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authorDan Williams <dan.j.williams@intel.com>2017-04-12 21:59:01 -0700
committerDan Williams <dan.j.williams@intel.com>2017-04-12 21:59:01 -0700
commitbfca9acf1a5df0ff98fbf47e363adb48612bb7ec (patch)
treea50287c88fdc60a73912d205d7bce41b7af53827 /arch/powerpc/include/asm/bitops.h
parent92a3fa075d3d2716b9c662814540f1d660cbf2f5 (diff)
parent11e63f6d920d6f2dfd3cd421e939a4aec9a58dcd (diff)
Merge branch 'for-4.11/libnvdimm' into for-4.12/dax
Diffstat (limited to 'arch/powerpc/include/asm/bitops.h')
-rw-r--r--arch/powerpc/include/asm/bitops.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index 73eb794d6163..bc5fdfd22788 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -51,6 +51,10 @@
#define PPC_BIT(bit) (1UL << PPC_BITLSHIFT(bit))
#define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs))
+/* Put a PPC bit into a "normal" bit position */
+#define PPC_BITEXTRACT(bits, ppc_bit, dst_bit) \
+ ((((bits) >> PPC_BITLSHIFT(ppc_bit)) & 1) << (dst_bit))
+
#include <asm/barrier.h>
/* Macro for generating the ***_bits() functions */