These seem to be missing, and trying to build fastboot cmd without
them is causing errors due to these being missing.
Signed-off-by: Maxim Kochetkov <fido_...@inbox.ru>
---
arch/riscv/include/asm/bitops.h | 40 +++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/riscv/include/asm/bitops.h b/arch/riscv/include/asm/bitops.h
index 35f1368b83..2f2994c4dd 100644
--- a/arch/riscv/include/asm/bitops.h
+++ b/arch/riscv/include/asm/bitops.h
@@ -138,6 +138,43 @@ static inline unsigned long ffz(unsigned long word)
return k;
}
+static inline int find_next_zero_bit(void *addr, int size, int offset)
+{
+ unsigned long *p = ((unsigned long *)addr) + (offset / BITS_PER_LONG);
+ unsigned long result = offset & ~(BITS_PER_LONG - 1);
+ unsigned long tmp;
+
+ if (offset >= size)
+ return size;
+ size -= result;
+ offset &= (BITS_PER_LONG - 1);
+ if (offset) {
+ tmp = *(p++);
+ tmp |= ~0UL >> (BITS_PER_LONG - offset);
+ if (size < BITS_PER_LONG)
+ goto found_first;
+ if (~tmp)
+ goto found_middle;
+ size -= BITS_PER_LONG;
+ result += BITS_PER_LONG;
+ }
+ while (size & ~(BITS_PER_LONG - 1)) {
+ tmp = *(p++);
+ if (~tmp)
+ goto found_middle;
+ result += BITS_PER_LONG;
+ size -= BITS_PER_LONG;
+ }
+ if (!size)
+ return result;
+ tmp = *p;
+
+found_first:
+ tmp |= ~0UL << size;
+found_middle:
+ return result + ffz(tmp);
+}
+
/*
* ffs: find first bit set. This is defined the same way as
* the libc and compiler builtin ffs routines, therefore
@@ -158,6 +195,9 @@ static inline unsigned long ffz(unsigned long word)
#define hweight16(x) generic_hweight16(x)
#define hweight8(x) generic_hweight8(x)
+#define find_first_zero_bit(addr, size) \
+ find_next_zero_bit((addr), (size), 0)
+
#define test_and_set_bit __test_and_set_bit
#define test_and_clear_bit __test_and_clear_bit
--
2.45.2
