diff options
| author |   Rob Herring <robh@kernel.org> | 2020-11-05 15:11:54 -0600 |
|---|---|---|
| committer |   Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2020-11-19 10:51:41 +0000 |
| commit | 59fbab1ae40eb048eb2bd2385a5b981051513458 (patch) | |
| tree | 48e6b76e84656d57576b0a515ac3aead6e86d175 /drivers/pci/controller/dwc/pcie-designware-host.c | |
| parent | PCI: dwc: Move link handling into common code (diff) | |
| download | linux-dev-59fbab1ae40eb048eb2bd2385a5b981051513458.tar.xz linux-dev-59fbab1ae40eb048eb2bd2385a5b981051513458.zip | |
PCI: dwc: Move dw_pcie_msi_init() into core
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.
Link: https://lore.kernel.org/r/20201105211159.1814485-12-robh@kernel.org
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.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
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware-host.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-host.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index 800e7a0415cf..ebea2c814448 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); @@ -275,19 +275,18 @@ 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 */ dw_pcie_writel_dbi(pci, PCIE_MSI_ADDR_LO, lower_32_bits(msi_target)); dw_pcie_writel_dbi(pci, PCIE_MSI_ADDR_HI, upper_32_bits(msi_target)); } -EXPORT_SYMBOL_GPL(dw_pcie_msi_init); int dw_pcie_host_init(struct pcie_port *pp) { @@ -423,6 +422,8 @@ 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) |