lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <20190402095040.GB3354@kwain> Date: Tue, 2 Apr 2019 11:50:40 +0200 From: Antoine Tenart <antoine.tenart@...tlin.com> To: Heiner Kallweit <hkallweit1@...il.com> Cc: Antoine Tenart <antoine.tenart@...tlin.com>, davem@...emloft.net, linux@...linux.org.uk, andrew@...n.ch, f.fainelli@...il.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com, maxime.chevallier@...tlin.com, gregory.clement@...tlin.com, miquel.raynal@...tlin.com, nadavh@...vell.com, stefanc@...vell.com, mw@...ihalf.com Subject: Re: [PATCH net-next v3 1/2] net: phy: marvell10g: implement suspend/resume callbacks Hi Heiner, On Fri, Mar 29, 2019 at 10:32:02PM +0100, Heiner Kallweit wrote: > On 26.03.2019 15:53, Antoine Tenart wrote: > > This patch adds the suspend/resume callbacks for Marvell 10G PHYs. The > > three PCS (base-t, base-r and 1000base-x) are set in low power (the PCS > > are powered down) when the PHY isn't used. > > > > Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com> > > Reviewed-by: Andrew Lunn <andrew@...n.ch> > > --- > > drivers/net/phy/marvell10g.c | 14 ++++++++++++++ > > 1 file changed, 14 insertions(+) > > > > diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c > > index 100b401b1f4a..b56cd35182d5 100644 > > --- a/drivers/net/phy/marvell10g.c > > +++ b/drivers/net/phy/marvell10g.c > > @@ -226,11 +226,25 @@ static int mv3310_probe(struct phy_device *phydev) > > > > static int mv3310_suspend(struct phy_device *phydev) > > { > > + phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_T + MDIO_CTRL1, > > + MDIO_CTRL1_LPOWER, MDIO_CTRL1_LPOWER); > > + phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_BASE_R + MDIO_CTRL1, > > + MDIO_CTRL1_LPOWER, MDIO_CTRL1_LPOWER); > > + phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_1000BASEX + MDIO_CTRL1, > > + MDIO_CTRL1_LPOWER, MDIO_CTRL1_LPOWER); > > + > When you re-submit this series, in addition to my previous comment: > Instead of phy_modify_mmd() it would be clearer to use > phy_set/clear_bits_mmd(). And checking the return value wouldn't hurt. OK, will do. Thanks! Antoine -- Antoine Ténart, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
Powered by blists - more mailing lists