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| author | Florian Fainelli <f.fainelli@gmail.com> | 2015-03-23 23:09:55 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-24 03:10:43 +0100 |
| commit | a9d608c153a28758e0cd11c907edbaf5cce47abc (patch) | |
| tree | 151255b92440cba1aab9651fb2754b464742772d /drivers/net/ethernet/broadcom/genet | |
| parent | net: bcmgenet: fix GPHY power-up sequence (diff) | |
| download | linux-a9d608c153a28758e0cd11c907edbaf5cce47abc.tar.xz linux-a9d608c153a28758e0cd11c907edbaf5cce47abc.zip | |
net: bcmgenet: implement GPHY power down sequence
Implement the GPHY power down sequence by setting all power down bits, putting
the GPHY in reset, and finally cutting the 25Mhz reference clock.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/genet')
| -rw-r--r-- | drivers/net/ethernet/broadcom/genet/bcmmii.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index c26c0757d755..3320219003fb 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -177,8 +177,8 @@ static void bcmgenet_phy_power_set(struct net_device *dev, bool enable) if (!GENET_IS_V4(priv)) return; + reg = bcmgenet_ext_readl(priv, EXT_GPHY_CTRL); if (enable) { - reg = bcmgenet_ext_readl(priv, EXT_GPHY_CTRL); reg &= ~EXT_CK25_DIS; bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL); mdelay(1); @@ -189,9 +189,14 @@ static void bcmgenet_phy_power_set(struct net_device *dev, bool enable) mdelay(1); reg &= ~EXT_GPHY_RESET; + } else { + reg |= EXT_CFG_IDDQ_BIAS | EXT_CFG_PWR_DOWN | EXT_GPHY_RESET; bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL); - udelay(60); + mdelay(1); + reg |= EXT_CK25_DIS; } + bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL); + udelay(60); } static void bcmgenet_internal_phy_setup(struct net_device *dev) |