1 files changed, 0 insertions, 118 deletions
diff --git a/backport/compat/compat-3.1.c b/backport/compat/compat-3.1.c
deleted file mode 100644
index 26187809..00000000
--- a/backport/compat/compat-3.1.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright 2012    Hauke Mehrtens <hauke@hauke-m.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Backport functionality introduced in Linux 3.1.
- */
-
-#include <linux/idr.h>
-#include <linux/cpufreq.h>
-#include <linux/of.h>
-
-static DEFINE_SPINLOCK(compat_simple_ida_lock);
-
-/**
- * ida_simple_get - get a new id.
- * @ida: the (initialized) ida.
- * @start: the minimum id (inclusive, < 0x8000000)
- * @end: the maximum id (exclusive, < 0x8000000 or 0)
- * @gfp_mask: memory allocation flags
- *
- * Allocates an id in the range start <= id < end, or returns -ENOSPC.
- * On memory allocation failure, returns -ENOMEM.
- *
- * Use ida_simple_remove() to get rid of an id.
- */
-int ida_simple_get(struct ida *ida, unsigned int start, unsigned int end,
-		   gfp_t gfp_mask)
-{
-	int ret, id;
-	unsigned int max;
-	unsigned long flags;
-
-	BUG_ON((int)start < 0);
-	BUG_ON((int)end < 0);
-
-	if (end == 0)
-		max = 0x80000000;
-	else {
-		BUG_ON(end < start);
-		max = end - 1;
-	}
-
-again:
-	if (!ida_pre_get(ida, gfp_mask))
-		return -ENOMEM;
-
-	spin_lock_irqsave(&compat_simple_ida_lock, flags);
-	ret = ida_get_new_above(ida, start, &id);
-	if (!ret) {
-		if (id > max) {
-			ida_remove(ida, id);
-			ret = -ENOSPC;
-		} else {
-			ret = id;
-		}
-	}
-	spin_unlock_irqrestore(&compat_simple_ida_lock, flags);
-
-	if (unlikely(ret == -EAGAIN))
-		goto again;
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(ida_simple_get);
-
-/**
- * ida_simple_remove - remove an allocated id.
- * @ida: the (initialized) ida.
- * @id: the id returned by ida_simple_get.
- */
-void ida_simple_remove(struct ida *ida, unsigned int id)
-{
-	unsigned long flags;
-
-	BUG_ON((int)id < 0);
-	spin_lock_irqsave(&compat_simple_ida_lock, flags);
-	ida_remove(ida, id);
-	spin_unlock_irqrestore(&compat_simple_ida_lock, flags);
-}
-EXPORT_SYMBOL_GPL(ida_simple_remove);
-/* source lib/idr.c */
-
-#ifdef CONFIG_OF
-/**
- * of_property_read_u32_array - Find and read an array of 32 bit integers
- * from a property.
- *
- * @np:		device node from which the property value is to be read.
- * @propname:	name of the property to be searched.
- * @out_values:	pointer to return value, modified only if return value is 0.
- * @sz:		number of array elements to read
- *
- * Search for a property in a device node and read 32-bit value(s) from
- * it. Returns 0 on success, -EINVAL if the property does not exist,
- * -ENODATA if property does not have a value, and -EOVERFLOW if the
- * property data isn't large enough.
- *
- * The out_values is modified only if a valid u32 value can be decoded.
- */
-int of_property_read_u32_array(const struct device_node *np,
-			       const char *propname, u32 *out_values,
-			       size_t sz)
-{
-	const __be32 *val = of_find_property_value_of_size(np, propname,
-						(sz * sizeof(*out_values)));
-
-	if (IS_ERR(val))
-		return PTR_ERR(val);
-
-	while (sz--)
-		*out_values++ = be32_to_cpup(val++);
-	return 0;
-}
-EXPORT_SYMBOL_GPL(of_property_read_u32_array);
-#endif