diff options
Diffstat (limited to 'drivers/net/wimax/i2400m/usb.c')
| -rw-r--r-- | drivers/net/wimax/i2400m/usb.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index 8b246cc498b..418db12b0cd 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -254,7 +254,6 @@ int i2400mu_bus_reset(struct i2400m *i2400m, enum i2400m_reset_type rt) sizeof(i2400m_COLD_BOOT_BARKER), i2400mu->endpoint_cfg.reset_cold); else if (rt == I2400M_RT_BUS) { -do_bus_reset: result = usb_reset_device(i2400mu->usb_dev); switch (result) { case 0: @@ -262,7 +261,7 @@ do_bus_reset: case -ENODEV: case -ENOENT: case -ESHUTDOWN: - result = rt == I2400M_RT_WARM ? -ENODEV : 0; + result = 0; break; /* We assume the device is disconnected */ default: dev_err(dev, "USB reset failed (%d), giving up!\n", @@ -275,10 +274,17 @@ do_bus_reset: if (result < 0 && result != -EINVAL /* device is gone */ && rt != I2400M_RT_BUS) { + /* + * Things failed -- resort to lower level reset, that + * we queue in another context; the reason for this is + * that the pre and post reset functionality requires + * the i2400m->init_mutex; RT_WARM and RT_COLD can + * come from areas where i2400m->init_mutex is taken. + */ dev_err(dev, "%s reset failed (%d); trying USB reset\n", rt == I2400M_RT_WARM ? "warm" : "cold", result); - rt = I2400M_RT_BUS; - goto do_bus_reset; + usb_queue_reset_device(i2400mu->usb_iface); + result = -ENODEV; } d_fnend(3, dev, "(i2400m %p rt %u) = %d\n", i2400m, rt, result); return result; |