Merge "drivers: of: Add early param memrsv"

static u32 of_fdt_crc32;

/*

 * Reserve memory via command line if needed.

 */

static int __init early_memory_reserve(char *p)

{

	phys_addr_t base, size;

	int nomap;

	char *endp = p;

	while (1) {

		base = memparse(endp, &endp);

		if (base && (*endp == ',')) {

			size = memparse(endp + 1, &endp);

			if (size && (*endp == ',')) {

				if (memcmp(endp + 1, "nomap", 5) == 0) {

					nomap = 1;

					endp += 6;

				} else if (memcmp(endp + 1, "map", 3) == 0) {

					nomap = 0;

					endp += 4;

				} else

					break;

				if (early_init_dt_reserve_memory_arch(base,

					size, nomap) == 0)

					pr_debug(

					"Early reserved memory: region : base %pa, size %ld MiB\n",

					&base, (unsigned long)size / SZ_1M);

				else

					pr_info(

					"Early reserved memory: failed : base %pa, size %ld MiB\n",

					&base, (unsigned long)size / SZ_1M);

				if (*endp == ';')

					endp++;

				else

					break;

			} else

				break;

		} else

			break;

	}

	return 0;

}

early_param("memrsv", early_memory_reserve);

/**

 * res_mem_reserve_reg() - reserve all memory described in 'reg' property

 */