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Date: Mon, 29 Nov 2010 09:41:59 -0800
From: Joe Perches <joe@...ches.com>
To: netdev@...r.kernel.org
Cc: Ben Hutchings <bhutchings@...arflare.com>,
Szymon Janc <szymon@...c.net.pl>,
Michał Mirosław <mirqus@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH 08/11] forcedeth: Separate vendor specific initializations into functions
Neaten the phy_init function by adding and calling vendor
specific functions.
object size is reduced by ~1kb:
$ size drivers/net/forcedeth.o.*
text data bss dec hex filename
83475 1848 19304 104627 198b3 drivers/net/forcedeth.o.new
84459 1848 19544 105851 19d7b drivers/net/forcedeth.o.old
Signed-off-by: Joe Perches <joe@...ches.com>
---
drivers/net/forcedeth.c | 367 ++++++++++++++++++++++++-----------------------
1 files changed, 188 insertions(+), 179 deletions(-)
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 300748c..0b1d562 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -1198,21 +1198,179 @@ static int init_realtek_8211b(struct net_device *dev, struct fe_priv *np)
int i;
for (i = 0; i < ARRAY_SIZE(ri); i++) {
- if (mii_rw(dev, np->phyaddr, ri[i].reg, ri[i].init)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
+ if (mii_rw(dev, np->phyaddr, ri[i].reg, ri[i].init))
+ return PHY_ERROR;
+ }
+
+ return 0;
+}
+
+static int init_realtek_8211c(struct net_device *dev, struct fe_priv *np)
+{
+ u32 reg;
+ u8 __iomem *base = get_hwbase(dev);
+ u32 powerstate = readl(base + NvRegPowerState2);
+
+ /* need to perform hw phy reset */
+ powerstate |= NVREG_POWERSTATE2_PHY_RESET;
+ writel(powerstate, base + NvRegPowerState2);
+ msleep(25);
+
+ powerstate &= ~NVREG_POWERSTATE2_PHY_RESET;
+ writel(powerstate, base + NvRegPowerState2);
+ msleep(25);
+
+ reg = mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, MII_READ);
+ reg |= PHY_REALTEK_INIT9;
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, reg))
+ return PHY_ERROR;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT10))
+ return PHY_ERROR;
+ reg = mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG7, MII_READ);
+ if (!(reg & PHY_REALTEK_INIT11)) {
+ reg |= PHY_REALTEK_INIT11;
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG7, reg))
+ return PHY_ERROR;
+ }
+ if (mii_rw(dev, np->phyaddr,
+ PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1))
+ return PHY_ERROR;
+
+ return 0;
+}
+
+static int init_realtek_8201(struct net_device *dev, struct fe_priv *np)
+{
+ u32 phy_reserved;
+
+ if (np->driver_data & DEV_NEED_PHY_INIT_FIX) {
+ phy_reserved = mii_rw(dev, np->phyaddr,
+ PHY_REALTEK_INIT_REG6, MII_READ);
+ phy_reserved |= PHY_REALTEK_INIT7;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_REALTEK_INIT_REG6, phy_reserved))
return PHY_ERROR;
- }
}
return 0;
}
+static int init_realtek_8201_cross(struct net_device *dev, struct fe_priv *np)
+{
+ u32 phy_reserved;
+
+ if (phy_cross == NV_CROSSOVER_DETECTION_DISABLED) {
+ if (mii_rw(dev, np->phyaddr,
+ PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT3))
+ return PHY_ERROR;
+ phy_reserved = mii_rw(dev, np->phyaddr,
+ PHY_REALTEK_INIT_REG2, MII_READ);
+ phy_reserved &= ~PHY_REALTEK_INIT_MSK1;
+ phy_reserved |= PHY_REALTEK_INIT3;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_REALTEK_INIT_REG2, phy_reserved))
+ return PHY_ERROR;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1))
+ return PHY_ERROR;
+ }
+
+ return 0;
+}
+
+static int init_cicada(struct net_device *dev, struct fe_priv *np,
+ u32 phyinterface)
+{
+ u32 phy_reserved;
+
+ if (phyinterface & PHY_RGMII) {
+ phy_reserved = mii_rw(dev, np->phyaddr, MII_RESV1, MII_READ);
+ phy_reserved &= ~(PHY_CICADA_INIT1 | PHY_CICADA_INIT2);
+ phy_reserved |= (PHY_CICADA_INIT3 | PHY_CICADA_INIT4);
+ if (mii_rw(dev, np->phyaddr, MII_RESV1, phy_reserved))
+ return PHY_ERROR;
+ phy_reserved = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ);
+ phy_reserved |= PHY_CICADA_INIT5;
+ if (mii_rw(dev, np->phyaddr, MII_NCONFIG, phy_reserved))
+ return PHY_ERROR;
+ }
+ phy_reserved = mii_rw(dev, np->phyaddr, MII_SREVISION, MII_READ);
+ phy_reserved |= PHY_CICADA_INIT6;
+ if (mii_rw(dev, np->phyaddr, MII_SREVISION, phy_reserved))
+ return PHY_ERROR;
+
+ return 0;
+}
+
+static int init_vitesse(struct net_device *dev, struct fe_priv *np)
+{
+ u32 phy_reserved;
+
+ if (mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG1, PHY_VITESSE_INIT1))
+ return PHY_ERROR;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT2))
+ return PHY_ERROR;
+ phy_reserved = mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG4, MII_READ);
+ if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved))
+ return PHY_ERROR;
+ phy_reserved = mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG3, MII_READ);
+ phy_reserved &= ~PHY_VITESSE_INIT_MSK1;
+ phy_reserved |= PHY_VITESSE_INIT3;
+ if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved))
+ return PHY_ERROR;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT4))
+ return PHY_ERROR;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT5))
+ return PHY_ERROR;
+ phy_reserved = mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG4, MII_READ);
+ phy_reserved &= ~PHY_VITESSE_INIT_MSK1;
+ phy_reserved |= PHY_VITESSE_INIT3;
+ if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved))
+ return PHY_ERROR;
+ phy_reserved = mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG3, MII_READ);
+ if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved))
+ return PHY_ERROR;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT6))
+ return PHY_ERROR;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT7))
+ return PHY_ERROR;
+ phy_reserved = mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG4, MII_READ);
+ if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved))
+ return PHY_ERROR;
+ phy_reserved = mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG3, MII_READ);
+ phy_reserved &= ~PHY_VITESSE_INIT_MSK2;
+ phy_reserved |= PHY_VITESSE_INIT8;
+ if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved))
+ return PHY_ERROR;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT9))
+ return PHY_ERROR;
+ if (mii_rw(dev, np->phyaddr,
+ PHY_VITESSE_INIT_REG1, PHY_VITESSE_INIT10))
+ return PHY_ERROR;
+
+ return 0;
+}
+
static int phy_init(struct net_device *dev)
{
struct fe_priv *np = get_nvpriv(dev);
u8 __iomem *base = get_hwbase(dev);
- u32 phyinterface, phy_reserved, mii_status, mii_control, mii_control_1000, reg;
+ u32 phyinterface;
+ u32 mii_status, mii_control, mii_control_1000, reg;
/* phy errata for E3016 phy */
if (np->phy_model == PHY_MODEL_MARVELL_E3016) {
@@ -1227,64 +1385,32 @@ static int phy_init(struct net_device *dev)
if (np->phy_oui == PHY_OUI_REALTEK) {
if (np->phy_model == PHY_MODEL_REALTEK_8211 &&
np->phy_rev == PHY_REV_REALTEK_8211B) {
- if (init_realtek_8211b(dev, np))
- return PHY_ERROR;
- } else if (np->phy_model == PHY_MODEL_REALTEK_8211 &&
- np->phy_rev == PHY_REV_REALTEK_8211C) {
- u32 powerstate = readl(base + NvRegPowerState2);
-
- /* need to perform hw phy reset */
- powerstate |= NVREG_POWERSTATE2_PHY_RESET;
- writel(powerstate, base + NvRegPowerState2);
- msleep(25);
-
- powerstate &= ~NVREG_POWERSTATE2_PHY_RESET;
- writel(powerstate, base + NvRegPowerState2);
- msleep(25);
-
- reg = mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, MII_READ);
- reg |= PHY_REALTEK_INIT9;
- if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, reg)) {
+ if (init_realtek_8211b(dev, np)) {
netdev_info(dev, "%s: phy init failed\n",
pci_name(np->pci_dev));
return PHY_ERROR;
}
- if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT10)) {
+ } else if (np->phy_model == PHY_MODEL_REALTEK_8211 &&
+ np->phy_rev == PHY_REV_REALTEK_8211C) {
+ if (init_realtek_8211c(dev, np)) {
netdev_info(dev, "%s: phy init failed\n",
pci_name(np->pci_dev));
return PHY_ERROR;
}
- reg = mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG7, MII_READ);
- if (!(reg & PHY_REALTEK_INIT11)) {
- reg |= PHY_REALTEK_INIT11;
- if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG7, reg)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- }
- if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) {
+ } else if (np->phy_model == PHY_MODEL_REALTEK_8201) {
+ if (init_realtek_8201(dev, np)) {
netdev_info(dev, "%s: phy init failed\n",
pci_name(np->pci_dev));
return PHY_ERROR;
}
}
- if (np->phy_model == PHY_MODEL_REALTEK_8201) {
- if (np->driver_data & DEV_NEED_PHY_INIT_FIX) {
- phy_reserved = mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, MII_READ);
- phy_reserved |= PHY_REALTEK_INIT7;
- if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- }
- }
}
/* set advertise register */
reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ);
- reg |= (ADVERTISE_10HALF|ADVERTISE_10FULL|ADVERTISE_100HALF|ADVERTISE_100FULL|ADVERTISE_PAUSE_ASYM|ADVERTISE_PAUSE_CAP);
+ reg |= (ADVERTISE_10HALF | ADVERTISE_10FULL |
+ ADVERTISE_100HALF | ADVERTISE_100FULL |
+ ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP);
if (mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg)) {
netdev_info(dev, "%s: phy write to advertise failed\n",
pci_name(np->pci_dev));
@@ -1298,7 +1424,8 @@ static int phy_init(struct net_device *dev)
mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ);
if (mii_status & PHY_GIGABIT) {
np->gigabit = PHY_GIGABIT;
- mii_control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ);
+ mii_control_1000 = mii_rw(dev, np->phyaddr,
+ MII_CTRL1000, MII_READ);
mii_control_1000 &= ~ADVERTISE_1000HALF;
if (phyinterface & PHY_RGMII)
mii_control_1000 |= ADVERTISE_1000FULL;
@@ -1338,151 +1465,33 @@ static int phy_init(struct net_device *dev)
}
/* phy vendor specific configuration */
- if ((np->phy_oui == PHY_OUI_CICADA) && (phyinterface & PHY_RGMII)) {
- phy_reserved = mii_rw(dev, np->phyaddr, MII_RESV1, MII_READ);
- phy_reserved &= ~(PHY_CICADA_INIT1 | PHY_CICADA_INIT2);
- phy_reserved |= (PHY_CICADA_INIT3 | PHY_CICADA_INIT4);
- if (mii_rw(dev, np->phyaddr, MII_RESV1, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- phy_reserved = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ);
- phy_reserved |= PHY_CICADA_INIT5;
- if (mii_rw(dev, np->phyaddr, MII_NCONFIG, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- }
- if (np->phy_oui == PHY_OUI_CICADA) {
- phy_reserved = mii_rw(dev, np->phyaddr, MII_SREVISION, MII_READ);
- phy_reserved |= PHY_CICADA_INIT6;
- if (mii_rw(dev, np->phyaddr, MII_SREVISION, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- }
- if (np->phy_oui == PHY_OUI_VITESSE) {
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG1, PHY_VITESSE_INIT1)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT2)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, MII_READ);
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, MII_READ);
- phy_reserved &= ~PHY_VITESSE_INIT_MSK1;
- phy_reserved |= PHY_VITESSE_INIT3;
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT4)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT5)) {
+ if ((np->phy_oui == PHY_OUI_CICADA)) {
+ if (init_cicada(dev, np, phyinterface)) {
netdev_info(dev, "%s: phy init failed\n",
pci_name(np->pci_dev));
return PHY_ERROR;
}
- phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, MII_READ);
- phy_reserved &= ~PHY_VITESSE_INIT_MSK1;
- phy_reserved |= PHY_VITESSE_INIT3;
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved)) {
+ } else if (np->phy_oui == PHY_OUI_VITESSE) {
+ if (init_vitesse(dev, np)) {
netdev_info(dev, "%s: phy init failed\n",
pci_name(np->pci_dev));
return PHY_ERROR;
}
- phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, MII_READ);
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT6)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT7)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, MII_READ);
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG4, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- phy_reserved = mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, MII_READ);
- phy_reserved &= ~PHY_VITESSE_INIT_MSK2;
- phy_reserved |= PHY_VITESSE_INIT8;
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG3, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG2, PHY_VITESSE_INIT9)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- if (mii_rw(dev, np->phyaddr, PHY_VITESSE_INIT_REG1, PHY_VITESSE_INIT10)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- }
- if (np->phy_oui == PHY_OUI_REALTEK) {
+ } else if (np->phy_oui == PHY_OUI_REALTEK) {
if (np->phy_model == PHY_MODEL_REALTEK_8211 &&
np->phy_rev == PHY_REV_REALTEK_8211B) {
/* reset could have cleared these out, set them back */
- if (init_realtek_8211b(dev, np))
+ if (init_realtek_8211b(dev, np)) {
+ netdev_info(dev, "%s: phy init failed\n",
+ pci_name(np->pci_dev));
return PHY_ERROR;
- } else if (np->phy_model == PHY_MODEL_REALTEK_8201) {
- if (np->driver_data & DEV_NEED_PHY_INIT_FIX) {
- phy_reserved = mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, MII_READ);
- phy_reserved |= PHY_REALTEK_INIT7;
- if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
}
- if (phy_cross == NV_CROSSOVER_DETECTION_DISABLED) {
- if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT3)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- phy_reserved = mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG2, MII_READ);
- phy_reserved &= ~PHY_REALTEK_INIT_MSK1;
- phy_reserved |= PHY_REALTEK_INIT3;
- if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG2, phy_reserved)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
- if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) {
- netdev_info(dev, "%s: phy init failed\n",
- pci_name(np->pci_dev));
- return PHY_ERROR;
- }
+ } else if (np->phy_model == PHY_MODEL_REALTEK_8201) {
+ if (init_realtek_8201(dev, np) ||
+ init_realtek_8201_cross(dev, np)) {
+ netdev_info(dev, "%s: phy init failed\n",
+ pci_name(np->pci_dev));
+ return PHY_ERROR;
}
}
}
--
1.7.3.2.245.g03276.dirty
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