ioat3: xor self test

This adds a hardware specific self test to be called from ioat_probe.
In the ioat3 case we will have tests for all the different raid
operations, while ioat1 and ioat2 will continue to just test memcpy.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index cb08f8108496..32a757be75c1 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -799,7 +799,7 @@ static void __devinit ioat_dma_test_callback(void *dma_async_param)
  * ioat_dma_self_test - Perform a IOAT transaction to verify the HW works.
  * @device: device to be tested
  */
-static int __devinit ioat_dma_self_test(struct ioatdma_device *device)
+int __devinit ioat_dma_self_test(struct ioatdma_device *device)
 {
         int i;
         u8 *src;
@@ -1039,7 +1039,7 @@ int __devinit ioat_probe(struct ioatdma_device *device)
         if (err)
                 goto err_setup_interrupts;
 
-        err = ioat_dma_self_test(device);
+        err = device->self_test(device);
         if (err)
                 goto err_self_test;
 
@@ -1197,6 +1197,7 @@ int __devinit ioat1_dma_probe(struct ioatdma_device *device, int dca)
 
         device->intr_quirk = ioat1_intr_quirk;
         device->enumerate_channels = ioat1_enumerate_channels;
+        device->self_test = ioat_dma_self_test;
         dma = &device->common;
         dma->device_prep_dma_memcpy = ioat1_dma_prep_memcpy;
         dma->device_issue_pending = ioat1_dma_memcpy_issue_pending;