| Message ID | 20201028204646.356535-12-robh@kernel.org (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | PCI: dwc: Another round of clean-ups | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (8cb17737940b156329cb5210669b9c9b23f4dd56) |
| snowpatch_ozlabs/checkpatch | success | |
| snowpatch_ozlabs/needsstable | success | Patch has no Fixes tags |
On 10/28/20, 4:47 PM, Rob Herring wrote: > > The host drivers which call dw_pcie_msi_init() are all the ones using > the built-in MSI controller, so let's move it into the common DWC code. > > Cc: Kishon Vijay Abraham I <kishon@ti.com> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> > Cc: Bjorn Helgaas <bhelgaas@google.com> > Cc: Jingoo Han <jingoohan1@gmail.com> Acked-by: Jingoo Han <jingoohan1@gmail.com> Best regards, Jingoo Han > Cc: Kukjin Kim <kgene@kernel.org> > Cc: Krzysztof Kozlowski <krzk@kernel.org> > Cc: Richard Zhu <hongxing.zhu@nxp.com> > Cc: Lucas Stach <l.stach@pengutronix.de> > Cc: Shawn Guo <shawnguo@kernel.org> > Cc: Sascha Hauer <s.hauer@pengutronix.de> > Cc: Pengutronix Kernel Team <kernel@pengutronix.de> > Cc: Fabio Estevam <festevam@gmail.com> > Cc: NXP Linux Team <linux-imx@nxp.com> > Cc: Yue Wang <yue.wang@Amlogic.com> > Cc: Kevin Hilman <khilman@baylibre.com> > Cc: Neil Armstrong <narmstrong@baylibre.com> > Cc: Jerome Brunet <jbrunet@baylibre.com> > Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com> > Cc: Jesper Nilsson <jesper.nilsson@axis.com> > Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com> > Cc: Xiaowei Song <songxiaowei@hisilicon.com> > Cc: Binghui Wang <wangbinghui@hisilicon.com> > Cc: Stanimir Varbanov <svarbanov@mm-sol.com> > Cc: Andy Gross <agross@kernel.org> > Cc: Bjorn Andersson <bjorn.andersson@linaro.org> > Cc: Pratyush Anand <pratyush.anand@gmail.com> > Cc: Thierry Reding <thierry.reding@gmail.com> > Cc: Jonathan Hunter <jonathanh@nvidia.com> > Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> > Cc: Masahiro Yamada <yamada.masahiro@socionext.com> > Cc: linux-omap@vger.kernel.org > Cc: linux-samsung-soc@vger.kernel.org > Cc: linux-amlogic@lists.infradead.org > Cc: linux-arm-kernel@axis.com > Cc: linux-arm-msm@vger.kernel.org > Cc: linux-tegra@vger.kernel.org > Signed-off-by: Rob Herring <robh@kernel.org> > --- > drivers/pci/controller/dwc/pci-dra7xx.c | 2 -- > drivers/pci/controller/dwc/pci-exynos.c | 4 ---- > drivers/pci/controller/dwc/pci-imx6.c | 1 - > drivers/pci/controller/dwc/pci-meson.c | 1 - > drivers/pci/controller/dwc/pcie-artpec6.c | 1 - > drivers/pci/controller/dwc/pcie-designware-host.c | 8 +++++--- > drivers/pci/controller/dwc/pcie-designware-plat.c | 1 - > drivers/pci/controller/dwc/pcie-designware.h | 10 ---------- > drivers/pci/controller/dwc/pcie-histb.c | 2 -- > drivers/pci/controller/dwc/pcie-kirin.c | 1 - > drivers/pci/controller/dwc/pcie-qcom.c | 2 -- > drivers/pci/controller/dwc/pcie-spear13xx.c | 6 +----- > drivers/pci/controller/dwc/pcie-tegra194.c | 2 -- > drivers/pci/controller/dwc/pcie-uniphier.c | 1 - > 14 files changed, 6 insertions(+), 36 deletions(-) [...]
diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index 054423d9646d..72a5a2bf933b 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -182,8 +182,6 @@ static int dra7xx_pcie_host_init(struct pcie_port *pp) struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci); dw_pcie_setup_rc(pp); - - dw_pcie_msi_init(pp); dra7xx_pcie_enable_interrupts(dra7xx); return 0; diff --git a/drivers/pci/controller/dwc/pci-exynos.c b/drivers/pci/controller/dwc/pci-exynos.c index 6498b615c834..3939fe22e8a2 100644 --- a/drivers/pci/controller/dwc/pci-exynos.c +++ b/drivers/pci/controller/dwc/pci-exynos.c @@ -273,12 +273,8 @@ static irqreturn_t exynos_pcie_irq_handler(int irq, void *arg) static void exynos_pcie_msi_init(struct exynos_pcie *ep) { - struct dw_pcie *pci = ep->pci; - struct pcie_port *pp = &pci->pp; u32 val; - dw_pcie_msi_init(pp); - /* enable MSI interrupt */ val = exynos_pcie_readl(ep->mem_res->elbi_base, PCIE_IRQ_EN_LEVEL); val |= IRQ_MSI_ENABLE; diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 20e249efb02c..c808b563486f 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -835,7 +835,6 @@ static int imx6_pcie_host_init(struct pcie_port *pp) imx6_pcie_deassert_core_reset(imx6_pcie); imx6_setup_phy_mpll(imx6_pcie); dw_pcie_setup_rc(pp); - dw_pcie_msi_init(pp); return 0; } diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c index 41a3351b100b..2df0adcf0bf2 100644 --- a/drivers/pci/controller/dwc/pci-meson.c +++ b/drivers/pci/controller/dwc/pci-meson.c @@ -381,7 +381,6 @@ static int meson_pcie_host_init(struct pcie_port *pp) meson_set_max_rd_req_size(mp, MAX_READ_REQ_SIZE); dw_pcie_setup_rc(pp); - dw_pcie_msi_init(pp); return 0; } diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c index 8b3da3038ac3..7ee8f3c83f8f 100644 --- a/drivers/pci/controller/dwc/pcie-artpec6.c +++ b/drivers/pci/controller/dwc/pcie-artpec6.c @@ -329,7 +329,6 @@ static int artpec6_pcie_host_init(struct pcie_port *pp) artpec6_pcie_deassert_core_reset(artpec6_pcie); artpec6_pcie_wait_for_phy(artpec6_pcie); dw_pcie_setup_rc(pp); - dw_pcie_msi_init(pp); return 0; } diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index f5f9d4e58aa3..025514e00a42 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -256,7 +256,7 @@ int dw_pcie_allocate_domains(struct pcie_port *pp) return 0; } -void dw_pcie_free_msi(struct pcie_port *pp) +static void dw_pcie_free_msi(struct pcie_port *pp) { if (pp->msi_irq) { irq_set_chained_handler(pp->msi_irq, NULL); @@ -275,12 +275,12 @@ void dw_pcie_free_msi(struct pcie_port *pp) } } -void dw_pcie_msi_init(struct pcie_port *pp) +static void dw_pcie_msi_init(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); u64 msi_target = (u64)pp->msi_data; - if (!IS_ENABLED(CONFIG_PCI_MSI)) + if (!pci_msi_enabled() || !pp->has_msi_ctrl) return; /* Program the msi_data */ @@ -423,6 +423,8 @@ int dw_pcie_host_init(struct pcie_port *pp) goto err_free_msi; } + dw_pcie_msi_init(pp); + if (!dw_pcie_link_up(pci) && pci->ops->start_link) { ret = pci->ops->start_link(pci); if (ret) diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/pci/controller/dwc/pcie-designware-plat.c index adebcaeb1a6c..dec24e595c3e 100644 --- a/drivers/pci/controller/dwc/pcie-designware-plat.c +++ b/drivers/pci/controller/dwc/pcie-designware-plat.c @@ -36,7 +36,6 @@ static const struct of_device_id dw_plat_pcie_of_match[]; static int dw_plat_pcie_host_init(struct pcie_port *pp) { dw_pcie_setup_rc(pp); - dw_pcie_msi_init(pp); return 0; } diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 5d374bab10d1..57326aebc6e1 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -363,8 +363,6 @@ static inline void dw_pcie_dbi_ro_wr_dis(struct dw_pcie *pci) #ifdef CONFIG_PCIE_DW_HOST irqreturn_t dw_handle_msi_irq(struct pcie_port *pp); -void dw_pcie_msi_init(struct pcie_port *pp); -void dw_pcie_free_msi(struct pcie_port *pp); void dw_pcie_setup_rc(struct pcie_port *pp); int dw_pcie_host_init(struct pcie_port *pp); void dw_pcie_host_deinit(struct pcie_port *pp); @@ -377,14 +375,6 @@ static inline irqreturn_t dw_handle_msi_irq(struct pcie_port *pp) return IRQ_NONE; } -static inline void dw_pcie_msi_init(struct pcie_port *pp) -{ -} - -static inline void dw_pcie_free_msi(struct pcie_port *pp) -{ -} - static inline void dw_pcie_setup_rc(struct pcie_port *pp) { } diff --git a/drivers/pci/controller/dwc/pcie-histb.c b/drivers/pci/controller/dwc/pcie-histb.c index ece544165059..210777c793ea 100644 --- a/drivers/pci/controller/dwc/pcie-histb.c +++ b/drivers/pci/controller/dwc/pcie-histb.c @@ -199,8 +199,6 @@ static int histb_pcie_host_init(struct pcie_port *pp) /* setup root complex */ dw_pcie_setup_rc(pp); - dw_pcie_msi_init(pp); - return 0; } diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c index 675b4d8392d3..f84ac1b36b2c 100644 --- a/drivers/pci/controller/dwc/pcie-kirin.c +++ b/drivers/pci/controller/dwc/pcie-kirin.c @@ -406,7 +406,6 @@ static int kirin_pcie_host_init(struct pcie_port *pp) pp->bridge->ops = &kirin_pci_ops; dw_pcie_setup_rc(pp); - dw_pcie_msi_init(pp); return 0; } diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 8eb8ac2fb270..eb107179d544 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -1281,8 +1281,6 @@ static int qcom_pcie_host_init(struct pcie_port *pp) } dw_pcie_setup_rc(pp); - dw_pcie_msi_init(pp); - qcom_ep_reset_deassert(pcie); return 0; diff --git a/drivers/pci/controller/dwc/pcie-spear13xx.c b/drivers/pci/controller/dwc/pcie-spear13xx.c index ebbaa06fc8ab..31475e4493a7 100644 --- a/drivers/pci/controller/dwc/pcie-spear13xx.c +++ b/drivers/pci/controller/dwc/pcie-spear13xx.c @@ -102,16 +102,12 @@ static irqreturn_t spear13xx_pcie_irq_handler(int irq, void *arg) static void spear13xx_pcie_enable_interrupts(struct spear13xx_pcie *spear13xx_pcie) { - struct dw_pcie *pci = spear13xx_pcie->pci; - struct pcie_port *pp = &pci->pp; struct pcie_app_reg *app_reg = spear13xx_pcie->app_base; /* Enable MSI interrupt */ - if (IS_ENABLED(CONFIG_PCI_MSI)) { - dw_pcie_msi_init(pp); + if (IS_ENABLED(CONFIG_PCI_MSI)) writel(readl(&app_reg->int_mask) | MSI_CTRL_INT, &app_reg->int_mask); - } } static int spear13xx_pcie_link_up(struct dw_pcie *pci) diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index f7d7b002a06d..84f3e0bb4c7a 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -765,8 +765,6 @@ static void tegra_pcie_enable_msi_interrupts(struct pcie_port *pp) struct tegra_pcie_dw *pcie = to_tegra_pcie(pci); u32 val; - dw_pcie_msi_init(pp); - /* Enable MSI interrupt generation */ val = appl_readl(pcie, APPL_INTR_EN_L0_0); val |= APPL_INTR_EN_L0_0_SYS_MSI_INTR_EN; diff --git a/drivers/pci/controller/dwc/pcie-uniphier.c b/drivers/pci/controller/dwc/pcie-uniphier.c index f4b776e231d6..e6616408a29c 100644 --- a/drivers/pci/controller/dwc/pcie-uniphier.c +++ b/drivers/pci/controller/dwc/pcie-uniphier.c @@ -315,7 +315,6 @@ static int uniphier_pcie_host_init(struct pcie_port *pp) uniphier_pcie_irq_enable(priv); dw_pcie_setup_rc(pp); - dw_pcie_msi_init(pp); return 0; }
The host drivers which call dw_pcie_msi_init() are all the ones using the built-in MSI controller, so let's move it into the common DWC code. Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Jingoo Han <jingoohan1@gmail.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Richard Zhu <hongxing.zhu@nxp.com> Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: Yue Wang <yue.wang@Amlogic.com> Cc: Kevin Hilman <khilman@baylibre.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Jerome Brunet <jbrunet@baylibre.com> Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Cc: Xiaowei Song <songxiaowei@hisilicon.com> Cc: Binghui Wang <wangbinghui@hisilicon.com> Cc: Stanimir Varbanov <svarbanov@mm-sol.com> Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Pratyush Anand <pratyush.anand@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: linux-omap@vger.kernel.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@axis.com Cc: linux-arm-msm@vger.kernel.org Cc: linux-tegra@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> --- drivers/pci/controller/dwc/pci-dra7xx.c | 2 -- drivers/pci/controller/dwc/pci-exynos.c | 4 ---- drivers/pci/controller/dwc/pci-imx6.c | 1 - drivers/pci/controller/dwc/pci-meson.c | 1 - drivers/pci/controller/dwc/pcie-artpec6.c | 1 - drivers/pci/controller/dwc/pcie-designware-host.c | 8 +++++--- drivers/pci/controller/dwc/pcie-designware-plat.c | 1 - drivers/pci/controller/dwc/pcie-designware.h | 10 ---------- drivers/pci/controller/dwc/pcie-histb.c | 2 -- drivers/pci/controller/dwc/pcie-kirin.c | 1 - drivers/pci/controller/dwc/pcie-qcom.c | 2 -- drivers/pci/controller/dwc/pcie-spear13xx.c | 6 +----- drivers/pci/controller/dwc/pcie-tegra194.c | 2 -- drivers/pci/controller/dwc/pcie-uniphier.c | 1 - 14 files changed, 6 insertions(+), 36 deletions(-)