Blackfin: add bfin_write_{or,and} helpers (b5fc12df) · Commits · e / devices / android_kernel_teracube_emerald

arch/blackfin/include/asm/def_LPBlackfin.h

+14 −2

Original line number	Diff line number	Diff line
		@@ -58,14 +58,26 @@
		({ BUG(); 0; }); \
		})
		#define bfin_write(addr, val) \
		({ \
		do { \
		switch (sizeof(*(addr))) { \
		case 1: bfin_write8(addr, val); break; \
		case 2: bfin_write16(addr, val); break; \
		case 4: bfin_write32(addr, val); break; \
		default: BUG(); \
		} \
		})
		} while (0)

		#define bfin_write_or(addr, bits) \
		do { \
		void __addr = (void )(addr); \
		bfin_write(__addr, bfin_read(__addr) \| (bits)); \
		} while (0)

		#define bfin_write_and(addr, bits) \
		do { \
		void __addr = (void )(addr); \
		bfin_write(__addr, bfin_read(__addr) & (bits)); \
		} while (0)

		#endif /* __ASSEMBLY__ */