mei: drop read_pending member form struct mei_cl
read_pending never changes, it is a leftover from the old code. Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -631,7 +631,7 @@ int mei_cl_read_start(struct mei_cl *cl)
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if (dev->dev_state != MEI_DEV_ENABLED)
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if (dev->dev_state != MEI_DEV_ENABLED)
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return -ENODEV;
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return -ENODEV;
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if (cl->read_pending || cl->read_cb) {
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if (cl->read_cb) {
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dev_dbg(&dev->pdev->dev, "read is pending.\n");
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dev_dbg(&dev->pdev->dev, "read is pending.\n");
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return -EBUSY;
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return -EBUSY;
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}
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}
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@ -380,7 +380,6 @@ free:
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mei_io_cb_free(cb);
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mei_io_cb_free(cb);
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cl->reading_state = MEI_IDLE;
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cl->reading_state = MEI_IDLE;
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cl->read_cb = NULL;
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cl->read_cb = NULL;
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cl->read_pending = 0;
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out:
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out:
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dev_dbg(&dev->pdev->dev, "end mei read rets= %d\n", rets);
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dev_dbg(&dev->pdev->dev, "end mei read rets= %d\n", rets);
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mutex_unlock(&dev->device_lock);
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mutex_unlock(&dev->device_lock);
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@ -462,9 +461,8 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
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write_cb = NULL;
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write_cb = NULL;
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cl->reading_state = MEI_IDLE;
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cl->reading_state = MEI_IDLE;
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cl->read_cb = NULL;
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cl->read_cb = NULL;
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cl->read_pending = 0;
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}
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}
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} else if (cl->reading_state == MEI_IDLE && !cl->read_pending)
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} else if (cl->reading_state == MEI_IDLE)
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*offset = 0;
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*offset = 0;
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@ -199,7 +199,6 @@ struct mei_cl {
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wait_queue_head_t tx_wait;
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wait_queue_head_t tx_wait;
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wait_queue_head_t rx_wait;
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wait_queue_head_t rx_wait;
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wait_queue_head_t wait;
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wait_queue_head_t wait;
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int read_pending;
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int status;
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int status;
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/* ID of client connected */
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/* ID of client connected */
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u8 host_client_id;
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u8 host_client_id;
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