diff options
| author | Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com> | 2022-09-06 13:56:20 +0300 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-09-13 10:45:11 +0300 |
| commit | 41e3b0722f6c7c756702f50d194b0d6caa0fba26 (patch) | |
| tree | a16ada7e59dcd7eae3dc20d3a74a43cbfb9a3232 /drivers | |
| parent | 169ccf0e40825d9e465863e4707d8e8546d3c3cb (diff) | |
| download | linux-41e3b0722f6c7c756702f50d194b0d6caa0fba26.tar.xz | |
sfc: introduce shutdown entry point in efx pci driver
Make the device inactive when the system shutdown callback has been
invoked. This is achieved by freezing the driver and disabling the
PCI bus mastering.
Co-developed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20220906105620.26179-1-pieter.jansen-van-vuuren@amd.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/sfc/siena/efx.c | 12 |
2 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index abed6188a8e6..054d5ce6029e 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1175,6 +1175,17 @@ static int efx_pm_freeze(struct device *dev) return 0; } +static void efx_pci_shutdown(struct pci_dev *pci_dev) +{ + struct efx_nic *efx = pci_get_drvdata(pci_dev); + + if (!efx) + return; + + efx_pm_freeze(&pci_dev->dev); + pci_disable_device(pci_dev); +} + static int efx_pm_thaw(struct device *dev) { int rc; @@ -1279,6 +1290,7 @@ static struct pci_driver efx_pci_driver = { .probe = efx_pci_probe, .remove = efx_pci_remove, .driver.pm = &efx_pm_ops, + .shutdown = efx_pci_shutdown, .err_handler = &efx_err_handlers, #ifdef CONFIG_SFC_SRIOV .sriov_configure = efx_pci_sriov_configure, diff --git a/drivers/net/ethernet/sfc/siena/efx.c b/drivers/net/ethernet/sfc/siena/efx.c index 10734e828e51..60e5b7c8ccf9 100644 --- a/drivers/net/ethernet/sfc/siena/efx.c +++ b/drivers/net/ethernet/sfc/siena/efx.c @@ -1148,6 +1148,17 @@ static int efx_pm_freeze(struct device *dev) return 0; } +static void efx_pci_shutdown(struct pci_dev *pci_dev) +{ + struct efx_nic *efx = pci_get_drvdata(pci_dev); + + if (!efx) + return; + + efx_pm_freeze(&pci_dev->dev); + pci_disable_device(pci_dev); +} + static int efx_pm_thaw(struct device *dev) { int rc; @@ -1252,6 +1263,7 @@ static struct pci_driver efx_pci_driver = { .probe = efx_pci_probe, .remove = efx_pci_remove, .driver.pm = &efx_pm_ops, + .shutdown = efx_pci_shutdown, .err_handler = &efx_siena_err_handlers, #ifdef CONFIG_SFC_SIENA_SRIOV .sriov_configure = efx_pci_sriov_configure, |