Prepare for the advent of globally available common field_get() and field_prep() macros by undefining the symbols before defining local variants. This prevents redefinition warnings from the C preprocessor when introducing the common macros later.
Signed-off-by: Mikhail Kshevetskiy <[email protected]> --- drivers/mtd/nand/raw/sunxi_nand.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mtd/nand/raw/sunxi_nand.h b/drivers/mtd/nand/raw/sunxi_nand.h index d7a8b3dd40c..b470e1d3368 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.h +++ b/drivers/mtd/nand/raw/sunxi_nand.h @@ -26,7 +26,9 @@ #include <linux/bitops.h> /* non compile-time field get/prep */ +#undef field_get #define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1)) +#undef field_prep #define field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask)) #define NFC_REG_CTL 0x0000 -- 2.53.0
