Merge branch 'dmaengine' into async-tx-next

[net-next-2.6.git] / drivers / dma / ioat / pci.c

diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c
index b77d3a2864adbad8cbd31865883003c12f5cd447..c788fa2664708e99caaabe932dead8e3b61f40de 100644 (file)
--- a/drivers/dma/ioat/pci.c
+++ b/drivers/dma/ioat/pci.c
@@ -83,6 +83,8 @@ static int ioat_dca_enabled = 1;
 module_param(ioat_dca_enabled, int, 0644);
 MODULE_PARM_DESC(ioat_dca_enabled, "control support of dca service (default: 1)");
 
+struct kmem_cache *ioat2_cache;
+
 #define DRV_NAME "ioatdma"
 
 static struct pci_driver ioat_pci_driver = {
@@ -182,15 +184,27 @@ static void __devexit ioat_remove(struct pci_dev *pdev)
 
 static int __init ioat_init_module(void)
 {
+       int err;
+
        pr_info("%s: Intel(R) QuickData Technology Driver %s\n",
                DRV_NAME, IOAT_DMA_VERSION);
 
-       return pci_register_driver(&ioat_pci_driver);
+       ioat2_cache = kmem_cache_create("ioat2", sizeof(struct ioat_ring_ent),
+                                       0, SLAB_HWCACHE_ALIGN, NULL);
+       if (!ioat2_cache)
+               return -ENOMEM;
+
+       err = pci_register_driver(&ioat_pci_driver);
+       if (err)
+               kmem_cache_destroy(ioat2_cache);
+
+       return err;
 }
 module_init(ioat_init_module);
 
 static void __exit ioat_exit_module(void)
 {
        pci_unregister_driver(&ioat_pci_driver);
+       kmem_cache_destroy(ioat2_cache);
 }
 module_exit(ioat_exit_module);