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path: root/drivers/misc/mei/amthif.c
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Diffstat (limited to 'drivers/misc/mei/amthif.c')
-rw-r--r--drivers/misc/mei/amthif.c34
1 files changed, 11 insertions, 23 deletions
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index a039a5df6f21..13d89043ad76 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -299,8 +299,7 @@ int mei_amthif_write(struct mei_cl *cl, struct mei_cl_cb *cb)
/*
* The previous request is still in processing, queue this one.
*/
- if (dev->iamthif_state > MEI_IAMTHIF_IDLE &&
- dev->iamthif_state < MEI_IAMTHIF_READ_COMPLETE)
+ if (dev->iamthif_state != MEI_IAMTHIF_IDLE)
return 0;
return mei_amthif_run_next_cmd(dev);
@@ -309,7 +308,6 @@ int mei_amthif_write(struct mei_cl *cl, struct mei_cl_cb *cb)
/**
* mei_amthif_poll - the amthif poll function
*
- * @dev: the device structure
* @file: pointer to file structure
* @wait: pointer to poll_table structure
*
@@ -317,26 +315,19 @@ int mei_amthif_write(struct mei_cl *cl, struct mei_cl_cb *cb)
*
* Locking: called under "dev->device_lock" lock
*/
-
-unsigned int mei_amthif_poll(struct mei_device *dev,
- struct file *file, poll_table *wait)
+unsigned int mei_amthif_poll(struct file *file, poll_table *wait)
{
+ struct mei_cl *cl = file->private_data;
+ struct mei_cl_cb *cb = mei_cl_read_cb(cl, file);
unsigned int mask = 0;
- poll_wait(file, &dev->iamthif_cl.rx_wait, wait);
-
- if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE &&
- dev->iamthif_fp == file) {
-
+ poll_wait(file, &cl->rx_wait, wait);
+ if (cb)
mask |= POLLIN | POLLRDNORM;
- mei_amthif_run_next_cmd(dev);
- }
return mask;
}
-
-
/**
* mei_amthif_irq_write - write iamthif command in irq thread context.
*
@@ -393,7 +384,6 @@ int mei_amthif_irq_read_msg(struct mei_cl *cl,
return 0;
dev_dbg(dev->dev, "completed amthif read.\n ");
- dev->iamthif_current_cb = NULL;
dev->iamthif_stall_timer = 0;
return 0;
@@ -425,14 +415,16 @@ void mei_amthif_complete(struct mei_cl *cl, struct mei_cl_cb *cb)
}
if (!dev->iamthif_canceled) {
- dev->iamthif_state = MEI_IAMTHIF_READ_COMPLETE;
- dev->iamthif_stall_timer = 0;
list_add_tail(&cb->list, &cl->rd_completed);
dev_dbg(dev->dev, "amthif read completed\n");
} else {
- mei_amthif_run_next_cmd(dev);
+ mei_io_cb_free(cb);
}
+ dev->iamthif_current_cb = NULL;
+ dev->iamthif_stall_timer = 0;
+ mei_amthif_run_next_cmd(dev);
+
dev_dbg(dev->dev, "completing amthif call back.\n");
wake_up_interruptible(&cl->rx_wait);
}
@@ -539,10 +531,6 @@ int mei_amthif_release(struct mei_device *dev, struct file *file)
dev_dbg(dev->dev, "amthif canceled iamthif state %d\n",
dev->iamthif_state);
dev->iamthif_canceled = true;
- if (dev->iamthif_state == MEI_IAMTHIF_READ_COMPLETE) {
- dev_dbg(dev->dev, "run next amthif iamthif cb\n");
- mei_amthif_run_next_cmd(dev);
- }
}
if (mei_clear_lists(dev, file))