Subject: spu_base: remove cleanup_spu_base From: Christoph Hellwig spu_base.c is always built into the kernel image, so there is no need for a cleanup function. And some of the things it does are in the way for my following patches, so I'd rather get rid of it ASAP. Signed-off-by: Christoph Hellwig Signed-off-by: Arnd Bergmann Index: linux-cg/arch/powerpc/platforms/cell/spu_base.c =================================================================== --- linux-cg.orig/arch/powerpc/platforms/cell/spu_base.c +++ linux-cg/arch/powerpc/platforms/cell/spu_base.c @@ -555,12 +555,6 @@ static int spu_create_sysdev(struct spu return 0; } -static void spu_destroy_sysdev(struct spu *spu) -{ - sysfs_remove_device_from_node(&spu->sysdev, spu->node); - sysdev_unregister(&spu->sysdev); -} - static int __init create_spu(void *data) { struct spu *spu; @@ -616,34 +610,6 @@ out: return ret; } -static void destroy_spu(struct spu *spu) -{ - list_del_init(&spu->list); - list_del_init(&spu->be_list); - list_del_init(&spu->full_list); - - spu_destroy_sysdev(spu); - spu_free_irqs(spu); - spu_destroy_spu(spu); - kfree(spu); -} - -static void cleanup_spu_base(void) -{ - struct spu *spu, *tmp; - int node; - - mutex_lock(&spu_mutex); - for (node = 0; node < MAX_NUMNODES; node++) { - list_for_each_entry_safe(spu, tmp, &be_spu_info[node].free_spus, - list) - destroy_spu(spu); - } - mutex_unlock(&spu_mutex); - sysdev_class_unregister(&spu_sysdev_class); -} -module_exit(cleanup_spu_base); - struct be_spu_info be_spu_info[MAX_NUMNODES]; EXPORT_SYMBOL_GPL(be_spu_info); @@ -781,16 +747,15 @@ static void init_aff_fw_vicinity(void) static int __init init_spu_base(void) { - int i, ret; - long root; + int i, ret = 0; if (!spu_management_ops) - return 0; + goto out; /* create sysdev class for spus */ ret = sysdev_class_register(&spu_sysdev_class); if (ret) - return ret; + goto out; for (i = 0; i < MAX_NUMNODES; i++) { INIT_LIST_HEAD(&be_spu_info[i].spus); @@ -801,8 +766,7 @@ static int __init init_spu_base(void) if (ret) { printk(KERN_WARNING "%s: Error initializing spus\n", __FUNCTION__); - cleanup_spu_base(); - return ret; + goto out_unregister_sysdev_class; } xmon_register_spus(&spu_full_list); @@ -810,11 +774,16 @@ static int __init init_spu_base(void) if (of_has_vicinity()) { init_aff_fw_vicinity(); } else { - root = of_get_flat_dt_root(); + long root = of_get_flat_dt_root(); if (of_flat_dt_is_compatible(root, "IBM,CPBW-1.0")) init_aff_QS20_harcoded(); } + return 0; + + out_unregister_sysdev_class: + sysdev_class_unregister(&spu_sysdev_class); + out: return ret; } module_init(init_spu_base);