[nrf fromlist] arch: arm: core: mpu: allow non-ARM memory attributes

Memory region defined in devicetree can have attributes that are not intended to be parsed by MPU library, but might be valid for other components. Upstream PR: zephyrproject-rtos/zephyr#73545 Signed-off-by: Nikodem Kastelik <[email protected]> (cherry picked from commit b5d3b1f)
anangl · Jul 1, 2024 · ffbd907 · ffbd907
1 parent 33da313
commit ffbd907
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/arch/arm/core/mpu/arm_mpu.c b/arch/arm/core/mpu/arm_mpu.c
@@ -130,12 +130,10 @@ static int mpu_configure_regions_from_dt(uint8_t *reg_index)
 			break;
 #endif
 		default:
-			/* Either the specified `ATTR_MPU_*` attribute does not
-			 * exists or the `REGION_*_ATTR` macro is not defined
-			 * for that attribute.
+			/* Attribute other than ARM-specific is set.
+			 * This region should not be configured in MPU.
 			 */
-			LOG_ERR("Invalid attribute for the region\n");
-			return -EINVAL;
+			continue;
 		}
 #if defined(CONFIG_ARMV7_R)
 		region_conf.size = size_to_mpu_rasr_size(region[idx].dt_size);