From b2d6fd77d7f1df6a42e544b284ad3112dc401817 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Thu, 6 Oct 2016 13:30:00 -0500 Subject: [PATCH] PCI: armada: Pass device-specific struct to internal functions Only interfaces used from outside the driver, e.g., those called by the DesignWare core, need to accept pointers to the generic struct pcie_port. Internal interfaces can accept pointers to the device-specific struct, which makes them more straightforward. No functional change intended. Signed-off-by: Bjorn Helgaas Reviewed-by: Thomas Petazzoni --- drivers/pci/host/pcie-armada8k.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/pci/host/pcie-armada8k.c b/drivers/pci/host/pcie-armada8k.c index a5faa0207d7f..63297ed6571e 100644 --- a/drivers/pci/host/pcie-armada8k.c +++ b/drivers/pci/host/pcie-armada8k.c @@ -83,8 +83,9 @@ static int armada8k_pcie_link_up(struct pcie_port *pp) return 0; } -static void armada8k_pcie_establish_link(struct pcie_port *pp) +static void armada8k_pcie_establish_link(struct armada8k_pcie *pcie) { + struct pcie_port *pp = &pcie->pp; u32 reg; if (!dw_pcie_link_up(pp)) { @@ -135,13 +136,16 @@ static void armada8k_pcie_establish_link(struct pcie_port *pp) static void armada8k_pcie_host_init(struct pcie_port *pp) { + struct armada8k_pcie *pcie = to_armada8k_pcie(pp); + dw_pcie_setup_rc(pp); - armada8k_pcie_establish_link(pp); + armada8k_pcie_establish_link(pcie); } static irqreturn_t armada8k_pcie_irq_handler(int irq, void *arg) { - struct pcie_port *pp = arg; + struct armada8k_pcie *pcie = arg; + struct pcie_port *pp = &pcie->pp; u32 val; /* @@ -160,9 +164,10 @@ static struct pcie_host_ops armada8k_pcie_host_ops = { .host_init = armada8k_pcie_host_init, }; -static int armada8k_add_pcie_port(struct pcie_port *pp, +static int armada8k_add_pcie_port(struct armada8k_pcie *pcie, struct platform_device *pdev) { + struct pcie_port *pp = &pcie->pp; struct device *dev = &pdev->dev; int ret; @@ -176,7 +181,7 @@ static int armada8k_add_pcie_port(struct pcie_port *pp, } ret = devm_request_irq(dev, pp->irq, armada8k_pcie_irq_handler, - IRQF_SHARED, "armada8k-pcie", pp); + IRQF_SHARED, "armada8k-pcie", pcie); if (ret) { dev_err(dev, "failed to request irq %d\n", pp->irq); return ret; @@ -221,7 +226,7 @@ static int armada8k_pcie_probe(struct platform_device *pdev) goto fail; } - ret = armada8k_add_pcie_port(pp, pdev); + ret = armada8k_add_pcie_port(pcie, pdev); if (ret) goto fail; -- 2.45.2