove all explicit clock handling to keep the device
active.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/renesas/ravb_main.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index c87f57ca4437..a95fbd5510d9 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -2255,9 +2255,6 @@ static int ravb_wol_setup(struct net_device *ndev)
 	/* Enable MagicPacket */
 	ravb_modify(ndev, ECMR, ECMR_MPDE, ECMR_MPDE);
 
-	/* Increased clock usage so device won't be suspended */
-	clk_enable(priv->clk);
-
 	return enable_irq_wake(priv->emac_irq);
 }
 
@@ -2276,9 +2273,6 @@ static int ravb_wol_restore(struct net_device *ndev)
 	if (ret < 0)
 		return ret;
 
-	/* Restore clock usage count */
-	clk_disable(priv->clk);
-
 	return disable_irq_wake(priv->emac_irq);
 }