Commit 63d86876 authored by Scott Wood's avatar Scott Wood
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Revert "powerpc/fsl_pci: simplify fsl_pci_dma_set_mask"

This reverts commit c6e5485e


due to failures such as:

e1000e 2000:01:00.0: Tx DMA map failed
Signed-off-by: default avatarScott Wood <oss@buserror.net>
parent 5f470b36
......@@ -135,7 +135,7 @@ static int fsl_pci_dma_set_mask(struct device *dev, u64 dma_mask)
* mapping that allows addressing any RAM address from across PCI.
*/
if (dev_is_pci(dev) && dma_mask >= pci64_dma_offset * 2 - 1) {
dev->bus_dma_mask = 0;
set_dma_ops(dev, &dma_nommu_ops);
set_dma_offset(dev, pci64_dma_offset);
}
......@@ -395,6 +395,10 @@ static void setup_pci_atmu(struct pci_controller *hose)
out_be32(&pci->piw[win_idx].piwar, piwar);
}
/*
* install our own dma_set_mask handler to fixup dma_ops
* and dma_offset
*/
ppc_md.dma_set_mask = fsl_pci_dma_set_mask;
pr_info("%pOF: Setup 64-bit PCI DMA window\n", hose->dn);
......
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