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Revert "cxl: Add support for using the kernel API with a real PHB"

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Remove abandonned capi support for the Mellanox CX4.

This reverts commit 317f5ef1b3.

Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Alastair D'Silva 2018-06-28 12:05:05 +02:00 committed by Michael Ellerman
parent 29fea8aa21
commit c8d43cf08a
2 changed files with 2 additions and 17 deletions
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3
drivers/misc/cxl/pci.c
View File

@ -1886,9 +1886,6 @@ static int cxl_probe(struct pci_dev *dev, const struct pci_device_id *id)
dev_err(&dev->dev, "AFU %i failed to start: %i\n", slice, rc);
}
if (pnv_pci_on_cxl_phb(dev) && adapter->slices >= 1)
pnv_cxl_phb_set_peer_afu(dev, adapter->afu[0]);
return 0;
}

16
drivers/misc/cxl/vphb.c
View File

@ -9,7 +9,6 @@
#include <linux/pci.h>
#include <misc/cxl.h>
#include <asm/pnv-pci.h>
#include "cxl.h"
static int cxl_dma_set_mask(struct pci_dev *pdev, u64 dma_mask)
@ -284,18 +283,13 @@ void cxl_pci_vphb_remove(struct cxl_afu *afu)
*/
}
static bool _cxl_pci_is_vphb_device(struct pci_controller *phb)
{
return (phb->ops == &cxl_pcie_pci_ops);
}
bool cxl_pci_is_vphb_device(struct pci_dev *dev)
{
struct pci_controller *phb;
phb = pci_bus_to_host(dev->bus);
return _cxl_pci_is_vphb_device(phb);
return (phb->ops == &cxl_pcie_pci_ops);
}
struct cxl_afu *cxl_pci_to_afu(struct pci_dev *dev)
@ -304,13 +298,7 @@ struct cxl_afu *cxl_pci_to_afu(struct pci_dev *dev)
phb = pci_bus_to_host(dev->bus);
if (_cxl_pci_is_vphb_device(phb))
return (struct cxl_afu *)phb->private_data;
if (pnv_pci_on_cxl_phb(dev))
return pnv_cxl_phb_to_afu(phb);
return ERR_PTR(-ENODEV);
return (struct cxl_afu *)phb->private_data;
}
EXPORT_SYMBOL_GPL(cxl_pci_to_afu);