diff options
Diffstat (limited to 'drivers/net/wimax/i2400m/driver.c')
| -rw-r--r-- | drivers/net/wimax/i2400m/driver.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c index 5803a2bfd6a..f07d8527b03 100644 --- a/drivers/net/wimax/i2400m/driver.c +++ b/drivers/net/wimax/i2400m/driver.c @@ -573,18 +573,28 @@ void i2400m_dev_stop(struct i2400m *i2400m) * _stop()], don't do anything, let it fail and handle it. * * This function is ran always in a thread context + * + * This function gets passed, as payload to i2400m_work() a 'const + * char *' ptr with a "reason" why the reset happened (for messages). */ static void __i2400m_dev_reset_handle(struct work_struct *ws) { int result; struct i2400m_work *iw = container_of(ws, struct i2400m_work, ws); + const char *reason; struct i2400m *i2400m = iw->i2400m; struct device *dev = i2400m_dev(i2400m); enum wimax_st wimax_state; struct i2400m_reset_ctx *ctx = i2400m->reset_ctx; - d_fnstart(3, dev, "(ws %p i2400m %p)\n", ws, i2400m); + if (WARN_ON(iw->pl_size != sizeof(reason))) + reason = "SW BUG: reason n/a"; + else + memcpy(&reason, iw->pl, sizeof(reason)); + + d_fnstart(3, dev, "(ws %p i2400m %p reason %s)\n", ws, i2400m, reason); + result = 0; if (mutex_trylock(&i2400m->init_mutex) == 0) { /* We are still in i2400m_dev_start() [let it fail] or @@ -597,17 +607,17 @@ void __i2400m_dev_reset_handle(struct work_struct *ws) } wimax_state = wimax_state_get(&i2400m->wimax_dev); if (wimax_state < WIMAX_ST_UNINITIALIZED) { - dev_info(dev, "device rebooted: it is down, ignoring\n"); + dev_info(dev, "%s: it is down, ignoring\n", reason); goto out_unlock; /* ifconfig up/down wasn't called */ } - dev_err(dev, "device rebooted: reinitializing driver\n"); + dev_err(dev, "%s: reinitializing driver\n", reason); __i2400m_dev_stop(i2400m); i2400m->updown = 0; result = __i2400m_dev_start(i2400m, I2400M_BRI_SOFT | I2400M_BRI_MAC_REINIT); if (result < 0) { - dev_err(dev, "device reboot: cannot start the device: %d\n", - result); + dev_err(dev, "%s: cannot start the device: %d\n", + reason, result); result = i2400m->bus_reset(i2400m, I2400M_RT_BUS); if (result >= 0) result = -ENODEV; @@ -622,7 +632,8 @@ out_unlock: out: i2400m_put(i2400m); kfree(iw); - d_fnend(3, dev, "(ws %p i2400m %p) = void\n", ws, i2400m); + d_fnend(3, dev, "(ws %p i2400m %p reason %s) = void\n", + ws, i2400m, reason); return; } @@ -639,12 +650,12 @@ out: * reinitializing the driver to handle the reset, calling into the * bus-specific functions ops as needed. */ -int i2400m_dev_reset_handle(struct i2400m *i2400m) +int i2400m_dev_reset_handle(struct i2400m *i2400m, const char *reason) { i2400m->boot_mode = 1; wmb(); /* Make sure i2400m_msg_to_dev() sees boot_mode */ return i2400m_schedule_work(i2400m, __i2400m_dev_reset_handle, - GFP_ATOMIC, NULL, 0); + GFP_ATOMIC, &reason, sizeof(reason)); } EXPORT_SYMBOL_GPL(i2400m_dev_reset_handle); |