.fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, g94_gpio_new },
        .i2c      = { 0x00000001, g94_i2c_new },
-       .ibus = gf100_ibus_new,
+       .ibus     = { 0x00000001, gf100_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gf100_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, g94_gpio_new },
        .i2c      = { 0x00000001, g94_i2c_new },
-       .ibus = gf100_ibus_new,
+       .ibus     = { 0x00000001, gf100_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gf100_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, g94_gpio_new },
        .i2c      = { 0x00000001, g94_i2c_new },
-       .ibus = gf100_ibus_new,
+       .ibus     = { 0x00000001, gf100_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gf100_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, g94_gpio_new },
        .i2c      = { 0x00000001, g94_i2c_new },
-       .ibus = gf100_ibus_new,
+       .ibus     = { 0x00000001, gf100_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gf100_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, g94_gpio_new },
        .i2c      = { 0x00000001, g94_i2c_new },
-       .ibus = gf100_ibus_new,
+       .ibus     = { 0x00000001, gf100_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gf100_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, g94_gpio_new },
        .i2c      = { 0x00000001, g94_i2c_new },
-       .ibus = gf100_ibus_new,
+       .ibus     = { 0x00000001, gf100_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gf100_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, g94_gpio_new },
        .i2c      = { 0x00000001, g94_i2c_new },
-       .ibus = gf100_ibus_new,
+       .ibus     = { 0x00000001, gf100_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gf100_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, gf119_gpio_new },
        .i2c      = { 0x00000001, gf117_i2c_new },
-       .ibus = gf117_ibus_new,
+       .ibus     = { 0x00000001, gf117_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gf100_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, gf119_gpio_new },
        .i2c      = { 0x00000001, gf119_i2c_new },
-       .ibus = gf117_ibus_new,
+       .ibus     = { 0x00000001, gf117_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gf100_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gk104_i2c_new },
-       .ibus = gk104_ibus_new,
+       .ibus     = { 0x00000001, gk104_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gk104_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gk104_i2c_new },
-       .ibus = gk104_ibus_new,
+       .ibus     = { 0x00000001, gk104_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gk104_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gk104_i2c_new },
-       .ibus = gk104_ibus_new,
+       .ibus     = { 0x00000001, gk104_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gk104_ltc_new,
        .clk      = { 0x00000001, gk20a_clk_new },
        .fb       = { 0x00000001, gk20a_fb_new },
        .fuse     = { 0x00000001, gf100_fuse_new },
-       .ibus = gk20a_ibus_new,
+       .ibus     = { 0x00000001, gk20a_ibus_new },
        .imem = gk20a_instmem_new,
        .ltc = gk104_ltc_new,
        .mc = gk20a_mc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gk110_i2c_new },
-       .ibus = gk104_ibus_new,
+       .ibus     = { 0x00000001, gk104_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gk104_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gk110_i2c_new },
-       .ibus = gk104_ibus_new,
+       .ibus     = { 0x00000001, gk104_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gk104_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gk110_i2c_new },
-       .ibus = gk104_ibus_new,
+       .ibus     = { 0x00000001, gk104_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gk104_ltc_new,
        .fuse     = { 0x00000001, gf100_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gk110_i2c_new },
-       .ibus = gk104_ibus_new,
+       .ibus     = { 0x00000001, gk104_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gk104_ltc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gk110_i2c_new },
-       .ibus = gk104_ibus_new,
+       .ibus     = { 0x00000001, gk104_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gm107_ltc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gk110_i2c_new },
-       .ibus = gk104_ibus_new,
+       .ibus     = { 0x00000001, gk104_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gm107_ltc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gm200_ltc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gm200_ltc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .iccsense = gf100_iccsense_new,
        .imem = nv50_instmem_new,
        .ltc = gm200_ltc_new,
        .clk      = { 0x00000001, gm20b_clk_new },
        .fb       = { 0x00000001, gm20b_fb_new },
        .fuse     = { 0x00000001, gm107_fuse_new },
-       .ibus = gk20a_ibus_new,
+       .ibus     = { 0x00000001, gk20a_ibus_new },
        .imem = gk20a_instmem_new,
        .ltc = gm200_ltc_new,
        .mc = gk20a_mc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp100_ltc_new,
        .mc = gp100_mc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = gp100_mc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = gp100_mc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = gp100_mc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = gp100_mc_new,
        .fuse     = { 0x00000001, gm107_fuse_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = gp100_mc_new,
        .fault    = { 0x00000001, gp10b_fault_new },
        .fb       = { 0x00000001, gp10b_fb_new },
        .fuse     = { 0x00000001, gm107_fuse_new },
-       .ibus = gp10b_ibus_new,
+       .ibus     = { 0x00000001, gp10b_ibus_new },
        .imem = gk20a_instmem_new,
        .ltc = gp10b_ltc_new,
        .mc = gp10b_mc_new,
        .gpio     = { 0x00000001, gk104_gpio_new },
        .gsp      = { 0x00000001, gv100_gsp_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = gp100_mc_new,
        .gpio     = { 0x00000001, gk104_gpio_new },
        .gsp      = { 0x00000001, gv100_gsp_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = tu102_mc_new,
        .gpio     = { 0x00000001, gk104_gpio_new },
        .gsp      = { 0x00000001, gv100_gsp_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = tu102_mc_new,
        .gpio     = { 0x00000001, gk104_gpio_new },
        .gsp      = { 0x00000001, gv100_gsp_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = tu102_mc_new,
        .gpio     = { 0x00000001, gk104_gpio_new },
        .gsp      = { 0x00000001, gv100_gsp_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = tu102_mc_new,
        .gpio     = { 0x00000001, gk104_gpio_new },
        .gsp      = { 0x00000001, gv100_gsp_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .ltc = gp102_ltc_new,
        .mc = tu102_mc_new,
        .fb       = { 0x00000001, ga100_fb_new },
        .gpio     = { 0x00000001, gk104_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .mc = ga100_mc_new,
        .mmu = tu102_mmu_new,
        .fb       = { 0x00000001, ga102_fb_new },
        .gpio     = { 0x00000001, ga102_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .mc = ga100_mc_new,
        .mmu = tu102_mmu_new,
        .fb       = { 0x00000001, ga102_fb_new },
        .gpio     = { 0x00000001, ga102_gpio_new },
        .i2c      = { 0x00000001, gm200_i2c_new },
-       .ibus = gm200_ibus_new,
+       .ibus     = { 0x00000001, gm200_ibus_new },
        .imem = nv50_instmem_new,
        .mc = ga100_mc_new,
        .mmu = tu102_mmu_new,
 #include <core/layout.h>
 #undef NVKM_LAYOUT_INST
 #undef NVKM_LAYOUT_ONCE
-               _(NVKM_SUBDEV_IBUS    ,     ibus);
                _(NVKM_SUBDEV_ICCSENSE, iccsense);
                _(NVKM_SUBDEV_INSTMEM ,     imem);
                _(NVKM_SUBDEV_LTC     ,      ltc);