summary refs log tree commit diff stats
path: root/hw/pci/shpc.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/pci/shpc.c')
-rw-r--r--hw/pci/shpc.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/hw/pci/shpc.c b/hw/pci/shpc.c
index 69fc14b218..a8462d48bb 100644
--- a/hw/pci/shpc.c
+++ b/hw/pci/shpc.c
@@ -1,6 +1,7 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "qemu-common.h"
+#include "qemu/host-utils.h"
 #include "qemu/range.h"
 #include "qemu/error-report.h"
 #include "hw/pci/shpc.h"
@@ -122,16 +123,6 @@
 #define SHPC_PCI_TO_IDX(pci_slot) ((pci_slot) - 1)
 #define SHPC_IDX_TO_PHYSICAL(slot) ((slot) + 1)
 
-static int roundup_pow_of_two(int x)
-{
-    x |= (x >> 1);
-    x |= (x >> 2);
-    x |= (x >> 4);
-    x |= (x >> 8);
-    x |= (x >> 16);
-    return x + 1;
-}
-
 static uint16_t shpc_get_status(SHPCDevice *shpc, int slot, uint16_t msk)
 {
     uint8_t *status = shpc->config + SHPC_SLOT_STATUS(slot);
@@ -656,7 +647,7 @@ int shpc_init(PCIDevice *d, PCIBus *sec_bus, MemoryRegion *bar,
 
 int shpc_bar_size(PCIDevice *d)
 {
-    return roundup_pow_of_two(SHPC_SLOT_REG(SHPC_MAX_SLOTS));
+    return pow2roundup32(SHPC_SLOT_REG(SHPC_MAX_SLOTS));
 }
 
 void shpc_cleanup(PCIDevice *d, MemoryRegion *bar)