diff options
| -rw-r--r-- | drivers/misc/mei/amthif.c | 19 | ||||
| -rw-r--r-- | drivers/misc/mei/main.c | 10 | ||||
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 6 |
3 files changed, 25 insertions, 10 deletions
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c index 8f4373aa9e24..7416241dce88 100644 --- a/drivers/misc/mei/amthif.c +++ b/drivers/misc/mei/amthif.c @@ -401,6 +401,25 @@ void mei_amthif_run_next_cmd(struct mei_device *dev) } } + +unsigned int mei_amthif_poll(struct mei_device *dev, + struct file *file, poll_table *wait) +{ + unsigned int mask = 0; + mutex_unlock(&dev->device_lock); + poll_wait(file, &dev->iamthif_cl.wait, wait); + mutex_lock(&dev->device_lock); + if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE && + dev->iamthif_file_object == file) { + mask |= (POLLIN | POLLRDNORM); + dev_dbg(&dev->pdev->dev, "run next amthi cb\n"); + mei_amthif_run_next_cmd(dev); + } + return mask; +} + + + /** * mei_amthif_irq_process_completed - processes completed iamthif operation. * diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 43512e517952..2cc1ebb131ba 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -694,15 +694,7 @@ static unsigned int mei_poll(struct file *file, poll_table *wait) if (cl == &dev->iamthif_cl) { - mutex_unlock(&dev->device_lock); - poll_wait(file, &dev->iamthif_cl.wait, wait); - mutex_lock(&dev->device_lock); - if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE && - dev->iamthif_file_object == file) { - mask |= (POLLIN | POLLRDNORM); - dev_dbg(&dev->pdev->dev, "run next amthi cb\n"); - mei_amthif_run_next_cmd(dev); - } + mask = mei_amthif_poll(dev, file, wait); goto out; } diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index bdad35e7aa54..dad85f3fe390 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -19,6 +19,7 @@ #include <linux/types.h> #include <linux/watchdog.h> +#include <linux/poll.h> #include <linux/mei.h> #include "hw.h" @@ -387,7 +388,10 @@ void mei_amthif_host_init(struct mei_device *dev); int mei_amthif_write(struct mei_device *dev, struct mei_cl_cb *priv_cb); int mei_amthif_read(struct mei_device *dev, struct file *file, - char __user *ubuf, size_t length, loff_t *offset); + char __user *ubuf, size_t length, loff_t *offset); + +unsigned int mei_amthif_poll(struct mei_device *dev, + struct file *file, poll_table *wait); int mei_amthif_release(struct mei_device *dev, struct file *file); |