diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-04-25 21:36:19 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-04-25 21:36:19 +0200 |
| commit | 21c433a74b6b94538d01ea18d66195018136efd6 (patch) | |
| tree | a0060409b6d05ab0331940dde45607c32011dce6 | |
| parent | PCI: Call pcie_flr() from reset_chelsio_generic_dev() (diff) | |
| download | linux-21c433a74b6b94538d01ea18d66195018136efd6.tar.xz linux-21c433a74b6b94538d01ea18d66195018136efd6.zip | |
IB/hfi1: Use pcie_flr() instead of duplicating it
Tested-by: Jakub Byczkowski <jakub.byczkowski@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/hfi.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/pcie.c | 30 |
3 files changed, 2 insertions, 33 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 121a4c920f1b..d037f72e4d96 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -13610,14 +13610,14 @@ static void init_chip(struct hfi1_devdata *dd) dd_dev_info(dd, "Resetting CSRs with FLR\n"); /* do the FLR, the DC reset will remain */ - hfi1_pcie_flr(dd); + pcie_flr(dd->pcidev); /* restore command and BARs */ restore_pci_variables(dd); if (is_ax(dd)) { dd_dev_info(dd, "Resetting CSRs with FLR\n"); - hfi1_pcie_flr(dd); + pcie_flr(dd->pcidev); restore_pci_variables(dd); } } else { diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index 0808e3c3ba39..40d7559fa723 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -1764,7 +1764,6 @@ int hfi1_pcie_init(struct pci_dev *, const struct pci_device_id *); void hfi1_pcie_cleanup(struct pci_dev *); int hfi1_pcie_ddinit(struct hfi1_devdata *, struct pci_dev *); void hfi1_pcie_ddcleanup(struct hfi1_devdata *); -void hfi1_pcie_flr(struct hfi1_devdata *); int pcie_speeds(struct hfi1_devdata *); void request_msix(struct hfi1_devdata *, u32 *, struct hfi1_msix_entry *); void hfi1_enable_intx(struct pci_dev *); diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c index 0829fce06172..c81556e84831 100644 --- a/drivers/infiniband/hw/hfi1/pcie.c +++ b/drivers/infiniband/hw/hfi1/pcie.c @@ -240,36 +240,6 @@ void hfi1_pcie_ddcleanup(struct hfi1_devdata *dd) iounmap(dd->piobase); } -/* - * Do a Function Level Reset (FLR) on the device. - * Based on static function drivers/pci/pci.c:pcie_flr(). - */ -void hfi1_pcie_flr(struct hfi1_devdata *dd) -{ - int i; - u16 status; - - /* no need to check for the capability - we know the device has it */ - - /* wait for Transaction Pending bit to clear, at most a few ms */ - for (i = 0; i < 4; i++) { - if (i) - msleep((1 << (i - 1)) * 100); - - pcie_capability_read_word(dd->pcidev, PCI_EXP_DEVSTA, &status); - if (!(status & PCI_EXP_DEVSTA_TRPND)) - goto clear; - } - - dd_dev_err(dd, "Transaction Pending bit is not clearing, proceeding with reset anyway\n"); - -clear: - pcie_capability_set_word(dd->pcidev, PCI_EXP_DEVCTL, - PCI_EXP_DEVCTL_BCR_FLR); - /* PCIe spec requires the function to be back within 100ms */ - msleep(100); -} - static void msix_setup(struct hfi1_devdata *dd, int pos, u32 *msixcnt, struct hfi1_msix_entry *hfi1_msix_entry) { |