[PATCH 1/8] hw/arm/nrf51_soc: Use memory_region_add_subregion() when priority is 0

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

It is pointless to overlap a memory subregion with priority 0.
Use the simpler memory_region_add_subregion() function.

This patch was produced with the following spatch script:

    @@
    expression region;
    expression offset;
    expression subregion;
    @@
    -memory_region_add_subregion_overlap(region, offset, subregion, 0)
    +memory_region_add_subregion(region, offset, subregion)

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/arm/nrf51_soc.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c
index 74029169d0..ade06b225f 100644
--- a/hw/arm/nrf51_soc.c
+++ b/hw/arm/nrf51_soc.c
@@ -94,7 +94,7 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp)
         return;
     }
     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart), 0);
-    memory_region_add_subregion_overlap(&s->container, NRF51_UART_BASE, mr, 0);
+    memory_region_add_subregion(&s->container, NRF51_UART_BASE, mr);
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart), 0,
                        qdev_get_gpio_in(DEVICE(&s->cpu),
                        BASE_TO_IRQ(NRF51_UART_BASE)));
@@ -107,7 +107,7 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp)
     }
 
     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0);
-    memory_region_add_subregion_overlap(&s->container, NRF51_RNG_BASE, mr, 0);
+    memory_region_add_subregion(&s->container, NRF51_RNG_BASE, mr);
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rng), 0,
                        qdev_get_gpio_in(DEVICE(&s->cpu),
                        BASE_TO_IRQ(NRF51_RNG_BASE)));
@@ -127,13 +127,13 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp)
     }
 
     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 0);
-    memory_region_add_subregion_overlap(&s->container, NRF51_NVMC_BASE, mr, 0);
+    memory_region_add_subregion(&s->container, NRF51_NVMC_BASE, mr);
     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 1);
-    memory_region_add_subregion_overlap(&s->container, NRF51_FICR_BASE, mr, 0);
+    memory_region_add_subregion(&s->container, NRF51_FICR_BASE, mr);
     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 2);
-    memory_region_add_subregion_overlap(&s->container, NRF51_UICR_BASE, mr, 0);
+    memory_region_add_subregion(&s->container, NRF51_UICR_BASE, mr);
     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 3);
-    memory_region_add_subregion_overlap(&s->container, NRF51_FLASH_BASE, mr, 0);
+    memory_region_add_subregion(&s->container, NRF51_FLASH_BASE, mr);
 
     /* GPIO */
     object_property_set_bool(OBJECT(&s->gpio), true, "realized", &err);
@@ -143,7 +143,7 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error **errp)
     }
 
     mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->gpio), 0);
-    memory_region_add_subregion_overlap(&s->container, NRF51_GPIO_BASE, mr, 0);
+    memory_region_add_subregion(&s->container, NRF51_GPIO_BASE, mr);
 
     /* Pass all GPIOs to the SOC layer so they are available to the board */
     qdev_pass_gpios(DEVICE(&s->gpio), dev_soc, NULL);
-- 
2.21.0