| Message ID | 20240606-pci-deinit-v1-1-4395534520dc@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | PCI: endpoint: Add EPC 'deinit' event and dw_pcie_ep_linkdown() API | expand |
On Thu, Jun 06, 2024 at 12:56:34PM +0530, Manivannan Sadhasivam wrote: > Currently dw_pcie_ep_init_notify() wrapper just calls pci_epc_init_notify() > directly. So this wrapper provides no benefit to the glue drivers. > > So let's remove it and call pci_epc_init_notify() directly from glue > drivers. > > Suggested-by: Bjorn Helgaas <helgaas@kernel.org> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com> [...] Regards, Siddharth.
On Thu, Jun 06, 2024 at 12:56:34PM +0530, Manivannan Sadhasivam wrote: > Currently dw_pcie_ep_init_notify() wrapper just calls pci_epc_init_notify() > directly. So this wrapper provides no benefit to the glue drivers. > > So let's remove it and call pci_epc_init_notify() directly from glue > drivers. > > Suggested-by: Bjorn Helgaas <helgaas@kernel.org> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Frank Li <Frank.Li@nxp.com> > --- > drivers/pci/controller/dwc/pci-dra7xx.c | 2 +- > drivers/pci/controller/dwc/pci-imx6.c | 2 +- > drivers/pci/controller/dwc/pci-keystone.c | 2 +- > drivers/pci/controller/dwc/pci-layerscape-ep.c | 2 +- > drivers/pci/controller/dwc/pcie-artpec6.c | 2 +- > drivers/pci/controller/dwc/pcie-designware-ep.c | 12 ------------ > drivers/pci/controller/dwc/pcie-designware-plat.c | 2 +- > drivers/pci/controller/dwc/pcie-designware.h | 5 ----- > drivers/pci/controller/dwc/pcie-keembay.c | 2 +- > drivers/pci/controller/dwc/pcie-qcom-ep.c | 2 +- > drivers/pci/controller/dwc/pcie-rcar-gen4.c | 2 +- > drivers/pci/controller/dwc/pcie-tegra194.c | 2 +- > drivers/pci/controller/dwc/pcie-uniphier-ep.c | 2 +- > 13 files changed, 11 insertions(+), 28 deletions(-) > > diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c > index d2d17d37d3e0..e491d0ff3962 100644 > --- a/drivers/pci/controller/dwc/pci-dra7xx.c > +++ b/drivers/pci/controller/dwc/pci-dra7xx.c > @@ -474,7 +474,7 @@ static int dra7xx_add_pcie_ep(struct dra7xx_pcie *dra7xx, > return ret; > } > > - dw_pcie_ep_init_notify(ep); > + pci_epc_init_notify(ep->epc); > > return 0; > } > diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c > index 917c69edee1d..a876b8e6e741 100644 > --- a/drivers/pci/controller/dwc/pci-imx6.c > +++ b/drivers/pci/controller/dwc/pci-imx6.c > @@ -1131,7 +1131,7 @@ static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie, > return ret; > } > > - dw_pcie_ep_init_notify(ep); > + pci_epc_init_notify(ep->epc); > > /* Start LTSSM. */ > imx6_pcie_ltssm_enable(dev); > diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c > index d3a7d14ee685..ca1054f5c79a 100644 > --- a/drivers/pci/controller/dwc/pci-keystone.c > +++ b/drivers/pci/controller/dwc/pci-keystone.c > @@ -1293,7 +1293,7 @@ static int ks_pcie_probe(struct platform_device *pdev) > goto err_ep_init; > } > > - dw_pcie_ep_init_notify(&pci->ep); > + pci_epc_init_notify(pci->ep.epc); > > break; > default: > diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c > index 7dde6d5fa4d8..35bb481564c7 100644 > --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c > +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c > @@ -286,7 +286,7 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev) > return ret; > } > > - dw_pcie_ep_init_notify(&pci->ep); > + pci_epc_init_notify(pci->ep.epc); > > return ls_pcie_ep_interrupt_init(pcie, pdev); > } > diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c > index a4630b92489b..dc8dd7f27b78 100644 > --- a/drivers/pci/controller/dwc/pcie-artpec6.c > +++ b/drivers/pci/controller/dwc/pcie-artpec6.c > @@ -452,7 +452,7 @@ static int artpec6_pcie_probe(struct platform_device *pdev) > return ret; > } > > - dw_pcie_ep_init_notify(&pci->ep); > + pci_epc_init_notify(pci->ep.epc); > > break; > default: > diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c > index 47391d7d3a73..2e69f81baf99 100644 > --- a/drivers/pci/controller/dwc/pcie-designware-ep.c > +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c > @@ -27,18 +27,6 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep) > } > EXPORT_SYMBOL_GPL(dw_pcie_ep_linkup); > > -/** > - * dw_pcie_ep_init_notify - Notify EPF drivers about EPC initialization complete > - * @ep: DWC EP device > - */ > -void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep) > -{ > - struct pci_epc *epc = ep->epc; > - > - pci_epc_init_notify(epc); > -} > -EXPORT_SYMBOL_GPL(dw_pcie_ep_init_notify); > - > /** > * dw_pcie_ep_get_func_from_ep - Get the struct dw_pcie_ep_func corresponding to > * the endpoint function > diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/pci/controller/dwc/pcie-designware-plat.c > index 8490c5d6ff9f..771b9d9be077 100644 > --- a/drivers/pci/controller/dwc/pcie-designware-plat.c > +++ b/drivers/pci/controller/dwc/pcie-designware-plat.c > @@ -154,7 +154,7 @@ static int dw_plat_pcie_probe(struct platform_device *pdev) > dw_pcie_ep_deinit(&pci->ep); > } > > - dw_pcie_ep_init_notify(&pci->ep); > + pci_epc_init_notify(pci->ep.epc); > > break; > default: > diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h > index f8e5431a207b..49ae845a3662 100644 > --- a/drivers/pci/controller/dwc/pcie-designware.h > +++ b/drivers/pci/controller/dwc/pcie-designware.h > @@ -670,7 +670,6 @@ static inline void __iomem *dw_pcie_own_conf_map_bus(struct pci_bus *bus, > void dw_pcie_ep_linkup(struct dw_pcie_ep *ep); > int dw_pcie_ep_init(struct dw_pcie_ep *ep); > int dw_pcie_ep_init_registers(struct dw_pcie_ep *ep); > -void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep); > void dw_pcie_ep_deinit(struct dw_pcie_ep *ep); > void dw_pcie_ep_cleanup(struct dw_pcie_ep *ep); > int dw_pcie_ep_raise_intx_irq(struct dw_pcie_ep *ep, u8 func_no); > @@ -698,10 +697,6 @@ static inline int dw_pcie_ep_init_registers(struct dw_pcie_ep *ep) > return 0; > } > > -static inline void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep) > -{ > -} > - > static inline void dw_pcie_ep_deinit(struct dw_pcie_ep *ep) > { > } > diff --git a/drivers/pci/controller/dwc/pcie-keembay.c b/drivers/pci/controller/dwc/pcie-keembay.c > index 98bbc83182b4..278205db60a2 100644 > --- a/drivers/pci/controller/dwc/pcie-keembay.c > +++ b/drivers/pci/controller/dwc/pcie-keembay.c > @@ -442,7 +442,7 @@ static int keembay_pcie_probe(struct platform_device *pdev) > return ret; > } > > - dw_pcie_ep_init_notify(&pci->ep); > + pci_epc_init_notify(pci->ep.epc); > > break; > default: > diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c > index 1ecf602c225a..4d2d7457dcb3 100644 > --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c > +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c > @@ -482,7 +482,7 @@ static int qcom_pcie_perst_deassert(struct dw_pcie *pci) > val &= ~PARF_MSTR_AXI_CLK_EN; > writel_relaxed(val, pcie_ep->parf + PARF_MHI_CLOCK_RESET_CTRL); > > - dw_pcie_ep_init_notify(&pcie_ep->pci.ep); > + pci_epc_init_notify(pcie_ep->pci.ep.epc); > > /* Enable LTSSM */ > val = readl_relaxed(pcie_ep->parf + PARF_LTSSM); > diff --git a/drivers/pci/controller/dwc/pcie-rcar-gen4.c b/drivers/pci/controller/dwc/pcie-rcar-gen4.c > index cfeccc2f9ee1..237a6a8818de 100644 > --- a/drivers/pci/controller/dwc/pcie-rcar-gen4.c > +++ b/drivers/pci/controller/dwc/pcie-rcar-gen4.c > @@ -437,7 +437,7 @@ static int rcar_gen4_add_dw_pcie_ep(struct rcar_gen4_pcie *rcar) > rcar_gen4_pcie_ep_deinit(rcar); > } > > - dw_pcie_ep_init_notify(ep); > + pci_epc_init_notify(ep->epc); > > return ret; > } > diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c > index 93f5433c5c55..432ed9d9a463 100644 > --- a/drivers/pci/controller/dwc/pcie-tegra194.c > +++ b/drivers/pci/controller/dwc/pcie-tegra194.c > @@ -1903,7 +1903,7 @@ static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie) > goto fail_init_complete; > } > > - dw_pcie_ep_init_notify(ep); > + pci_epc_init_notify(ep->epc); > > /* Program the private control to allow sending LTR upstream */ > if (pcie->of_data->has_ltr_req_fix) { > diff --git a/drivers/pci/controller/dwc/pcie-uniphier-ep.c b/drivers/pci/controller/dwc/pcie-uniphier-ep.c > index a2b844268e28..d6e73811216e 100644 > --- a/drivers/pci/controller/dwc/pcie-uniphier-ep.c > +++ b/drivers/pci/controller/dwc/pcie-uniphier-ep.c > @@ -410,7 +410,7 @@ static int uniphier_pcie_ep_probe(struct platform_device *pdev) > return ret; > } > > - dw_pcie_ep_init_notify(&priv->pci.ep); > + pci_epc_init_notify(priv->pci.ep.epc); > > return 0; > } > > -- > 2.25.1 >
On Thu, Jun 06, 2024 at 12:56:34PM +0530, Manivannan Sadhasivam wrote: > Currently dw_pcie_ep_init_notify() wrapper just calls pci_epc_init_notify() > directly. So this wrapper provides no benefit to the glue drivers. > > So let's remove it and call pci_epc_init_notify() directly from glue > drivers. > > Suggested-by: Bjorn Helgaas <helgaas@kernel.org> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> > --- Reviewed-by: Niklas Cassel <cassel@kernel.org>
diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index d2d17d37d3e0..e491d0ff3962 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -474,7 +474,7 @@ static int dra7xx_add_pcie_ep(struct dra7xx_pcie *dra7xx, return ret; } - dw_pcie_ep_init_notify(ep); + pci_epc_init_notify(ep->epc); return 0; } diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 917c69edee1d..a876b8e6e741 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -1131,7 +1131,7 @@ static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie, return ret; } - dw_pcie_ep_init_notify(ep); + pci_epc_init_notify(ep->epc); /* Start LTSSM. */ imx6_pcie_ltssm_enable(dev); diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index d3a7d14ee685..ca1054f5c79a 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -1293,7 +1293,7 @@ static int ks_pcie_probe(struct platform_device *pdev) goto err_ep_init; } - dw_pcie_ep_init_notify(&pci->ep); + pci_epc_init_notify(pci->ep.epc); break; default: diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c index 7dde6d5fa4d8..35bb481564c7 100644 --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c @@ -286,7 +286,7 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev) return ret; } - dw_pcie_ep_init_notify(&pci->ep); + pci_epc_init_notify(pci->ep.epc); return ls_pcie_ep_interrupt_init(pcie, pdev); } diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c index a4630b92489b..dc8dd7f27b78 100644 --- a/drivers/pci/controller/dwc/pcie-artpec6.c +++ b/drivers/pci/controller/dwc/pcie-artpec6.c @@ -452,7 +452,7 @@ static int artpec6_pcie_probe(struct platform_device *pdev) return ret; } - dw_pcie_ep_init_notify(&pci->ep); + pci_epc_init_notify(pci->ep.epc); break; default: diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 47391d7d3a73..2e69f81baf99 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -27,18 +27,6 @@ void dw_pcie_ep_linkup(struct dw_pcie_ep *ep) } EXPORT_SYMBOL_GPL(dw_pcie_ep_linkup); -/** - * dw_pcie_ep_init_notify - Notify EPF drivers about EPC initialization complete - * @ep: DWC EP device - */ -void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep) -{ - struct pci_epc *epc = ep->epc; - - pci_epc_init_notify(epc); -} -EXPORT_SYMBOL_GPL(dw_pcie_ep_init_notify); - /** * dw_pcie_ep_get_func_from_ep - Get the struct dw_pcie_ep_func corresponding to * the endpoint function diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/pci/controller/dwc/pcie-designware-plat.c index 8490c5d6ff9f..771b9d9be077 100644 --- a/drivers/pci/controller/dwc/pcie-designware-plat.c +++ b/drivers/pci/controller/dwc/pcie-designware-plat.c @@ -154,7 +154,7 @@ static int dw_plat_pcie_probe(struct platform_device *pdev) dw_pcie_ep_deinit(&pci->ep); } - dw_pcie_ep_init_notify(&pci->ep); + pci_epc_init_notify(pci->ep.epc); break; default: diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index f8e5431a207b..49ae845a3662 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -670,7 +670,6 @@ static inline void __iomem *dw_pcie_own_conf_map_bus(struct pci_bus *bus, void dw_pcie_ep_linkup(struct dw_pcie_ep *ep); int dw_pcie_ep_init(struct dw_pcie_ep *ep); int dw_pcie_ep_init_registers(struct dw_pcie_ep *ep); -void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep); void dw_pcie_ep_deinit(struct dw_pcie_ep *ep); void dw_pcie_ep_cleanup(struct dw_pcie_ep *ep); int dw_pcie_ep_raise_intx_irq(struct dw_pcie_ep *ep, u8 func_no); @@ -698,10 +697,6 @@ static inline int dw_pcie_ep_init_registers(struct dw_pcie_ep *ep) return 0; } -static inline void dw_pcie_ep_init_notify(struct dw_pcie_ep *ep) -{ -} - static inline void dw_pcie_ep_deinit(struct dw_pcie_ep *ep) { } diff --git a/drivers/pci/controller/dwc/pcie-keembay.c b/drivers/pci/controller/dwc/pcie-keembay.c index 98bbc83182b4..278205db60a2 100644 --- a/drivers/pci/controller/dwc/pcie-keembay.c +++ b/drivers/pci/controller/dwc/pcie-keembay.c @@ -442,7 +442,7 @@ static int keembay_pcie_probe(struct platform_device *pdev) return ret; } - dw_pcie_ep_init_notify(&pci->ep); + pci_epc_init_notify(pci->ep.epc); break; default: diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c index 1ecf602c225a..4d2d7457dcb3 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -482,7 +482,7 @@ static int qcom_pcie_perst_deassert(struct dw_pcie *pci) val &= ~PARF_MSTR_AXI_CLK_EN; writel_relaxed(val, pcie_ep->parf + PARF_MHI_CLOCK_RESET_CTRL); - dw_pcie_ep_init_notify(&pcie_ep->pci.ep); + pci_epc_init_notify(pcie_ep->pci.ep.epc); /* Enable LTSSM */ val = readl_relaxed(pcie_ep->parf + PARF_LTSSM); diff --git a/drivers/pci/controller/dwc/pcie-rcar-gen4.c b/drivers/pci/controller/dwc/pcie-rcar-gen4.c index cfeccc2f9ee1..237a6a8818de 100644 --- a/drivers/pci/controller/dwc/pcie-rcar-gen4.c +++ b/drivers/pci/controller/dwc/pcie-rcar-gen4.c @@ -437,7 +437,7 @@ static int rcar_gen4_add_dw_pcie_ep(struct rcar_gen4_pcie *rcar) rcar_gen4_pcie_ep_deinit(rcar); } - dw_pcie_ep_init_notify(ep); + pci_epc_init_notify(ep->epc); return ret; } diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 93f5433c5c55..432ed9d9a463 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1903,7 +1903,7 @@ static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie) goto fail_init_complete; } - dw_pcie_ep_init_notify(ep); + pci_epc_init_notify(ep->epc); /* Program the private control to allow sending LTR upstream */ if (pcie->of_data->has_ltr_req_fix) { diff --git a/drivers/pci/controller/dwc/pcie-uniphier-ep.c b/drivers/pci/controller/dwc/pcie-uniphier-ep.c index a2b844268e28..d6e73811216e 100644 --- a/drivers/pci/controller/dwc/pcie-uniphier-ep.c +++ b/drivers/pci/controller/dwc/pcie-uniphier-ep.c @@ -410,7 +410,7 @@ static int uniphier_pcie_ep_probe(struct platform_device *pdev) return ret; } - dw_pcie_ep_init_notify(&priv->pci.ep); + pci_epc_init_notify(priv->pci.ep.epc); return 0; }
Currently dw_pcie_ep_init_notify() wrapper just calls pci_epc_init_notify() directly. So this wrapper provides no benefit to the glue drivers. So let's remove it and call pci_epc_init_notify() directly from glue drivers. Suggested-by: Bjorn Helgaas <helgaas@kernel.org> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> --- drivers/pci/controller/dwc/pci-dra7xx.c | 2 +- drivers/pci/controller/dwc/pci-imx6.c | 2 +- drivers/pci/controller/dwc/pci-keystone.c | 2 +- drivers/pci/controller/dwc/pci-layerscape-ep.c | 2 +- drivers/pci/controller/dwc/pcie-artpec6.c | 2 +- drivers/pci/controller/dwc/pcie-designware-ep.c | 12 ------------ drivers/pci/controller/dwc/pcie-designware-plat.c | 2 +- drivers/pci/controller/dwc/pcie-designware.h | 5 ----- drivers/pci/controller/dwc/pcie-keembay.c | 2 +- drivers/pci/controller/dwc/pcie-qcom-ep.c | 2 +- drivers/pci/controller/dwc/pcie-rcar-gen4.c | 2 +- drivers/pci/controller/dwc/pcie-tegra194.c | 2 +- drivers/pci/controller/dwc/pcie-uniphier-ep.c | 2 +- 13 files changed, 11 insertions(+), 28 deletions(-)