powerpc: Merge remaining RTAS code

This moves rtas-proc.c and rtas_flash.c into arch/powerpc/kernel, since
cell wants them as well as pseries (and chrp can use rtas-proc.c too,
at least in principle).  rtas_fw.c is gone, with its bits moved into
rtas_flash.c and rtas.c.

Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 0 insertions, 725 deletions

diff --git a/arch/ppc64/kernel/rtas_flash.c b/arch/ppc64/kernel/rtas_flash.c
deleted file mode 100644
index 923e2e201a7..00000000000
--- a/arch/ppc64/kernel/rtas_flash.c
+++ /dev/null
@@ -1,725 +0,0 @@
-/*
- *  c 2001 PPC 64 Team, IBM Corp
- *
- *      This program is free software; you can redistribute it and/or
- *      modify it under the terms of the GNU General Public License
- *      as published by the Free Software Foundation; either version
- *      2 of the License, or (at your option) any later version.
- *
- * /proc/ppc64/rtas/firmware_flash interface
- *
- * This file implements a firmware_flash interface to pump a firmware
- * image into the kernel.  At reboot time rtas_restart() will see the
- * firmware image and flash it as it reboots (see rtas.c).
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/proc_fs.h>
-#include <asm/delay.h>
-#include <asm/uaccess.h>
-#include <asm/rtas.h>
-
-#define MODULE_VERS "1.0"
-#define MODULE_NAME "rtas_flash"
-
-#define FIRMWARE_FLASH_NAME "firmware_flash"   
-#define FIRMWARE_UPDATE_NAME "firmware_update"
-#define MANAGE_FLASH_NAME "manage_flash"
-#define VALIDATE_FLASH_NAME "validate_flash"
-
-/* General RTAS Status Codes */
-#define RTAS_RC_SUCCESS  0
-#define RTAS_RC_HW_ERR	-1
-#define RTAS_RC_BUSY	-2
-
-/* Flash image status values */
-#define FLASH_AUTH           -9002 /* RTAS Not Service Authority Partition */
-#define FLASH_NO_OP          -1099 /* No operation initiated by user */	
-#define FLASH_IMG_SHORT	     -1005 /* Flash image shorter than expected */
-#define FLASH_IMG_BAD_LEN    -1004 /* Bad length value in flash list block */
-#define FLASH_IMG_NULL_DATA  -1003 /* Bad data value in flash list block */
-#define FLASH_IMG_READY      0     /* Firmware img ready for flash on reboot */
-
-/* Manage image status values */
-#define MANAGE_AUTH          -9002 /* RTAS Not Service Authority Partition */
-#define MANAGE_ACTIVE_ERR    -9001 /* RTAS Cannot Overwrite Active Img */
-#define MANAGE_NO_OP         -1099 /* No operation initiated by user */
-#define MANAGE_PARAM_ERR     -3    /* RTAS Parameter Error */
-#define MANAGE_HW_ERR        -1    /* RTAS Hardware Error */
-
-/* Validate image status values */
-#define VALIDATE_AUTH          -9002 /* RTAS Not Service Authority Partition */
-#define VALIDATE_NO_OP         -1099 /* No operation initiated by the user */
-#define VALIDATE_INCOMPLETE    -1002 /* User copied < VALIDATE_BUF_SIZE */
-#define VALIDATE_READY	       -1001 /* Firmware image ready for validation */
-#define VALIDATE_PARAM_ERR     -3    /* RTAS Parameter Error */
-#define VALIDATE_HW_ERR        -1    /* RTAS Hardware Error */
-#define VALIDATE_TMP_UPDATE    0     /* Validate Return Status */
-#define VALIDATE_FLASH_AUTH    1     /* Validate Return Status */
-#define VALIDATE_INVALID_IMG   2     /* Validate Return Status */
-#define VALIDATE_CUR_UNKNOWN   3     /* Validate Return Status */
-#define VALIDATE_TMP_COMMIT_DL 4     /* Validate Return Status */
-#define VALIDATE_TMP_COMMIT    5     /* Validate Return Status */
-#define VALIDATE_TMP_UPDATE_DL 6     /* Validate Return Status */
-
-/* ibm,manage-flash-image operation tokens */
-#define RTAS_REJECT_TMP_IMG   0
-#define RTAS_COMMIT_TMP_IMG   1
-
-/* Array sizes */
-#define VALIDATE_BUF_SIZE 4096    
-#define RTAS_MSG_MAXLEN   64
-
-/* Local copy of the flash block list.
- * We only allow one open of the flash proc file and create this
- * list as we go.  This list will be put in the kernel's
- * rtas_firmware_flash_list global var once it is fully read.
- *
- * For convenience as we build the list we use virtual addrs,
- * we do not fill in the version number, and the length field
- * is treated as the number of entries currently in the block
- * (i.e. not a byte count).  This is all fixed on release.
- */
-
-/* Status int must be first member of struct */
-struct rtas_update_flash_t
-{
-	int status;			/* Flash update status */
-	struct flash_block_list *flist; /* Local copy of flash block list */
-};
-
-/* Status int must be first member of struct */
-struct rtas_manage_flash_t
-{
-	int status;			/* Returned status */
-	unsigned int op;		/* Reject or commit image */
-};
-
-/* Status int must be first member of struct */
-struct rtas_validate_flash_t
-{
-	int status;		 	/* Returned status */	
-	char buf[VALIDATE_BUF_SIZE]; 	/* Candidate image buffer */
-	unsigned int buf_size;		/* Size of image buf */
-	unsigned int update_results;	/* Update results token */
-};
-
-static DEFINE_SPINLOCK(flash_file_open_lock);
-static struct proc_dir_entry *firmware_flash_pde;
-static struct proc_dir_entry *firmware_update_pde;
-static struct proc_dir_entry *validate_pde;
-static struct proc_dir_entry *manage_pde;
-
-/* Do simple sanity checks on the flash image. */
-static int flash_list_valid(struct flash_block_list *flist)
-{
-	struct flash_block_list *f;
-	int i;
-	unsigned long block_size, image_size;
-
-	/* Paranoid self test here.  We also collect the image size. */
-	image_size = 0;
-	for (f = flist; f; f = f->next) {
-		for (i = 0; i < f->num_blocks; i++) {
-			if (f->blocks[i].data == NULL) {
-				return FLASH_IMG_NULL_DATA;
-			}
-			block_size = f->blocks[i].length;
-			if (block_size <= 0 || block_size > PAGE_SIZE) {
-				return FLASH_IMG_BAD_LEN;
-			}
-			image_size += block_size;
-		}
-	}
-
-	if (image_size < (256 << 10)) {
-		if (image_size < 2) 
-			return FLASH_NO_OP;
-	}
-
-	printk(KERN_INFO "FLASH: flash image with %ld bytes stored for hardware flash on reboot\n", image_size);
-
-	return FLASH_IMG_READY;
-}
-
-static void free_flash_list(struct flash_block_list *f)
-{
-	struct flash_block_list *next;
-	int i;
-
-	while (f) {
-		for (i = 0; i < f->num_blocks; i++)
-			free_page((unsigned long)(f->blocks[i].data));
-		next = f->next;
-		free_page((unsigned long)f);
-		f = next;
-	}
-}
-
-static int rtas_flash_release(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_update_flash_t *uf;
-	
-	uf = (struct rtas_update_flash_t *) dp->data;
-	if (uf->flist) {    
-		/* File was opened in write mode for a new flash attempt */
-		/* Clear saved list */
-		if (rtas_firmware_flash_list.next) {
-			free_flash_list(rtas_firmware_flash_list.next);
-			rtas_firmware_flash_list.next = NULL;
-		}
-
-		if (uf->status != FLASH_AUTH)  
-			uf->status = flash_list_valid(uf->flist);
-
-		if (uf->status == FLASH_IMG_READY) 
-			rtas_firmware_flash_list.next = uf->flist;
-		else
-			free_flash_list(uf->flist);
-
-		uf->flist = NULL;
-	}
-
-	atomic_dec(&dp->count);
-	return 0;
-}
-
-static void get_flash_status_msg(int status, char *buf)
-{
-	char *msg;
-
-	switch (status) {
-	case FLASH_AUTH:
-		msg = "error: this partition does not have service authority\n";
-		break;
-	case FLASH_NO_OP:
-		msg = "info: no firmware image for flash\n";
-		break;
-	case FLASH_IMG_SHORT:
-		msg = "error: flash image short\n";
-		break;
-	case FLASH_IMG_BAD_LEN:
-		msg = "error: internal error bad length\n";
-		break;
-	case FLASH_IMG_NULL_DATA:
-		msg = "error: internal error null data\n";
-		break;
-	case FLASH_IMG_READY:
-		msg = "ready: firmware image ready for flash on reboot\n";
-		break;
-	default:
-		sprintf(buf, "error: unexpected status value %d\n", status);
-		return;
-	}
-
-	strcpy(buf, msg);	
-}
-
-/* Reading the proc file will show status (not the firmware contents) */
-static ssize_t rtas_flash_read(struct file *file, char __user *buf,
-			       size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_update_flash_t *uf;
-	char msg[RTAS_MSG_MAXLEN];
-	int msglen;
-
-	uf = (struct rtas_update_flash_t *) dp->data;
-
-	if (!strcmp(dp->name, FIRMWARE_FLASH_NAME)) {
-		get_flash_status_msg(uf->status, msg);
-	} else {	   /* FIRMWARE_UPDATE_NAME */
-		sprintf(msg, "%d\n", uf->status);
-	}
-	msglen = strlen(msg);
-	if (msglen > count)
-		msglen = count;
-
-	if (ppos && *ppos != 0)
-		return 0;	/* be cheap */
-
-	if (!access_ok(VERIFY_WRITE, buf, msglen))
-		return -EINVAL;
-
-	if (copy_to_user(buf, msg, msglen))
-		return -EFAULT;
-
-	if (ppos)
-		*ppos = msglen;
-	return msglen;
-}
-
-/* We could be much more efficient here.  But to keep this function
- * simple we allocate a page to the block list no matter how small the
- * count is.  If the system is low on memory it will be just as well
- * that we fail....
- */
-static ssize_t rtas_flash_write(struct file *file, const char __user *buffer,
-				size_t count, loff_t *off)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_update_flash_t *uf;
-	char *p;
-	int next_free;
-	struct flash_block_list *fl;
-
-	uf = (struct rtas_update_flash_t *) dp->data;
-
-	if (uf->status == FLASH_AUTH || count == 0)
-		return count;	/* discard data */
-
-	/* In the case that the image is not ready for flashing, the memory
-	 * allocated for the block list will be freed upon the release of the 
-	 * proc file
-	 */
-	if (uf->flist == NULL) {
-		uf->flist = (struct flash_block_list *) get_zeroed_page(GFP_KERNEL);
-		if (!uf->flist)
-			return -ENOMEM;
-	}
-
-	fl = uf->flist;
-	while (fl->next)
-		fl = fl->next; /* seek to last block_list for append */
-	next_free = fl->num_blocks;
-	if (next_free == FLASH_BLOCKS_PER_NODE) {
-		/* Need to allocate another block_list */
-		fl->next = (struct flash_block_list *)get_zeroed_page(GFP_KERNEL);
-		if (!fl->next)
-			return -ENOMEM;
-		fl = fl->next;
-		next_free = 0;
-	}
-
-	if (count > PAGE_SIZE)
-		count = PAGE_SIZE;
-	p = (char *)get_zeroed_page(GFP_KERNEL);
-	if (!p)
-		return -ENOMEM;
-	
-	if(copy_from_user(p, buffer, count)) {
-		free_page((unsigned long)p);
-		return -EFAULT;
-	}
-	fl->blocks[next_free].data = p;
-	fl->blocks[next_free].length = count;
-	fl->num_blocks++;
-
-	return count;
-}
-
-static int rtas_excl_open(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *dp = PDE(inode);
-
-	/* Enforce exclusive open with use count of PDE */
-	spin_lock(&flash_file_open_lock);
-	if (atomic_read(&dp->count) > 1) {
-		spin_unlock(&flash_file_open_lock);
-		return -EBUSY;
-	}
-
-	atomic_inc(&dp->count);
-	spin_unlock(&flash_file_open_lock);
-	
-	return 0;
-}
-
-static int rtas_excl_release(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *dp = PDE(inode);
-
-	atomic_dec(&dp->count);
-
-	return 0;
-}
-
-static void manage_flash(struct rtas_manage_flash_t *args_buf)
-{
-	unsigned int wait_time;
-	s32 rc;
-
-	while (1) {
-		rc = rtas_call(rtas_token("ibm,manage-flash-image"), 1, 
-			       1, NULL, args_buf->op);
-		if (rc == RTAS_RC_BUSY)
-			udelay(1);
-		else if (rtas_is_extended_busy(rc)) {
-			wait_time = rtas_extended_busy_delay_time(rc);
-			udelay(wait_time * 1000);
-		} else
-			break;
-	}
-
-	args_buf->status = rc;
-}
-
-static ssize_t manage_flash_read(struct file *file, char __user *buf,
-			       size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_manage_flash_t *args_buf;
-	char msg[RTAS_MSG_MAXLEN];
-	int msglen;
-
-	args_buf = (struct rtas_manage_flash_t *) dp->data;
-	if (args_buf == NULL)
-		return 0;
-
-	msglen = sprintf(msg, "%d\n", args_buf->status);
-	if (msglen > count)
-		msglen = count;
-
-	if (ppos && *ppos != 0)
-		return 0;	/* be cheap */
-
-	if (!access_ok(VERIFY_WRITE, buf, msglen))
-		return -EINVAL;
-
-	if (copy_to_user(buf, msg, msglen))
-		return -EFAULT;
-
-	if (ppos)
-		*ppos = msglen;
-	return msglen;
-}
-
-static ssize_t manage_flash_write(struct file *file, const char __user *buf,
-				size_t count, loff_t *off)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_manage_flash_t *args_buf;
-	const char reject_str[] = "0";
-	const char commit_str[] = "1";
-	char stkbuf[10];
-	int op;
-
-	args_buf = (struct rtas_manage_flash_t *) dp->data;
-	if ((args_buf->status == MANAGE_AUTH) || (count == 0))
-		return count;
-		
-	op = -1;
-	if (buf) {
-		if (count > 9) count = 9;
-		if (copy_from_user (stkbuf, buf, count)) {
-			return -EFAULT;
-		}
-		if (strncmp(stkbuf, reject_str, strlen(reject_str)) == 0) 
-			op = RTAS_REJECT_TMP_IMG;
-		else if (strncmp(stkbuf, commit_str, strlen(commit_str)) == 0) 
-			op = RTAS_COMMIT_TMP_IMG;
-	}
-	
-	if (op == -1)   /* buf is empty, or contains invalid string */
-		return -EINVAL;
-
-	args_buf->op = op;
-	manage_flash(args_buf);
-
-	return count;
-}
-
-static void validate_flash(struct rtas_validate_flash_t *args_buf)
-{
-	int token = rtas_token("ibm,validate-flash-image");
-	unsigned int wait_time;
-	int update_results;
-	s32 rc;	
-
-	rc = 0;
-	while(1) {
-		spin_lock(&rtas_data_buf_lock);
-		memcpy(rtas_data_buf, args_buf->buf, VALIDATE_BUF_SIZE);
-		rc = rtas_call(token, 2, 2, &update_results, 
-			       (u32) __pa(rtas_data_buf), args_buf->buf_size);
-		memcpy(args_buf->buf, rtas_data_buf, VALIDATE_BUF_SIZE);
-		spin_unlock(&rtas_data_buf_lock);
-			
-		if (rc == RTAS_RC_BUSY)
-			udelay(1);
-		else if (rtas_is_extended_busy(rc)) {
-			wait_time = rtas_extended_busy_delay_time(rc);
-			udelay(wait_time * 1000);
-		} else
-			break;
-	}
-
-	args_buf->status = rc;
-	args_buf->update_results = update_results;
-}
-
-static int get_validate_flash_msg(struct rtas_validate_flash_t *args_buf, 
-		                   char *msg)
-{
-	int n;
-
-	if (args_buf->status >= VALIDATE_TMP_UPDATE) { 
-		n = sprintf(msg, "%d\n", args_buf->update_results);
-		if ((args_buf->update_results >= VALIDATE_CUR_UNKNOWN) ||
-		    (args_buf->update_results == VALIDATE_TMP_UPDATE))
-			n += sprintf(msg + n, "%s\n", args_buf->buf);
-	} else {
-		n = sprintf(msg, "%d\n", args_buf->status);
-	}
-	return n;
-}
-
-static ssize_t validate_flash_read(struct file *file, char __user *buf,
-			       size_t count, loff_t *ppos)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_validate_flash_t *args_buf;
-	char msg[RTAS_MSG_MAXLEN];
-	int msglen;
-
-	args_buf = (struct rtas_validate_flash_t *) dp->data;
-
-	if (ppos && *ppos != 0)
-		return 0;	/* be cheap */
-	
-	msglen = get_validate_flash_msg(args_buf, msg);
-	if (msglen > count)
-		msglen = count;
-
-	if (!access_ok(VERIFY_WRITE, buf, msglen))
-		return -EINVAL;
-
-	if (copy_to_user(buf, msg, msglen))
-		return -EFAULT;
-
-	if (ppos)
-		*ppos = msglen;
-	return msglen;
-}
-
-static ssize_t validate_flash_write(struct file *file, const char __user *buf,
-				    size_t count, loff_t *off)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_validate_flash_t *args_buf;
-	int rc;
-
-	args_buf = (struct rtas_validate_flash_t *) dp->data;
-
-	if (dp->data == NULL) {
-		dp->data = kmalloc(sizeof(struct rtas_validate_flash_t), 
-				GFP_KERNEL);
-		if (dp->data == NULL) 
-			return -ENOMEM;
-	}
-
-	/* We are only interested in the first 4K of the
-	 * candidate image */
-	if ((*off >= VALIDATE_BUF_SIZE) || 
-		(args_buf->status == VALIDATE_AUTH)) {
-		*off += count;
-		return count;
-	}
-
-	if (*off + count >= VALIDATE_BUF_SIZE)  {
-		count = VALIDATE_BUF_SIZE - *off;
-		args_buf->status = VALIDATE_READY;	
-	} else {
-		args_buf->status = VALIDATE_INCOMPLETE;
-	}
-
-	if (!access_ok(VERIFY_READ, buf, count)) {
-		rc = -EFAULT;
-		goto done;
-	}
-	if (copy_from_user(args_buf->buf + *off, buf, count)) {
-		rc = -EFAULT;
-		goto done;
-	}
-
-	*off += count;
-	rc = count;
-done:
-	if (rc < 0) {
-		kfree(dp->data);
-		dp->data = NULL;
-	}
-	return rc;
-}
-
-static int validate_flash_release(struct inode *inode, struct file *file)
-{
-	struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
-	struct rtas_validate_flash_t *args_buf;
-
-	args_buf = (struct rtas_validate_flash_t *) dp->data;
-
-	if (args_buf->status == VALIDATE_READY) {
-		args_buf->buf_size = VALIDATE_BUF_SIZE;
-		validate_flash(args_buf);
-	}
-
-	/* The matching atomic_inc was in rtas_excl_open() */
-	atomic_dec(&dp->count);
-
-	return 0;
-}
-
-static void remove_flash_pde(struct proc_dir_entry *dp)
-{
-	if (dp) {
-		if (dp->data != NULL)
-			kfree(dp->data);
-		dp->owner = NULL;
-		remove_proc_entry(dp->name, dp->parent);
-	}
-}
-
-static int initialize_flash_pde_data(const char *rtas_call_name,
-				     size_t buf_size,
-				     struct proc_dir_entry *dp)
-{
-	int *status;
-	int token;
-
-	dp->data = kmalloc(buf_size, GFP_KERNEL);
-	if (dp->data == NULL) {
-		remove_flash_pde(dp);
-		return -ENOMEM;
-	}
-
-	memset(dp->data, 0, buf_size);
-
-	/*
-	 * This code assumes that the status int is the first member of the
-	 * struct 
-	 */
-	status = (int *) dp->data;
-	token = rtas_token(rtas_call_name);
-	if (token == RTAS_UNKNOWN_SERVICE)
-		*status = FLASH_AUTH;
-	else
-		*status = FLASH_NO_OP;
-
-	return 0;
-}
-
-static struct proc_dir_entry *create_flash_pde(const char *filename,
-					       struct file_operations *fops)
-{
-	struct proc_dir_entry *ent = NULL;
-
-	ent = create_proc_entry(filename, S_IRUSR | S_IWUSR, NULL);
-	if (ent != NULL) {
-		ent->nlink = 1;
-		ent->proc_fops = fops;
-		ent->owner = THIS_MODULE;
-	}
-
-	return ent;
-}
-
-static struct file_operations rtas_flash_operations = {
-	.read		= rtas_flash_read,
-	.write		= rtas_flash_write,
-	.open		= rtas_excl_open,
-	.release	= rtas_flash_release,
-};
-
-static struct file_operations manage_flash_operations = {
-	.read		= manage_flash_read,
-	.write		= manage_flash_write,
-	.open		= rtas_excl_open,
-	.release	= rtas_excl_release,
-};
-
-static struct file_operations validate_flash_operations = {
-	.read		= validate_flash_read,
-	.write		= validate_flash_write,
-	.open		= rtas_excl_open,
-	.release	= validate_flash_release,
-};
-
-int __init rtas_flash_init(void)
-{
-	int rc;
-
-	if (rtas_token("ibm,update-flash-64-and-reboot") ==
-		       RTAS_UNKNOWN_SERVICE) {
-		printk(KERN_ERR "rtas_flash: no firmware flash support\n");
-		return 1;
-	}
-
-	firmware_flash_pde = create_flash_pde("ppc64/rtas/"
-					      FIRMWARE_FLASH_NAME,
-					      &rtas_flash_operations);
-	if (firmware_flash_pde == NULL) {
-		rc = -ENOMEM;
-		goto cleanup;
-	}
-
-	rc = initialize_flash_pde_data("ibm,update-flash-64-and-reboot",
-			 	       sizeof(struct rtas_update_flash_t), 
-				       firmware_flash_pde);
-	if (rc != 0)
-		goto cleanup;
-
-	firmware_update_pde = create_flash_pde("ppc64/rtas/"
-					       FIRMWARE_UPDATE_NAME,
-					       &rtas_flash_operations);
-	if (firmware_update_pde == NULL) {
-		rc = -ENOMEM;
-		goto cleanup;
-	}
-
-	rc = initialize_flash_pde_data("ibm,update-flash-64-and-reboot",
-			 	       sizeof(struct rtas_update_flash_t), 
-				       firmware_update_pde);
-	if (rc != 0)
-		goto cleanup;
-
-	validate_pde = create_flash_pde("ppc64/rtas/" VALIDATE_FLASH_NAME,
-			      		&validate_flash_operations);
-	if (validate_pde == NULL) {
-		rc = -ENOMEM;
-		goto cleanup;
-	}
-
-	rc = initialize_flash_pde_data("ibm,validate-flash-image",
-		                       sizeof(struct rtas_validate_flash_t), 
-				       validate_pde);
-	if (rc != 0)
-		goto cleanup;
-
-	manage_pde = create_flash_pde("ppc64/rtas/" MANAGE_FLASH_NAME,
-				      &manage_flash_operations);
-	if (manage_pde == NULL) {
-		rc = -ENOMEM;
-		goto cleanup;
-	}
-
-	rc = initialize_flash_pde_data("ibm,manage-flash-image",
-			               sizeof(struct rtas_manage_flash_t),
-				       manage_pde);
-	if (rc != 0)
-		goto cleanup;
-
-	return 0;
-
-cleanup:
-	remove_flash_pde(firmware_flash_pde);
-	remove_flash_pde(firmware_update_pde);
-	remove_flash_pde(validate_pde);
-	remove_flash_pde(manage_pde);
-
-	return rc;
-}
-
-void __exit rtas_flash_cleanup(void)
-{
-	remove_flash_pde(firmware_flash_pde);
-	remove_flash_pde(firmware_update_pde);
-	remove_flash_pde(validate_pde);
-	remove_flash_pde(manage_pde);
-}
-
-module_init(rtas_flash_init);
-module_exit(rtas_flash_cleanup);
-MODULE_LICENSE("GPL");