| Message ID | 20201110061019.519589-3-vinicius.gomes@intel.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | igc: Add support for PCIe PTM | expand |
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 9112dff075cf..cb4ffa90230c 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -10,6 +10,7 @@ #include <linux/ip.h> #include <linux/pm_runtime.h> #include <net/pkt_sched.h> +#include <linux/pci.h> #include <net/ipv6.h> @@ -5017,6 +5018,10 @@ static int igc_probe(struct pci_dev *pdev, pci_enable_pcie_error_reporting(pdev); + err = pci_enable_ptm(pdev, NULL); + if (err < 0) + dev_err(&pdev->dev, "PTM not supported\n"); + pci_set_master(pdev); err = -ENOMEM;
In practice, enabling PTM also sets the enabled_ptm flag in the PCI device, the flag will be used for detecting if PTM is enabled before adding support for the SYSOFFSET_PRECISE ioctl() (which is added by implementing the getcrosststamp() PTP function). Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> --- drivers/net/ethernet/intel/igc/igc_main.c | 5 +++++ 1 file changed, 5 insertions(+)