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cxl: drop the dma_set_mask callback from vphb 

The CXL code never even looks at the dma mask, so there is no good
reason for this sanity check.  Remove it because it gets in the way
of the dma ops refactoring.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christoph Hellwig 2018-12-16 18:19:51 +01:00 committed by Michael Ellerman
parent 44a0337b32
commit f3e5a8579c
1 changed files with 0 additions and 12 deletions
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12
drivers/misc/cxl/vphb.c
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@ -11,17 +11,6 @@
#include <misc/cxl.h>
#include "cxl.h"
static int cxl_dma_set_mask(struct pci_dev *pdev, u64 dma_mask)
{
if (dma_mask < DMA_BIT_MASK(64)) {
pr_info("%s only 64bit DMA supported on CXL", __func__);
return -EIO;
}
*(pdev->dev.dma_mask) = dma_mask;
return 0;
}
static int cxl_pci_probe_mode(struct pci_bus *bus)
{
return PCI_PROBE_NORMAL;
@ -220,7 +209,6 @@ static struct pci_controller_ops cxl_pci_controller_ops =
.reset_secondary_bus = cxl_pci_reset_secondary_bus,
.setup_msi_irqs = cxl_setup_msi_irqs,
.teardown_msi_irqs = cxl_teardown_msi_irqs,
.dma_set_mask = cxl_dma_set_mask,
};
int cxl_pci_vphb_add(struct cxl_afu *afu)