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authorChristoph Hellwig <hch@lst.de>2018-12-16 18:19:51 +0100
committerMichael Ellerman <mpe@ellerman.id.au>2018-12-20 22:21:20 +1100
commitf3e5a8579c70d591db8e772cab93af0ec7e39849 (patch)
treeca4b2308eb802e1baf142c7bc7df4871ee992955 /drivers/misc/cxl
parent44a0337b322e0ee2b817e334436366d394654d07 (diff)
downloadlinux-f3e5a8579c70d591db8e772cab93af0ec7e39849.tar.bz2
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>
Diffstat (limited to 'drivers/misc/cxl')
-rw-r--r--drivers/misc/cxl/vphb.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c
index 7908633d9204..49da2f744bbf 100644
--- a/drivers/misc/cxl/vphb.c
+++ b/drivers/misc/cxl/vphb.c
@@ -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)