arm64/kernel/io.c

13  * This generates a memcpy that works on a from/to address which is aligned to
14  * bits. Count is in terms of the number of bits sized quantities to copy. It
15  * optimizes to use the STR groupings when possible so that it is WC friendly.
17 #define memcpy_toio_aligned(to, from, count, bits)                        \
19 		volatile u##bits __iomem *_to = to;                       \
40 void __iowrite64_copy_full(void __iomem *to, const void *from, size_t count)
42 	memcpy_toio_aligned(to, from, count, 64);
47 void __iowrite32_copy_full(void __iomem *to, const void *from, size_t count)
49 	memcpy_toio_aligned(to, from, count, 32);