diff --git a/arch/arm/mach-mediatek/tzcfg.c b/arch/arm/mach-mediatek/tzcfg.c
index 71982ba4d20..4dbefd2488d 100644
--- a/arch/arm/mach-mediatek/tzcfg.c
+++ b/arch/arm/mach-mediatek/tzcfg.c
@@ -173,6 +173,7 @@ phys_addr_t board_get_usable_ram_top(phys_size_t total_size)
 
 int arch_misc_init(void)
 {
+	phys_addr_t addr;
 	struct arm_smccc_res res;
 
 	/*
@@ -180,11 +181,14 @@ int arch_misc_init(void)
 	 * there's no need to check the result
 	 */
 	arm_smccc_smc(MTK_SIP_GET_BL31_REGION, 0, 0, 0, 0, 0, 0, 0, &res);
-	lmb_reserve(res.a1, res.a2, LMB_NOMAP);
+	addr = (phys_addr_t)res.a1;
+	lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, &addr, res.a2, LMB_NOMAP);
 
 	arm_smccc_smc(MTK_SIP_GET_BL32_REGION, 0, 0, 0, 0, 0, 0, 0, &res);
+	addr = (phys_addr_t)res.a1;
 	if (!res.a0 && res.a1 && res.a2)
-		lmb_reserve(res.a1, res.a2, LMB_NOMAP);
+		lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, &addr, res.a2,
+				 LMB_NOMAP);
 
 #if IS_ENABLED(CONFIG_CMD_PSTORE)
 	char cmd[64];
diff --git a/arch/powerpc/cpu/mpc85xx/mp.c b/arch/powerpc/cpu/mpc85xx/mp.c
index 8918a401fac..f26583e1d5d 100644
--- a/arch/powerpc/cpu/mpc85xx/mp.c
+++ b/arch/powerpc/cpu/mpc85xx/mp.c
@@ -410,9 +410,9 @@ static void plat_mp_up(unsigned long bootpg, unsigned int pagesize)
 
 void cpu_mp_lmb_reserve(void)
 {
-	u32 bootpg = determine_mp_bootpg(NULL);
+	phys_addr_t bootpg = determine_mp_bootpg(NULL);
 
-	lmb_reserve(bootpg, 4096, LMB_NONE);
+	lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, &bootpg, 4096, LMB_NONE);
 }
 
 void setup_mp(void)
diff --git a/arch/powerpc/lib/misc.c b/arch/powerpc/lib/misc.c
index 7e303419624..fd5546a6af9 100644
--- a/arch/powerpc/lib/misc.c
+++ b/arch/powerpc/lib/misc.c
@@ -36,11 +36,12 @@ int arch_misc_init(void)
 		size = min(size, (ulong)CFG_SYS_LINUX_LOWMEM_MAX_SIZE);
 
 		if (size < bootm_size) {
-			ulong base = bootmap_base + size;
+			phys_addr_t base = bootmap_base + size;
 
 			printf("WARNING: adjusting available memory from 0x%lx to 0x%llx\n",
 			       size, (unsigned long long)bootm_size);
-			lmb_reserve(base, bootm_size - size, LMB_NONE);
+			lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, &base,
+					 bootm_size - size, LMB_NONE);
 		}
 
 #ifdef CONFIG_MP
diff --git a/boot/bootm.c b/boot/bootm.c
index f5cbb10f0d1..b771fa6d965 100644
--- a/boot/bootm.c
+++ b/boot/bootm.c
@@ -697,8 +697,9 @@ static int bootm_load_os(struct bootm_headers *images, int boot_progress)
 	}
 
 	if (CONFIG_IS_ENABLED(LMB))
-		lmb_reserve(images->os.load, (load_end - images->os.load),
-			    LMB_NONE);
+		lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0,
+				 (void *)&images->os.load,
+				 (load_end - images->os.load), LMB_NONE);
 
 	return 0;
 }
diff --git a/boot/image-board.c b/boot/image-board.c
index 514f8e63f9c..aa93371d9a7 100644
--- a/boot/image-board.c
+++ b/boot/image-board.c
@@ -562,7 +562,9 @@ int boot_ramdisk_high(ulong rd_data, ulong rd_len, ulong *initrd_start,
 			debug("   in-place initrd\n");
 			*initrd_start = rd_data;
 			*initrd_end = rd_data + rd_len;
-			lmb_reserve(rd_data, rd_len, LMB_NONE);
+			lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0,
+					 (void *)&rd_data,
+					 rd_len, LMB_NONE);
 		} else {
 			if (initrd_high)
 				*initrd_start =
diff --git a/boot/image-fdt.c b/boot/image-fdt.c
index 8f718ad29f6..6585813de00 100644
--- a/boot/image-fdt.c
+++ b/boot/image-fdt.c
@@ -73,12 +73,13 @@ static void boot_fdt_reserve_region(u64 addr, u64 size, u32 flags)
 {
 	long ret;
 
-	ret = lmb_reserve(addr, size, flags);
+	ret = lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, (void *)&addr, size,
+			       flags);
 	if (!ret) {
 		debug("   reserving fdt memory region: addr=%llx size=%llx flags=%x\n",
 		      (unsigned long long)addr,
 		      (unsigned long long)size, flags);
-	} else if (ret != -EEXIST) {
+	} else if (ret != -EEXIST && ret != -EINVAL) {
 		puts("ERROR: reserving fdt memory region failed ");
 		printf("(addr=%llx size=%llx flags=%x)\n",
 		       (unsigned long long)addr,
@@ -155,7 +156,7 @@ void boot_fdt_add_mem_rsv_regions(void *fdt_blob)
  */
 int boot_relocate_fdt(char **of_flat_tree, ulong *of_size)
 {
-	u64	start, size, usable, addr, low, mapsize;
+	u64	start, size, usable, low, mapsize;
 	void	*fdt_blob = *of_flat_tree;
 	void	*of_start = NULL;
 	char	*fdt_high;
@@ -163,6 +164,7 @@ int boot_relocate_fdt(char **of_flat_tree, ulong *of_size)
 	int	bank;
 	int	err;
 	int	disable_relocation = 0;
+	phys_addr_t addr;
 
 	/* nothing to do */
 	if (*of_size == 0)
@@ -184,8 +186,16 @@ int boot_relocate_fdt(char **of_flat_tree, ulong *of_size)
 
 		if (desired_addr == ~0UL) {
 			/* All ones means use fdt in place */
-			of_start = fdt_blob;
-			lmb_reserve(map_to_sysmem(of_start), of_len, LMB_NONE);
+			addr = map_to_sysmem(fdt_blob);
+			err = lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, &addr,
+					       of_len, LMB_NONE);
+			if (err) {
+				printf("Failed to reserve memory for fdt at %#llx\n",
+				       (u64)addr);
+				goto error;
+			}
+
+			of_start = (void *)(uintptr_t)addr;
 			disable_relocation = 1;
 		} else if (desired_addr) {
 			addr = lmb_alloc_base(of_len, 0x1000, desired_addr,
@@ -682,8 +692,17 @@ int image_setup_libfdt(struct bootm_headers *images, void *blob, bool lmb)
 	of_size = ret;
 
 	/* Create a new LMB reservation */
-	if (CONFIG_IS_ENABLED(LMB) && lmb)
-		lmb_reserve(map_to_sysmem(blob), of_size, LMB_NONE);
+	if (CONFIG_IS_ENABLED(LMB) && lmb) {
+		phys_addr_t fdt_addr;
+
+		fdt_addr = map_to_sysmem(blob);
+		ret = lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, &fdt_addr,
+				       of_size, LMB_NONE);
+		if (ret) {
+			printf("Failed to reserve memory for the fdt at %#llx\n",
+			       (u64)fdt_addr);
+		}
+	}
 
 #if defined(CONFIG_ARCH_KEYSTONE)
 	if (IS_ENABLED(CONFIG_OF_BOARD_SETUP))
diff --git a/cmd/booti.c b/cmd/booti.c
index 1a57fe91397..0dd397d85db 100644
--- a/cmd/booti.c
+++ b/cmd/booti.c
@@ -87,7 +87,13 @@ static int booti_start(struct bootm_info *bmi)
 	images->os.start = relocated_addr;
 	images->os.end = relocated_addr + image_size;
 
-	lmb_reserve(images->ep, le32_to_cpu(image_size), LMB_NONE);
+	ret = lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, (void *)&images->ep,
+			       le32_to_cpu(image_size), LMB_NONE);
+	if (ret) {
+		printf("Failed to allocate memory for the image at %#llx\n",
+		       (unsigned long long)images->ep);
+		return 1;
+	}
 
 	/*
 	 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
diff --git a/cmd/bootz.c b/cmd/bootz.c
index 99318ff213f..b768047c7a9 100644
--- a/cmd/bootz.c
+++ b/cmd/bootz.c
@@ -56,7 +56,13 @@ static int bootz_start(struct cmd_tbl *cmdtp, int flag, int argc,
 	if (ret != 0)
 		return 1;
 
-	lmb_reserve(images->ep, zi_end - zi_start, LMB_NONE);
+	ret = lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, (void *)&images->ep,
+			       zi_end - zi_start, LMB_NONE);
+	if (ret) {
+		printf("Failed to allocate memory for the image at %#llx\n",
+		       (unsigned long long)images->ep);
+		return 1;
+	}
 
 	/*
 	 * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
diff --git a/cmd/load.c b/cmd/load.c
index 899bb4f598e..3a4d52ef522 100644
--- a/cmd/load.c
+++ b/cmd/load.c
@@ -179,7 +179,9 @@ static ulong load_serial(long offset)
 		    {
 			void *dst;
 
-			ret = lmb_reserve(store_addr, binlen, LMB_NONE);
+			ret = lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0,
+					       (void *)&store_addr, binlen,
+					       LMB_NONE);
 			if (ret) {
 				printf("\nCannot overwrite reserved area (%08lx..%08lx)\n",
 					store_addr, store_addr + binlen);
diff --git a/fs/fs.c b/fs/fs.c
index 1f36872fb9a..c815bea2394 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -597,7 +597,8 @@ static int fs_read_lmb_check(const char *filename, ulong addr, loff_t offset,
 
 	lmb_dump_all();
 
-	if (!lmb_alloc_addr(addr, read_len, LMB_NONE))
+	if (!lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, (void *)&addr, read_len,
+			      LMB_NONE))
 		return 0;
 
 	log_err("** Reading file would overwrite reserved memory **\n");
diff --git a/include/lmb.h b/include/lmb.h
index 606a92cca48..a9722e1910b 100644
--- a/include/lmb.h
+++ b/include/lmb.h
@@ -31,6 +31,14 @@
 #define LMB_NOOVERWRITE BIT(2)
 #define LMB_NONOTIFY BIT(3)
 
+/**
+ * enum lmb_mem_type - type of memory allocation request
+ * @LMB_MEM_ALLOC_ADDR:	request for a particular region of memory
+ */
+enum lmb_mem_type {
+	LMB_MEM_ALLOC_ADDR = 1,
+};
+
 /**
  * enum lmb_map_op - memory map operation
  */
@@ -67,6 +75,33 @@ struct lmb {
 	bool test;
 };
 
+/**
+ * lmb_allocate_mem() - Request LMB memory
+ * @type:		Type of memory allocation request
+ * @align:		Alignment of the memory region requested(0 for none)
+ * @addr:		Base address of the allocated memory region
+ * @size:		Size in bytes of the allocation request
+ * @flags:		Memory region attributes to be set
+ *
+ * Allocate a region of memory where the allocation is based on the parameters
+ * that have been passed to the function.The first parameter specifies the
+ * type of allocation that is being requested. The align parameter is used
+ * to specify if the allocation is to be made with a particular alignment.
+ * It is 0 if there is no alignment requirement. The addr parameter is used
+ * to return the base address of the allocated region. Depending on the type
+ * of allocation request, it might also contain a particular address being
+ * requested, or the maximum address of the requested allocation. The flags
+ * parameter is used to specify the memory attributes of the requested region.
+ *
+ * Return: 0 on success, -ve value on failure
+ *
+ * When the allocation is of type LMB_MEM_ALLOC_ADDR, the return value can
+ * be -EINVAL if the requested memory region is not part of the LMB memory
+ * map, and -EEXIST if the requested region is already allocated.
+ */
+int lmb_allocate_mem(enum lmb_mem_type type, u64 align, phys_addr_t *addr,
+		     phys_size_t size, u32 flags);
+
 /**
  * lmb_init() - Initialise the LMB module.
  *
@@ -91,19 +126,6 @@ void lmb_add_memory(void);
 
 long lmb_add(phys_addr_t base, phys_size_t size);
 
-/**
- * lmb_reserve() - Reserve one region with a specific flags bitfield
- * @base: Base address of the memory region
- * @size: Size of the memory region
- * @flags: Flags for the memory region
- *
- * Return:
- * * %0		- Added successfully, or it's already added (only if LMB_NONE)
- * * %-EEXIST	- The region is already added, and flags != LMB_NONE
- * * %-1	- Failure
- */
-long lmb_reserve(phys_addr_t base, phys_size_t size, u32 flags);
-
 phys_addr_t lmb_alloc(phys_size_t size, ulong align);
 phys_size_t lmb_get_free_size(phys_addr_t addr);
 
@@ -124,21 +146,6 @@ phys_size_t lmb_get_free_size(phys_addr_t addr);
 phys_addr_t lmb_alloc_base(phys_size_t size, ulong align, phys_addr_t max_addr,
 			   uint flags);
 
-/**
- * lmb_alloc_addr() - Allocate specified memory address with specified attributes
- *
- * @base: Base Address requested
- * @size: Size of the region requested
- * @flags: Memory region attributes to be set
- *
- * Allocate a region of memory with the attributes specified through the
- * parameter. The base parameter is used to specify the base address
- * of the requested region.
- *
- * Return: 0 on success -1 on error
- */
-int lmb_alloc_addr(phys_addr_t base, phys_size_t size, u32 flags);
-
 /**
  * lmb_is_reserved_flags() - Test if address is in reserved region with flag
  *			     bits set
@@ -175,7 +182,7 @@ void lmb_pop(struct lmb *store);
 
 static inline int lmb_read_check(phys_addr_t addr, phys_size_t len)
 {
-	return lmb_alloc_addr(addr, len, LMB_NONE);
+	return lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, &addr, len, LMB_NONE);
 }
 
 /**
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index 0abb1f6159a..12a7fd1f3bf 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -493,7 +493,7 @@ efi_status_t efi_allocate_pages(enum efi_allocate_type type,
 			return EFI_NOT_FOUND;
 
 		addr = map_to_sysmem((void *)(uintptr_t)*memory);
-		if (lmb_alloc_addr(addr, len, flags))
+		if (lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, &addr, len, flags))
 			return EFI_NOT_FOUND;
 		break;
 	default:
diff --git a/lib/lmb.c b/lib/lmb.c
index bb6f232f6bc..c536465a501 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -488,6 +488,54 @@ void lmb_dump_all(void)
 #endif
 }
 
+/**
+ * lmb_can_reserve_region() - check if the region can be reserved
+ * @base: base address of region to be reserved
+ * @size: size of region to be reserved
+ * @flags: flag of the region to be reserved
+ *
+ * Go through all the reserved regions and ensure that the requested
+ * region does not overlap with any existing regions. An overlap is
+ * allowed only when the flag of the request region and the existing
+ * region is LMB_NONE.
+ *
+ * Return: true if region can be reserved, false otherwise
+ */
+static bool lmb_can_reserve_region(phys_addr_t base, phys_size_t size,
+				   u32 flags)
+{
+	uint i;
+	struct lmb_region *lmb_reserved = lmb.used_mem.data;
+
+	for (i = 0; i < lmb.used_mem.count; i++) {
+		u32 rgnflags = lmb_reserved[i].flags;
+		phys_addr_t rgnbase = lmb_reserved[i].base;
+		phys_size_t rgnsize = lmb_reserved[i].size;
+
+		if (lmb_addrs_overlap(base, size, rgnbase, rgnsize)) {
+			if (flags != LMB_NONE || flags != rgnflags)
+				return false;
+		}
+	}
+
+	return true;
+}
+
+static long lmb_reserve(phys_addr_t base, phys_size_t size, u32 flags)
+{
+	long ret = 0;
+	struct alist *lmb_rgn_lst = &lmb.used_mem;
+
+	if (!lmb_can_reserve_region(base, size, flags))
+		return -EEXIST;
+
+	ret = lmb_add_region_flags(lmb_rgn_lst, base, size, flags);
+	if (ret)
+		return ret;
+
+	return lmb_map_update_notify(base, size, LMB_MAP_OP_RESERVE, flags);
+}
+
 static void lmb_reserve_uboot_region(void)
 {
 	int bank;
@@ -557,39 +605,6 @@ static __maybe_unused void lmb_reserve_common_spl(void)
 	}
 }
 
-/**
- * lmb_can_reserve_region() - check if the region can be reserved
- * @base: base address of region to be reserved
- * @size: size of region to be reserved
- * @flags: flag of the region to be reserved
- *
- * Go through all the reserved regions and ensure that the requested
- * region does not overlap with any existing regions. An overlap is
- * allowed only when the flag of the request region and the existing
- * region is LMB_NONE.
- *
- * Return: true if region can be reserved, false otherwise
- */
-static bool lmb_can_reserve_region(phys_addr_t base, phys_size_t size,
-				   u32 flags)
-{
-	uint i;
-	struct lmb_region *lmb_reserved = lmb.used_mem.data;
-
-	for (i = 0; i < lmb.used_mem.count; i++) {
-		u32 rgnflags = lmb_reserved[i].flags;
-		phys_addr_t rgnbase = lmb_reserved[i].base;
-		phys_size_t rgnsize = lmb_reserved[i].size;
-
-		if (lmb_addrs_overlap(base, size, rgnbase, rgnsize)) {
-			if (flags != LMB_NONE || flags != rgnflags)
-				return false;
-		}
-	}
-
-	return true;
-}
-
 void lmb_add_memory(void)
 {
 	int i;
@@ -657,21 +672,6 @@ long lmb_free(phys_addr_t base, phys_size_t size)
 	return lmb_free_flags(base, size, LMB_NONE);
 }
 
-long lmb_reserve(phys_addr_t base, phys_size_t size, u32 flags)
-{
-	long ret = 0;
-	struct alist *lmb_rgn_lst = &lmb.used_mem;
-
-	if (!lmb_can_reserve_region(base, size, flags))
-		return -EEXIST;
-
-	ret = lmb_add_region_flags(lmb_rgn_lst, base, size, flags);
-	if (ret)
-		return ret;
-
-	return lmb_map_update_notify(base, size, LMB_MAP_OP_RESERVE, flags);
-}
-
 static phys_addr_t _lmb_alloc_base(phys_size_t size, ulong align,
 				   phys_addr_t max_addr, u32 flags)
 {
@@ -742,7 +742,7 @@ phys_addr_t lmb_alloc_base(phys_size_t size, ulong align, phys_addr_t max_addr,
 	return _lmb_alloc_base(size, align, max_addr, flags);
 }
 
-int lmb_alloc_addr(phys_addr_t base, phys_size_t size, u32 flags)
+static int _lmb_alloc_addr(phys_addr_t base, phys_size_t size, u32 flags)
 {
 	long rgn;
 	struct lmb_region *lmb_memory = lmb.available_mem.data;
@@ -756,14 +756,37 @@ int lmb_alloc_addr(phys_addr_t base, phys_size_t size, u32 flags)
 		 */
 		if (lmb_addrs_overlap(lmb_memory[rgn].base,
 				      lmb_memory[rgn].size,
-				      base + size - 1, 1)) {
+				      base + size - 1, 1))
 			/* ok, reserve the memory */
-			if (!lmb_reserve(base, size, flags))
-				return 0;
-		}
+			return lmb_reserve(base, size, flags);
+		else
+			return -EINVAL;
+	}
+
+	return -EINVAL;
+}
+
+int lmb_allocate_mem(enum lmb_mem_type type, u64 align, phys_addr_t *addr,
+		     phys_size_t size, u32 flags)
+{
+	int ret = -1;
+
+	if (!size)
+		return 0;
+
+	if (!addr)
+		return -EINVAL;
+
+	switch (type) {
+	case LMB_MEM_ALLOC_ADDR:
+		ret = _lmb_alloc_addr(*addr, size, flags);
+		break;
+	default:
+		log_debug("%s: Invalid memory allocation type requested %d\n",
+			  __func__, type);
 	}
 
-	return -1;
+	return ret;
 }
 
 /* Return number of bytes from a given address that are free */
diff --git a/test/lib/lmb.c b/test/lib/lmb.c
index 3bf558f7f4f..f80115570e7 100644
--- a/test/lib/lmb.c
+++ b/test/lib/lmb.c
@@ -71,6 +71,19 @@ static int setup_lmb_test(struct unit_test_state *uts, struct lmb *store,
 	return 0;
 }
 
+static int lmb_reserve(phys_addr_t addr, phys_size_t size, u32 flags)
+{
+	int err;
+
+	err = lmb_allocate_mem(LMB_MEM_ALLOC_ADDR, 0, &addr, size, flags);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+#define lmb_alloc_addr(addr, size, flags) lmb_reserve(addr, size, flags)
+
 static int test_multi_alloc(struct unit_test_state *uts, const phys_addr_t ram,
 			    const phys_size_t ram_size, const phys_addr_t ram0,
 			    const phys_size_t ram0_size,
@@ -568,7 +581,7 @@ static int test_alloc_addr(struct unit_test_state *uts, const phys_addr_t ram)
 	b = lmb_alloc_addr(alloc_addr_a, 0x1000, LMB_NONE);
 	ut_asserteq(b, 0);
 	b = lmb_alloc_addr(alloc_addr_a, 0x1000, LMB_NOOVERWRITE);
-	ut_asserteq(b, -1);
+	ut_asserteq(b, -EEXIST);
 	b = lmb_alloc_addr(alloc_addr_a, 0x1000, LMB_NONE);
 	ut_asserteq(b, 0);
 	b = lmb_alloc_addr(alloc_addr_a, 0x2000, LMB_NONE);
@@ -578,9 +591,9 @@ static int test_alloc_addr(struct unit_test_state *uts, const phys_addr_t ram)
 	b = lmb_alloc_addr(alloc_addr_a, 0x1000, LMB_NOOVERWRITE);
 	ut_asserteq(b, 0);
 	b = lmb_alloc_addr(alloc_addr_a, 0x1000, LMB_NONE);
-	ut_asserteq(b, -1);
+	ut_asserteq(b, -EEXIST);
 	b = lmb_alloc_addr(alloc_addr_a, 0x1000, LMB_NOOVERWRITE);
-	ut_asserteq(b, -1);
+	ut_asserteq(b, -EEXIST);
 	ret = lmb_free(alloc_addr_a, 0x1000);
 	ut_asserteq(ret, 0);
 
@@ -599,7 +612,7 @@ static int test_alloc_addr(struct unit_test_state *uts, const phys_addr_t ram)
 		   alloc_addr_a + 0x4000, 0x1000, 0, 0);
 
 	c = lmb_alloc_addr(alloc_addr_a + 0x1000, 0x5000, LMB_NONE);
-	ut_asserteq(c, -1);
+	ut_asserteq(c, -EEXIST);
 	ASSERT_LMB(mem_lst, used_lst, ram, ram_size, 2, alloc_addr_a, 0x1000,
 		   alloc_addr_a + 0x4000, 0x1000, 0, 0);
 
@@ -646,7 +659,7 @@ static int test_alloc_addr(struct unit_test_state *uts, const phys_addr_t ram)
 		   alloc_addr_a + 0x4000, 0x1000, 0, 0);
 
 	c = lmb_alloc_addr(alloc_addr_a + 0x1000, 0x5000, LMB_NOOVERWRITE);
-	ut_asserteq(c, -1);
+	ut_asserteq(c, -EEXIST);
 	ASSERT_LMB(mem_lst, used_lst, ram, ram_size, 2, alloc_addr_a, 0x1000,
 		   alloc_addr_a + 0x4000, 0x1000, 0, 0);
 
@@ -739,11 +752,11 @@ static int test_alloc_addr(struct unit_test_state *uts, const phys_addr_t ram)
 	/* check that allocating outside memory fails */
 	if (ram_end != 0) {
 		ret = lmb_alloc_addr(ram_end, 1, LMB_NONE);
-		ut_asserteq(ret, -1);
+		ut_asserteq(ret, -EINVAL);
 	}
 	if (ram != 0) {
 		ret = lmb_alloc_addr(ram - 1, 1, LMB_NONE);
-		ut_asserteq(ret, -1);
+		ut_asserteq(ret, -EINVAL);
 	}
 
 	lmb_pop(&store);
