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D35656.1789008250.diff
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D35656.1789008250.diff
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Index: sys/dev/etherswitch/e6000sw/e6000sw.c
===================================================================
--- sys/dev/etherswitch/e6000sw/e6000sw.c
+++ sys/dev/etherswitch/e6000sw/e6000sw.c
@@ -112,6 +112,8 @@
static int e6000sw_write_xmdio(device_t, int, int, int, int);
static int e6000sw_readphy(device_t, int, int);
static int e6000sw_writephy(device_t, int, int, int);
+static int e6000sw_readphy_locked(device_t, int, int);
+static int e6000sw_writephy_locked(device_t, int, int, int);
static etherswitch_info_t* e6000sw_getinfo(device_t);
static int e6000sw_getconf(device_t, etherswitch_conf_t *);
static int e6000sw_setconf(device_t, etherswitch_conf_t *);
@@ -159,8 +161,8 @@
DEVMETHOD(bus_add_child, device_add_child_ordered),
/* mii interface */
- DEVMETHOD(miibus_readreg, e6000sw_readphy),
- DEVMETHOD(miibus_writereg, e6000sw_writephy),
+ DEVMETHOD(miibus_readreg, e6000sw_readphy_locked),
+ DEVMETHOD(miibus_writereg, e6000sw_writephy_locked),
/* etherswitch interface */
DEVMETHOD(etherswitch_getinfo, e6000sw_getinfo),
@@ -657,29 +659,41 @@
return (0);
}
+static int e6000sw_readphy(device_t dev, int phy, int reg)
+{
+ e6000sw_softc_t *sc;
+ int ret;
+
+ sc = device_get_softc(dev);
+ E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
+
+ E6000SW_LOCK(sc);
+ ret = e6000sw_readphy_locked(dev, phy, reg);
+ E6000SW_UNLOCK(sc);
+
+ return (ret);
+}
+
/*
* PHY registers are paged. Put page index in reg 22 (accessible from every
* page), then access specific register.
*/
static int
-e6000sw_readphy(device_t dev, int phy, int reg)
+e6000sw_readphy_locked(device_t dev, int phy, int reg)
{
e6000sw_softc_t *sc;
uint32_t val;
sc = device_get_softc(dev);
- E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
+ E6000SW_LOCK_ASSERT(sc, SA_XLOCKED);
if (!e6000sw_is_phyport(sc, phy) || reg >= E6000SW_NUM_PHY_REGS) {
device_printf(dev, "Wrong register address.\n");
return (EINVAL);
}
- E6000SW_LOCK(sc);
-
if (E6000SW_WAITREADY2(sc, SMI_PHY_CMD_REG, SMI_CMD_BUSY)) {
device_printf(dev, "Timeout while waiting for switch\n");
- E6000SW_UNLOCK(sc);
return (ETIMEDOUT);
}
@@ -688,35 +702,44 @@
((phy << SMI_CMD_DEV_ADDR) & SMI_CMD_DEV_ADDR_MASK));
if (E6000SW_WAITREADY2(sc, SMI_PHY_CMD_REG, SMI_CMD_BUSY)) {
device_printf(dev, "Timeout while waiting for switch\n");
- E6000SW_UNLOCK(sc);
return (ETIMEDOUT);
}
val = e6000sw_readreg(sc, REG_GLOBAL2, SMI_PHY_DATA_REG);
+ return (val & PHY_DATA_MASK);
+}
+
+static int e6000sw_writephy(device_t dev, int phy, int reg, int data)
+{
+ e6000sw_softc_t *sc;
+ int ret;
+
+ sc = device_get_softc(dev);
+ E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
+
+ E6000SW_LOCK(sc);
+ ret = e6000sw_writephy_locked(dev, phy, reg, data);
E6000SW_UNLOCK(sc);
- return (val & PHY_DATA_MASK);
+ return (ret);
}
static int
-e6000sw_writephy(device_t dev, int phy, int reg, int data)
+e6000sw_writephy_locked(device_t dev, int phy, int reg, int data)
{
e6000sw_softc_t *sc;
sc = device_get_softc(dev);
- E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED);
+ E6000SW_LOCK_ASSERT(sc, SA_XLOCKED);
if (!e6000sw_is_phyport(sc, phy) || reg >= E6000SW_NUM_PHY_REGS) {
device_printf(dev, "Wrong register address.\n");
return (EINVAL);
}
- E6000SW_LOCK(sc);
-
if (E6000SW_WAITREADY2(sc, SMI_PHY_CMD_REG, SMI_CMD_BUSY)) {
device_printf(dev, "Timeout while waiting for switch\n");
- E6000SW_UNLOCK(sc);
return (ETIMEDOUT);
}
@@ -726,8 +749,6 @@
SMI_CMD_OP_C22_WRITE | (reg & SMI_CMD_REG_ADDR_MASK) |
((phy << SMI_CMD_DEV_ADDR) & SMI_CMD_DEV_ADDR_MASK));
- E6000SW_UNLOCK(sc);
-
return (0);
}

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