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-rw-r--r--include/linux/bitops.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index d03c5dd..8a7e992 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -228,6 +228,32 @@ static inline unsigned long __ffs64(u64 word)
return __ffs((unsigned long)word);
}
+/*
+ * clear_bit32 - Clear a bit in memory for u32 array
+ * @nr: Bit to clear
+ * @addr: u32 * address of bitmap
+ *
+ * Same as clear_bit, but avoids needing casts for u32 arrays.
+ */
+
+static __always_inline void clear_bit32(long nr, volatile u32 *addr)
+{
+ clear_bit(nr, (volatile unsigned long *)addr);
+}
+
+/*
+ * set_bit32 - Set a bit in memory for u32 array
+ * @nr: Bit to clear
+ * @addr: u32 * address of bitmap
+ *
+ * Same as set_bit, but avoids needing casts for u32 arrays.
+ */
+
+static __always_inline void set_bit32(long nr, volatile u32 *addr)
+{
+ set_bit(nr, (volatile unsigned long *)addr);
+}
+
#ifdef __KERNEL__
#ifndef set_mask_bits
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