diff options
| author | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2023-10-10 21:29:13 +0530 |
|---|---|---|
| committer | Krzysztof Wilczyński <kwilczynski@kernel.org> | 2023-10-14 20:02:17 +0000 |
| commit | a78794562fcb2659c976388b1285eddda97e9954 (patch) | |
| tree | ae58c86cb5233feb2fcdf5fbde652d0fb6dcc7ab | |
| parent | 0bb80ecc33a8fb5a682236443c1e740d5c917d1d (diff) | |
PCI: dwc: Add host_post_init() callback
This callback can be used by the platform drivers to do configuration
once all the devices are scanned. Like changing LNKCTL of all downstream
devices to enable ASPM etc...
Link: https://lore.kernel.org/linux-pci/20231010155914.9516-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-host.c | 3 | ||||
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index a7170fd0e847..7991f0e179b2 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -502,6 +502,9 @@ int dw_pcie_host_init(struct dw_pcie_rp *pp) if (ret) goto err_stop_link; + if (pp->ops->host_post_init) + pp->ops->host_post_init(pp); + return 0; err_stop_link: diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index ef0b2efa9f93..efb4d4754fc8 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -301,6 +301,7 @@ enum dw_pcie_ltssm { struct dw_pcie_host_ops { int (*host_init)(struct dw_pcie_rp *pp); void (*host_deinit)(struct dw_pcie_rp *pp); + void (*host_post_init)(struct dw_pcie_rp *pp); int (*msi_host_init)(struct dw_pcie_rp *pp); void (*pme_turn_off)(struct dw_pcie_rp *pp); }; |