powerpc/powernv: remove pnv_npu_dma_set_mask

These devices are not PCIe devices and do not have associated dma map
ops, so this is just dead code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index fce7c6fe2970dd3fa4186bdaddf7c897efe367ce..8ecc50aeb29d06174c2c23da9e2994636d4132b7 100644 (file)
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -3646,14 +3646,6 @@ static const struct pci_controller_ops pnv_pci_ioda_controller_ops = {
        .shutdown               = pnv_pci_ioda_shutdown,
 };
 
-static int pnv_npu_dma_set_mask(struct pci_dev *npdev, u64 dma_mask)
-{
-       dev_err_once(&npdev->dev,
-                       "%s operation unsupported for NVLink devices\n",
-                       __func__);
-       return -EPERM;
-}
-
 static const struct pci_controller_ops pnv_npu_ioda_controller_ops = {
        .dma_dev_setup          = pnv_pci_dma_dev_setup,
        .setup_msi_irqs         = pnv_setup_msi_irqs,
@@ -3661,7 +3653,6 @@ static const struct pci_controller_ops pnv_npu_ioda_controller_ops = {
        .enable_device_hook     = pnv_pci_enable_device_hook,
        .window_alignment       = pnv_pci_window_alignment,
        .reset_secondary_bus    = pnv_pci_reset_secondary_bus,
-       .dma_set_mask           = pnv_npu_dma_set_mask,
        .shutdown               = pnv_pci_ioda_shutdown,
        .disable_device         = pnv_npu_disable_device,
 };