1 files changed, 0 insertions, 340 deletions
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
deleted file mode 100644
index 0e7406ccb6dd..000000000000
--- a/drivers/misc/mei/amthif.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- *
- * Intel Management Engine Interface (Intel MEI) Linux driver
- * Copyright (c) 2003-2012, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/fs.h>
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/ioctl.h>
-#include <linux/cdev.h>
-#include <linux/list.h>
-#include <linux/delay.h>
-#include <linux/sched.h>
-#include <linux/uuid.h>
-#include <linux/jiffies.h>
-#include <linux/uaccess.h>
-#include <linux/slab.h>
-
-#include <linux/mei.h>
-
-#include "mei_dev.h"
-#include "hbm.h"
-#include "client.h"
-
-const uuid_le mei_amthif_guid  = UUID_LE(0x12f80028, 0xb4b7, 0x4b2d,
-					 0xac, 0xa8, 0x46, 0xe0,
-					 0xff, 0x65, 0x81, 0x4c);
-
-/**
- * mei_amthif_reset_params - initializes mei device iamthif
- *
- * @dev: the device structure
- */
-void mei_amthif_reset_params(struct mei_device *dev)
-{
-	/* reset iamthif parameters. */
-	dev->iamthif_canceled = false;
-	dev->iamthif_state = MEI_IAMTHIF_IDLE;
-	dev->iamthif_stall_timer = 0;
-	dev->iamthif_open_count = 0;
-}
-
-/**
- * mei_amthif_host_init - mei initialization amthif client.
- *
- * @dev: the device structure
- * @me_cl: me client
- *
- * Return: 0 on success, <0 on failure.
- */
-int mei_amthif_host_init(struct mei_device *dev, struct mei_me_client *me_cl)
-{
-	struct mei_cl *cl = &dev->iamthif_cl;
-	int ret;
-
-	mutex_lock(&dev->device_lock);
-
-	if (mei_cl_is_connected(cl)) {
-		ret = 0;
-		goto out;
-	}
-
-	dev->iamthif_state = MEI_IAMTHIF_IDLE;
-
-	mei_cl_init(cl, dev);
-
-	ret = mei_cl_link(cl);
-	if (ret < 0) {
-		dev_err(dev->dev, "amthif: failed cl_link %d\n", ret);
-		goto out;
-	}
-
-	ret = mei_cl_connect(cl, me_cl, NULL);
-
-out:
-	mutex_unlock(&dev->device_lock);
-	return ret;
-}
-
-/**
- * mei_amthif_read_start - queue message for sending read credential
- *
- * @cl: host client
- * @fp: file pointer of message recipient
- *
- * Return: 0 on success, <0 on failure.
- */
-static int mei_amthif_read_start(struct mei_cl *cl, const struct file *fp)
-{
-	struct mei_device *dev = cl->dev;
-	struct mei_cl_cb *cb;
-
-	cb = mei_cl_enqueue_ctrl_wr_cb(cl, mei_cl_mtu(cl), MEI_FOP_READ, fp);
-	if (!cb)
-		return -ENOMEM;
-
-	cl->rx_flow_ctrl_creds++;
-
-	dev->iamthif_state = MEI_IAMTHIF_READING;
-	cl->fp = cb->fp;
-
-	return 0;
-}
-
-/**
- * mei_amthif_run_next_cmd - send next amt command from queue
- *
- * @dev: the device structure
- *
- * Return: 0 on success, <0 on failure.
- */
-int mei_amthif_run_next_cmd(struct mei_device *dev)
-{
-	struct mei_cl *cl = &dev->iamthif_cl;
-	struct mei_cl_cb *cb;
-	int ret;
-
-	dev->iamthif_canceled = false;
-
-	dev_dbg(dev->dev, "complete amthif cmd_list cb.\n");
-
-	cb = list_first_entry_or_null(&dev->amthif_cmd_list, typeof(*cb), list);
-	if (!cb) {
-		dev->iamthif_state = MEI_IAMTHIF_IDLE;
-		cl->fp = NULL;
-		return 0;
-	}
-
-	list_del_init(&cb->list);
-	dev->iamthif_state = MEI_IAMTHIF_WRITING;
-	cl->fp = cb->fp;
-
-	ret = mei_cl_write(cl, cb);
-	if (ret < 0)
-		return ret;
-
-	if (cb->completed)
-		cb->status = mei_amthif_read_start(cl, cb->fp);
-
-	return 0;
-}
-
-/**
- * mei_amthif_write - write amthif data to amthif client
- *
- * @cl: host client
- * @cb: mei call back struct
- *
- * Return: 0 on success, <0 on failure.
- */
-int mei_amthif_write(struct mei_cl *cl, struct mei_cl_cb *cb)
-{
-
-	struct mei_device *dev = cl->dev;
-
-	list_add_tail(&cb->list, &dev->amthif_cmd_list);
-
-	/*
-	 * The previous request is still in processing, queue this one.
-	 */
-	if (dev->iamthif_state != MEI_IAMTHIF_IDLE)
-		return 0;
-
-	return mei_amthif_run_next_cmd(dev);
-}
-
-/**
- * mei_amthif_poll - the amthif poll function
- *
- * @file: pointer to file structure
- * @wait: pointer to poll_table structure
- *
- * Return: poll mask
- *
- * Locking: called under "dev->device_lock" lock
- */
-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, &cl->rx_wait, wait);
-	if (cb)
-		mask |= POLLIN | POLLRDNORM;
-
-	return mask;
-}
-
-/**
- * mei_amthif_irq_write - write iamthif command in irq thread context.
- *
- * @cl: private data of the file object.
- * @cb: callback block.
- * @cmpl_list: complete list.
- *
- * Return: 0, OK; otherwise, error.
- */
-int mei_amthif_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
-			 struct list_head *cmpl_list)
-{
-	int ret;
-
-	ret = mei_cl_irq_write(cl, cb, cmpl_list);
-	if (ret)
-		return ret;
-
-	if (cb->completed)
-		cb->status = mei_amthif_read_start(cl, cb->fp);
-
-	return 0;
-}
-
-/**
- * mei_amthif_irq_read_msg - read routine after ISR to
- *			handle the read amthif message
- *
- * @cl: mei client
- * @mei_hdr: header of amthif message
- * @cmpl_list: completed callbacks list
- *
- * Return: -ENODEV if cb is NULL 0 otherwise; error message is in cb->status
- */
-int mei_amthif_irq_read_msg(struct mei_cl *cl,
-			    struct mei_msg_hdr *mei_hdr,
-			    struct list_head *cmpl_list)
-{
-	struct mei_device *dev;
-	int ret;
-
-	dev = cl->dev;
-
-	if (dev->iamthif_state != MEI_IAMTHIF_READING) {
-		mei_irq_discard_msg(dev, mei_hdr);
-		return 0;
-	}
-
-	ret = mei_cl_irq_read_msg(cl, mei_hdr, cmpl_list);
-	if (ret)
-		return ret;
-
-	if (!mei_hdr->msg_complete)
-		return 0;
-
-	dev_dbg(dev->dev, "completed amthif read.\n ");
-	dev->iamthif_stall_timer = 0;
-
-	return 0;
-}
-
-/**
- * mei_amthif_complete - complete amthif callback.
- *
- * @cl: host client
- * @cb: callback block.
- */
-void mei_amthif_complete(struct mei_cl *cl, struct mei_cl_cb *cb)
-{
-	struct mei_device *dev = cl->dev;
-
-	dev_dbg(dev->dev, "completing amthif call back.\n");
-	switch (cb->fop_type) {
-	case MEI_FOP_WRITE:
-		if (!cb->status) {
-			dev->iamthif_stall_timer = MEI_IAMTHIF_STALL_TIMER;
-			mei_schedule_stall_timer(dev);
-			mei_io_cb_free(cb);
-			return;
-		}
-		dev->iamthif_state = MEI_IAMTHIF_IDLE;
-		cl->fp = NULL;
-		if (!dev->iamthif_canceled) {
-			/*
-			 * in case of error enqueue the write cb to complete
-			 * read list so it can be propagated to the reader
-			 */
-			list_add_tail(&cb->list, &cl->rd_completed);
-			wake_up_interruptible(&cl->rx_wait);
-		} else {
-			mei_io_cb_free(cb);
-		}
-		break;
-	case MEI_FOP_READ:
-		if (!dev->iamthif_canceled) {
-			list_add_tail(&cb->list, &cl->rd_completed);
-			dev_dbg(dev->dev, "amthif read completed\n");
-			wake_up_interruptible(&cl->rx_wait);
-		} else {
-			mei_io_cb_free(cb);
-		}
-
-		dev->iamthif_stall_timer = 0;
-		mei_amthif_run_next_cmd(dev);
-		break;
-	default:
-		WARN_ON(1);
-	}
-}
-
-/**
-* mei_amthif_release - the release function
-*
-*  @dev: device structure
-*  @fp: pointer to file structure
-*
-*  Return: 0 on success, <0 on error
-*/
-int mei_amthif_release(struct mei_device *dev, struct file *fp)
-{
-	struct mei_cl *cl = fp->private_data;
-
-	if (dev->iamthif_open_count > 0)
-		dev->iamthif_open_count--;
-
-	if (cl->fp == fp && dev->iamthif_state != MEI_IAMTHIF_IDLE) {
-
-		dev_dbg(dev->dev, "amthif canceled iamthif state %d\n",
-			dev->iamthif_state);
-		dev->iamthif_canceled = true;
-	}
-
-	/* Don't clean ctrl_rd_list here, the reads has to be completed */
-	mei_io_list_free_fp(&dev->amthif_cmd_list, fp);
-	mei_io_list_free_fp(&cl->rd_completed, fp);
-
-	return 0;
-}