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-rw-r--r--backport/compat/backport-3.12.c72
1 files changed, 0 insertions, 72 deletions
diff --git a/backport/compat/backport-3.12.c b/backport/compat/backport-3.12.c
deleted file mode 100644
index c9b21e86..00000000
--- a/backport/compat/backport-3.12.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de>
- *
- * Backport functionality introduced in Linux 3.12.
- *
- * 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.
- */
-
-#include <linux/export.h>
-#include <linux/hid.h>
-#include <linux/bug.h>
-#include <linux/math64.h>
-
-/*
- * Allocator for buffer that is going to be passed to hid_output_report()
- */
-u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
-{
- /*
- * 7 extra bytes are necessary to achieve proper functionality
- * of implement() working on 8 byte chunks
- */
-
- int len = ((report->size - 1) >> 3) + 1 + (report->id > 0) + 7;
-
- return kmalloc(len, flags);
-}
-EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
-
-#if BITS_PER_LONG == 32
-/**
- * div64_u64_rem - unsigned 64bit divide with 64bit divisor and remainder
- * @dividend: 64bit dividend
- * @divisor: 64bit divisor
- * @remainder: 64bit remainder
- *
- * This implementation is a comparable to algorithm used by div64_u64.
- * But this operation, which includes math for calculating the remainder,
- * is kept distinct to avoid slowing down the div64_u64 operation on 32bit
- * systems.
- */
-#ifndef backports_div64_u64_rem_add
-u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder)
-{
- u32 high = divisor >> 32;
- u64 quot;
-
- if (high == 0) {
- u32 rem32;
- quot = div_u64_rem(dividend, divisor, &rem32);
- *remainder = rem32;
- } else {
- int n = 1 + fls(high);
- quot = div_u64(dividend >> n, divisor >> n);
-
- if (quot != 0)
- quot--;
-
- *remainder = dividend - quot * divisor;
- if (*remainder >= divisor) {
- quot++;
- *remainder -= divisor;
- }
- }
-
- return quot;
-}
-EXPORT_SYMBOL_GPL(div64_u64_rem);
-#endif /* backports_div64_u64_rem_add */
-#endif /* BITS_PER_LONG */