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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-08-02 10:06:12 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2022-08-02 10:06:12 -0700
commit8bb5e7f4dcd9b9ef22a3ea25c9066a8a968f12dd (patch)
tree0f1383880607a227142f9388a066959926233ff1 /drivers/fpga/dfl-pci.c
parent2a96271fb66c499e4a89d76a89d3d01170c10bef (diff)
parent7c744d00990ea999d27f306f6db5ccb61b1304b2 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.20 (or 6.0) merge window.
Diffstat (limited to 'drivers/fpga/dfl-pci.c')
-rw-r--r--drivers/fpga/dfl-pci.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/fpga/dfl-pci.c b/drivers/fpga/dfl-pci.c
index 4d68719e608f..fd1fa55c9113 100644
--- a/drivers/fpga/dfl-pci.c
+++ b/drivers/fpga/dfl-pci.c
@@ -15,6 +15,7 @@
*/
#include <linux/pci.h>
+#include <linux/dma-mapping.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -258,6 +259,15 @@ static int find_dfls_by_default(struct pci_dev *pcidev,
*/
bar = FIELD_GET(FME_PORT_OFST_BAR_ID, v);
offset = FIELD_GET(FME_PORT_OFST_DFH_OFST, v);
+ if (bar == FME_PORT_OFST_BAR_SKIP) {
+ continue;
+ } else if (bar >= PCI_STD_NUM_BARS) {
+ dev_err(&pcidev->dev, "bad BAR %d for port %d\n",
+ bar, i);
+ ret = -EINVAL;
+ break;
+ }
+
start = pci_resource_start(pcidev, bar) + offset;
len = pci_resource_len(pcidev, bar) - offset;
@@ -354,16 +364,10 @@ int cci_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *pcidevid)
pci_set_master(pcidev);
- if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
- ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
- if (ret)
- goto disable_error_report_exit;
- } else if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) {
- ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
- if (ret)
- goto disable_error_report_exit;
- } else {
- ret = -EIO;
+ ret = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(64));
+ if (ret)
+ ret = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(32));
+ if (ret) {
dev_err(&pcidev->dev, "No suitable DMA support available.\n");
goto disable_error_report_exit;
}