diff options
| -rw-r--r-- | drivers/misc/mei/bus.c | 10 | ||||
| -rw-r--r-- | drivers/misc/mei/hw-me.c | 4 | ||||
| -rw-r--r-- | drivers/misc/mei/hw-txe.c | 4 | ||||
| -rw-r--r-- | drivers/misc/mei/init.c | 4 |
4 files changed, 17 insertions, 5 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 1ac10cb64d6e..2a5146bdecf1 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -543,14 +543,20 @@ int mei_cldev_disable(struct mei_cl_device *cldev) mutex_lock(&bus->device_lock); if (!mei_cl_is_connected(cl)) { - dev_dbg(bus->dev, "Already disconnected"); + dev_dbg(bus->dev, "Already disconnected\n"); + err = 0; + goto out; + } + + if (bus->dev_state == MEI_DEV_POWER_DOWN) { + dev_dbg(bus->dev, "Device is powering down don't botther with disconnection\n"); err = 0; goto out; } err = mei_cl_disconnect(cl); if (err < 0) - dev_err(bus->dev, "Could not disconnect from the ME client"); + dev_err(bus->dev, "Could not disconnect from the ME client\n"); out: /* Flush queues and remove any pending read */ diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 10dcf4ff99a5..0b21f9ec00f5 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -1260,7 +1260,9 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) if (rets == -ENODATA) break; - if (rets && dev->dev_state != MEI_DEV_RESETTING) { + if (rets && + (dev->dev_state != MEI_DEV_RESETTING || + dev->dev_state != MEI_DEV_POWER_DOWN)) { dev_err(dev->dev, "mei_irq_read_handler ret = %d.\n", rets); schedule_work(&dev->reset_work); diff --git a/drivers/misc/mei/hw-txe.c b/drivers/misc/mei/hw-txe.c index 24e4a4c96606..84197277f26c 100644 --- a/drivers/misc/mei/hw-txe.c +++ b/drivers/misc/mei/hw-txe.c @@ -1127,7 +1127,9 @@ irqreturn_t mei_txe_irq_thread_handler(int irq, void *dev_id) if (test_and_clear_bit(TXE_INTR_OUT_DB_BIT, &hw->intr_cause)) { /* Read from TXE */ rets = mei_irq_read_handler(dev, &cmpl_list, &slots); - if (rets && dev->dev_state != MEI_DEV_RESETTING) { + if (rets && + (dev->dev_state != MEI_DEV_RESETTING || + dev->dev_state != MEI_DEV_POWER_DOWN)) { dev_err(dev->dev, "mei_irq_read_handler ret = %d.\n", rets); diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index d2f691424dd1..c46f6e99a55e 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -310,6 +310,9 @@ void mei_stop(struct mei_device *dev) { dev_dbg(dev->dev, "stopping the device.\n"); + mutex_lock(&dev->device_lock); + dev->dev_state = MEI_DEV_POWER_DOWN; + mutex_unlock(&dev->device_lock); mei_cl_bus_remove_devices(dev); mei_cancel_work(dev); @@ -319,7 +322,6 @@ void mei_stop(struct mei_device *dev) mutex_lock(&dev->device_lock); - dev->dev_state = MEI_DEV_POWER_DOWN; mei_reset(dev); /* move device to disabled state unconditionally */ dev->dev_state = MEI_DEV_DISABLED; |