diff options
Diffstat (limited to 'drivers/misc/mei/hw-txe.c')
| -rw-r--r-- | drivers/misc/mei/hw-txe.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/misc/mei/hw-txe.c b/drivers/misc/mei/hw-txe.c index a106a0c9976c..50bd6e90a2bd 100644 --- a/drivers/misc/mei/hw-txe.c +++ b/drivers/misc/mei/hw-txe.c @@ -16,6 +16,7 @@ #include <linux/pci.h> #include <linux/jiffies.h> +#include <linux/ktime.h> #include <linux/delay.h> #include <linux/kthread.h> #include <linux/irqreturn.h> @@ -218,26 +219,25 @@ static u32 mei_txe_aliveness_get(struct mei_device *dev) * * Polls for HICR_HOST_ALIVENESS_RESP.ALIVENESS_RESP to be set * - * Return: > 0 if the expected value was received, -ETIME otherwise + * Return: 0 if the expected value was received, -ETIME otherwise */ static int mei_txe_aliveness_poll(struct mei_device *dev, u32 expected) { struct mei_txe_hw *hw = to_txe_hw(dev); - int t = 0; + ktime_t stop, start; + start = ktime_get(); + stop = ktime_add(start, ms_to_ktime(SEC_ALIVENESS_WAIT_TIMEOUT)); do { hw->aliveness = mei_txe_aliveness_get(dev); if (hw->aliveness == expected) { dev->pg_event = MEI_PG_EVENT_IDLE; - dev_dbg(dev->dev, - "aliveness settled after %d msecs\n", t); - return t; + dev_dbg(dev->dev, "aliveness settled after %lld usecs\n", + ktime_to_us(ktime_sub(ktime_get(), start))); + return 0; } - mutex_unlock(&dev->device_lock); - msleep(MSEC_PER_SEC / 5); - mutex_lock(&dev->device_lock); - t += MSEC_PER_SEC / 5; - } while (t < SEC_ALIVENESS_WAIT_TIMEOUT); + usleep_range(20, 50); + } while (ktime_before(ktime_get(), stop)); dev->pg_event = MEI_PG_EVENT_IDLE; dev_err(dev->dev, "aliveness timed out\n"); |