From f3e5a8579c70d591db8e772cab93af0ec7e39849 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Sun, 16 Dec 2018 18:19:51 +0100
Subject: [PATCH] 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>
---
drivers/misc/cxl/vphb.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c
index 7908633d9204b..49da2f744bbf1 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)
--
2.30.2