1 files changed, 5 insertions, 5 deletions

diff --git a/lib/logic_pio.c b/lib/logic_pio.c
index 761296376fbc..d0165c88f705 100644
--- a/lib/logic_pio.c
+++ b/lib/logic_pio.c
@@ -35,7 +35,7 @@ int logic_pio_register_range(struct logic_pio_hwaddr *new_range)
         struct logic_pio_hwaddr *range;
         resource_size_t start;
         resource_size_t end;
-        resource_size_t mmio_sz = 0;
+        resource_size_t mmio_end = 0;
         resource_size_t iio_sz = MMIO_UPPER_LIMIT;
         int ret = 0;
 
@@ -56,7 +56,7 @@ int logic_pio_register_range(struct logic_pio_hwaddr *new_range)
                         /* for MMIO ranges we need to check for overlap */
                         if (start >= range->hw_start + range->size ||
                             end < range->hw_start) {
-                                mmio_sz += range->size;
+                                mmio_end = range->io_start + range->size;
                         } else {
                                 ret = -EFAULT;
                                 goto end_register;
@@ -69,16 +69,16 @@ int logic_pio_register_range(struct logic_pio_hwaddr *new_range)
 
         /* range not registered yet, check for available space */
         if (new_range->flags == LOGIC_PIO_CPU_MMIO) {
-                if (mmio_sz + new_range->size - 1 > MMIO_UPPER_LIMIT) {
+                if (mmio_end + new_range->size - 1 > MMIO_UPPER_LIMIT) {
                         /* if it's too big check if 64K space can be reserved */
-                        if (mmio_sz + SZ_64K - 1 > MMIO_UPPER_LIMIT) {
+                        if (mmio_end + SZ_64K - 1 > MMIO_UPPER_LIMIT) {
                                 ret = -E2BIG;
                                 goto end_register;
                         }
                         new_range->size = SZ_64K;
                         pr_warn("Requested IO range too big, new size set to 64K\n");
                 }
-                new_range->io_start = mmio_sz;
+                new_range->io_start = mmio_end;
         } else if (new_range->flags == LOGIC_PIO_INDIRECT) {
                 if (iio_sz + new_range->size - 1 > IO_SPACE_LIMIT) {
                         ret = -E2BIG;