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| author |   Florian Fainelli <f.fainelli@gmail.com> | 2015-02-05 11:40:41 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-02-07 22:38:40 -0800 |
| commit | b083668c93e5bf889e6ec4761540be1accc3f1b1 (patch) | |
| tree | 17a7a133339559dd076e6c0a73da9ac9caff9513 | |
| parent | Merge tag 'nfc-next-3.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next (diff) | |
| download | linux-dev-b083668c93e5bf889e6ec4761540be1accc3f1b1.tar.xz linux-dev-b083668c93e5bf889e6ec4761540be1accc3f1b1.zip | |
net: dsa: bcm_sf2: move GPHY enabling to its own function
Move the code that touches the single GPHY register from
bcm_sf2_sw_resume() to a separate function since we will have to
enable/disable the GPHY from different locations, and we want the code
to be self-contained.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 09f6b3cc1f66..45c0e2b97f5f 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -233,6 +233,24 @@ static void bcm_sf2_eee_enable_set(struct dsa_switch *ds, int port, bool enable) core_writel(priv, reg, CORE_EEE_EN_CTRL); } +static void bcm_sf2_gphy_enable_set(struct dsa_switch *ds, bool enable) +{ + struct bcm_sf2_priv *priv = ds_to_priv(ds); + u32 reg; + + if (!enable) + return; + + reg = reg_readl(priv, REG_SPHY_CNTRL); + reg |= PHY_RESET; + reg &= ~(EXT_PWR_DOWN | IDDQ_BIAS); + reg_writel(priv, reg, REG_SPHY_CNTRL); + udelay(21); + reg = reg_readl(priv, REG_SPHY_CNTRL); + reg &= ~PHY_RESET; + reg_writel(priv, reg, REG_SPHY_CNTRL); +} + static int bcm_sf2_port_setup(struct dsa_switch *ds, int port, struct phy_device *phy) { @@ -771,7 +789,6 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds) { struct bcm_sf2_priv *priv = ds_to_priv(ds); unsigned int port; - u32 reg; int ret; ret = bcm_sf2_sw_rst(priv); @@ -780,17 +797,8 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds) return ret; } - /* Reinitialize the single GPHY */ - if (priv->hw_params.num_gphy == 1) { - reg = reg_readl(priv, REG_SPHY_CNTRL); - reg |= PHY_RESET; - reg &= ~(EXT_PWR_DOWN | IDDQ_BIAS); - reg_writel(priv, reg, REG_SPHY_CNTRL); - udelay(21); - reg = reg_readl(priv, REG_SPHY_CNTRL); - reg &= ~PHY_RESET; - reg_writel(priv, reg, REG_SPHY_CNTRL); - } + if (priv->hw_params.num_gphy == 1) + bcm_sf2_gphy_enable_set(ds, true); for (port = 0; port < DSA_MAX_PORTS; port++) { if ((1 << port) & ds->phys_port_mask) |