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[RFT,net-next,1/2] net: phy: Stop with excessive soft reset

Message ID 20180919013505.11347-2-f.fainelli@gmail.com
State RFC, archived
Delegated to: David Miller
Headers show
Series net: phy: Eliminate unnecessary soft | expand

Commit Message

Florian Fainelli Sept. 19, 2018, 1:35 a.m. UTC
While consolidating the PHY reset in phy_init_hw() an unconditionaly
BMCR soft-reset I became quite trigger happy with those. This was later
on deactivated for the Generic PHY driver on the premise that a prior
software entity (e.g: bootloader) might have applied workarounds in
commit 0878fff1f42c ("net: phy: Do not perform software reset for
Generic PHY").

Since we have a hook to wire-up a soft_reset callback, just use that and
get rid of the call to genphy_soft_reset() entirely. This speeds up
initialization and link establishment for most PHYs out there that do
not require a reset.

Fixes: 87aa9f9c61ad ("net: phy: consolidate PHY reset in phy_init_hw()")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/net/phy/phy_device.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index db1172db1e7c..9216d2f8e41e 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -880,8 +880,6 @@  int phy_init_hw(struct phy_device *phydev)
 
 	if (phydev->drv->soft_reset)
 		ret = phydev->drv->soft_reset(phydev);
-	else
-		ret = genphy_soft_reset(phydev);
 
 	if (ret < 0)
 		return ret;