}
 
 static const struct iomap_ops ioport_ops = {
-       ioport_read8,
-       ioport_read16,
-       ioport_read16,
-       ioport_read32,
-       ioport_read32,
-       ioport_write8,
-       ioport_write16,
-       ioport_write16,
-       ioport_write32,
-       ioport_write32,
-       ioport_read8r,
-       ioport_read16r,
-       ioport_read32r,
-       ioport_write8r,
-       ioport_write16r,
-       ioport_write32r,
+       .read8 = ioport_read8,
+       .read16 = ioport_read16,
+       .read16be = ioport_read16,
+       .read32 = ioport_read32,
+       .read32be = ioport_read32,
+       .write8 = ioport_write8,
+       .write16 = ioport_write16,
+       .write16be = ioport_write16,
+       .write32 = ioport_write32,
+       .write32be = ioport_write32,
+       .read8r = ioport_read8r,
+       .read16r = ioport_read16r,
+       .read32r = ioport_read32r,
+       .write8r = ioport_write8r,
+       .write16r = ioport_write16r,
+       .write32r = ioport_write32r,
 };
 
 /* Legacy I/O memory ops */
 }
 
 static const struct iomap_ops iomem_ops = {
-       iomem_read8,
-       iomem_read16,
-       iomem_read16be,
-       iomem_read32,
-       iomem_read32be,
-       iomem_write8,
-       iomem_write16,
-       iomem_write16be,
-       iomem_write32,
-       iomem_write32be,
-       iomem_read8r,
-       iomem_read16r,
-       iomem_read32r,
-       iomem_write8r,
-       iomem_write16r,
-       iomem_write32r,
+       .read8 = iomem_read8,
+       .read16 = iomem_read16,
+       .read16be = iomem_read16be,
+       .read32 = iomem_read32,
+       .read32be = iomem_read32be,
+       .write8 = iomem_write8,
+       .write16 = iomem_write16,
+       .write16be = iomem_write16be,
+       .write32 = iomem_write32,
+       .write32be = iomem_write32be,
+       .read8r = iomem_read8r,
+       .read16r = iomem_read16r,
+       .read32r = iomem_read32r,
+       .write8r = iomem_write8r,
+       .write16r = iomem_write16r,
+       .write32r = iomem_write32r,
 };
 
 static const struct iomap_ops *iomap_ops[8] = {