RDMA/hfi1: change PCI bar addr assignments to Linux API functions
authorSteven L. Roberts <robers97@gmail.com>
Wed, 10 May 2017 19:58:13 +0000 (14:58 -0500)
committerDoug Ledford <dledford@redhat.com>
Thu, 1 Jun 2017 21:03:40 +0000 (17:03 -0400)
The Omni-Path adapter driver fails to load on the ppc64le platform
due to invalid PCI setup.

This patch makes the PCI configuration more robust and will
fix 64 bit addressing for ppc64le.

Signed-off-by: Steven L Roberts <robers97@gmail.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/hw/hfi1/pcie.c

index 93faf86d54b620fb2cc621844932d811c17868dd..6a9f6f9819e1a326b0ed5f15f831d10cec2620a6 100644 (file)
@@ -207,8 +207,8 @@ int hfi1_pcie_ddinit(struct hfi1_devdata *dd, struct pci_dev *pdev)
        /*
         * Save BARs and command to rewrite after device reset.
         */
-       dd->pcibar0 = addr;
-       dd->pcibar1 = addr >> 32;
+       pci_read_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0, &dd->pcibar0);
+       pci_read_config_dword(dd->pcidev, PCI_BASE_ADDRESS_1, &dd->pcibar1);
        pci_read_config_dword(dd->pcidev, PCI_ROM_ADDRESS, &dd->pci_rom);
        pci_read_config_word(dd->pcidev, PCI_COMMAND, &dd->pci_command);
        pcie_capability_read_word(dd->pcidev, PCI_EXP_DEVCTL, &dd->pcie_devctl);