Replaces lower into upper case characters in comments and debug printks. This is an attempt to keep the messages coherent within the designware driver. Also fixed code style on dw_pcie_irq_domain_free function. Signed-off-by: Gustavo Pimentel <gustavo.pimentel@xxxxxxxxxxxx> --- Change v1->v2: - Added an extra log description line about code style following Fabio Estevam suggestion. drivers/pci/dwc/pcie-designware-ep.c | 16 ++++++++-------- drivers/pci/dwc/pcie-designware-host.c | 35 ++++++++++++++++++---------------- drivers/pci/dwc/pcie-designware.c | 22 ++++++++++----------- 3 files changed, 38 insertions(+), 35 deletions(-) diff --git a/drivers/pci/dwc/pcie-designware-ep.c b/drivers/pci/dwc/pcie-designware-ep.c index 4ac135a..05515ca 100644 --- a/drivers/pci/dwc/pcie-designware-ep.c +++ b/drivers/pci/dwc/pcie-designware-ep.c @@ -77,7 +77,7 @@ static int dw_pcie_ep_inbound_atu(struct dw_pcie_ep *ep, enum pci_barno bar, free_win = find_first_zero_bit(ep->ib_window_map, ep->num_ib_windows); if (free_win >= ep->num_ib_windows) { - dev_err(pci->dev, "no free inbound window\n"); + dev_err(pci->dev, "No free inbound window\n"); return -EINVAL; } @@ -102,7 +102,7 @@ static int dw_pcie_ep_outbound_atu(struct dw_pcie_ep *ep, phys_addr_t phys_addr, free_win = find_first_zero_bit(ep->ob_window_map, ep->num_ob_windows); if (free_win >= ep->num_ob_windows) { - dev_err(pci->dev, "no free outbound window\n"); + dev_err(pci->dev, "No free outbound window\n"); return -EINVAL; } @@ -206,7 +206,7 @@ static int dw_pcie_ep_map_addr(struct pci_epc *epc, u8 func_no, ret = dw_pcie_ep_outbound_atu(ep, addr, pci_addr, size); if (ret) { - dev_err(pci->dev, "failed to enable address\n"); + dev_err(pci->dev, "Failed to enable address\n"); return ret; } @@ -350,21 +350,21 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) ret = of_property_read_u32(np, "num-ib-windows", &ep->num_ib_windows); if (ret < 0) { - dev_err(dev, "unable to read *num-ib-windows* property\n"); + dev_err(dev, "Unable to read *num-ib-windows* property\n"); return ret; } if (ep->num_ib_windows > MAX_IATU_IN) { - dev_err(dev, "invalid *num-ib-windows*\n"); + dev_err(dev, "Invalid *num-ib-windows*\n"); return -EINVAL; } ret = of_property_read_u32(np, "num-ob-windows", &ep->num_ob_windows); if (ret < 0) { - dev_err(dev, "unable to read *num-ob-windows* property\n"); + dev_err(dev, "Unable to read *num-ob-windows* property\n"); return ret; } if (ep->num_ob_windows > MAX_IATU_OUT) { - dev_err(dev, "invalid *num-ob-windows*\n"); + dev_err(dev, "Invalid *num-ob-windows*\n"); return -EINVAL; } @@ -391,7 +391,7 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) epc = devm_pci_epc_create(dev, &epc_ops); if (IS_ERR(epc)) { - dev_err(dev, "failed to create epc device\n"); + dev_err(dev, "Failed to create epc device\n"); return PTR_ERR(epc); } diff --git a/drivers/pci/dwc/pcie-designware-host.c b/drivers/pci/dwc/pcie-designware-host.c index 550fdbb..03e9b82 100644 --- a/drivers/pci/dwc/pcie-designware-host.c +++ b/drivers/pci/dwc/pcie-designware-host.c @@ -248,8 +248,10 @@ static void dw_pcie_irq_domain_free(struct irq_domain *domain, unsigned long flags; raw_spin_lock_irqsave(&pp->lock, flags); + bitmap_release_region(pp->msi_irq_in_use, data->hwirq, order_base_2(nr_irqs)); + raw_spin_unlock_irqrestore(&pp->lock, flags); } @@ -266,7 +268,7 @@ int dw_pcie_allocate_domains(struct pcie_port *pp) pp->irq_domain = irq_domain_create_linear(fwnode, pp->num_vectors, &dw_pcie_msi_domain_ops, pp); if (!pp->irq_domain) { - dev_err(pci->dev, "failed to create IRQ domain\n"); + dev_err(pci->dev, "Failed to create IRQ domain\n"); return -ENOMEM; } @@ -274,7 +276,7 @@ int dw_pcie_allocate_domains(struct pcie_port *pp) &dw_pcie_msi_domain_info, pp->irq_domain); if (!pp->msi_domain) { - dev_err(pci->dev, "failed to create MSI domain\n"); + dev_err(pci->dev, "Failed to create MSI domain\n"); irq_domain_remove(pp->irq_domain); return -ENOMEM; } @@ -301,13 +303,13 @@ void dw_pcie_msi_init(struct pcie_port *pp) page = alloc_page(GFP_KERNEL); pp->msi_data = dma_map_page(dev, page, 0, PAGE_SIZE, DMA_FROM_DEVICE); if (dma_mapping_error(dev, pp->msi_data)) { - dev_err(dev, "failed to map MSI data\n"); + dev_err(dev, "Failed to map MSI data\n"); __free_page(page); return; } msi_target = (u64)pp->msi_data; - /* program the msi_data */ + /* Program the msi_data */ dw_pcie_wr_own_conf(pp, PCIE_MSI_ADDR_LO, 4, lower_32_bits(msi_target)); dw_pcie_wr_own_conf(pp, PCIE_MSI_ADDR_HI, 4, @@ -335,7 +337,7 @@ int dw_pcie_host_init(struct pcie_port *pp) pp->cfg0_base = cfg_res->start; pp->cfg1_base = cfg_res->start + pp->cfg0_size; } else if (!pp->va_cfg0_base) { - dev_err(dev, "missing *config* reg space\n"); + dev_err(dev, "Missing *config* reg space\n"); } bridge = pci_alloc_host_bridge(0); @@ -357,7 +359,7 @@ int dw_pcie_host_init(struct pcie_port *pp) case IORESOURCE_IO: ret = pci_remap_iospace(win->res, pp->io_base); if (ret) { - dev_warn(dev, "error %d: failed to map resource %pR\n", + dev_warn(dev, "Error %d: failed to map resource %pR\n", ret, win->res); resource_list_destroy_entry(win); } else { @@ -391,7 +393,7 @@ int dw_pcie_host_init(struct pcie_port *pp) pp->cfg->start, resource_size(pp->cfg)); if (!pci->dbi_base) { - dev_err(dev, "error with ioremap\n"); + dev_err(dev, "Error with ioremap\n"); ret = -ENOMEM; goto error; } @@ -403,7 +405,7 @@ int dw_pcie_host_init(struct pcie_port *pp) pp->va_cfg0_base = devm_pci_remap_cfgspace(dev, pp->cfg0_base, pp->cfg0_size); if (!pp->va_cfg0_base) { - dev_err(dev, "error with ioremap in function\n"); + dev_err(dev, "Error with ioremap in function\n"); ret = -ENOMEM; goto error; } @@ -414,7 +416,7 @@ int dw_pcie_host_init(struct pcie_port *pp) pp->cfg1_base, pp->cfg1_size); if (!pp->va_cfg1_base) { - dev_err(dev, "error with ioremap\n"); + dev_err(dev, "Error with ioremap\n"); ret = -ENOMEM; goto error; } @@ -586,7 +588,7 @@ static int dw_pcie_valid_device(struct pcie_port *pp, struct pci_bus *bus, return 0; } - /* access only one slot on each root port */ + /* Access only one slot on each root port */ if (bus->number == pp->root_bus_nr && dev > 0) return 0; @@ -652,11 +654,12 @@ void dw_pcie_setup_rc(struct pcie_port *pp) for (ctrl = 0; ctrl < num_ctrls; ctrl++) dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_ENABLE + (ctrl * 12), 4, &pp->irq_status[ctrl]); - /* setup RC BARs */ + + /* Setup RC BARs */ dw_pcie_writel_dbi(pci, PCI_BASE_ADDRESS_0, 0x00000004); dw_pcie_writel_dbi(pci, PCI_BASE_ADDRESS_1, 0x00000000); - /* setup interrupt pins */ + /* Setup interrupt pins */ dw_pcie_dbi_ro_wr_en(pci); val = dw_pcie_readl_dbi(pci, PCI_INTERRUPT_LINE); val &= 0xffff00ff; @@ -664,13 +667,13 @@ void dw_pcie_setup_rc(struct pcie_port *pp) dw_pcie_writel_dbi(pci, PCI_INTERRUPT_LINE, val); dw_pcie_dbi_ro_wr_dis(pci); - /* setup bus numbers */ + /* Setup bus numbers */ val = dw_pcie_readl_dbi(pci, PCI_PRIMARY_BUS); val &= 0xff000000; val |= 0x00010100; dw_pcie_writel_dbi(pci, PCI_PRIMARY_BUS, val); - /* setup command register */ + /* Setup command register */ val = dw_pcie_readl_dbi(pci, PCI_COMMAND); val &= 0xffff0000; val |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY | @@ -683,7 +686,7 @@ void dw_pcie_setup_rc(struct pcie_port *pp) * we should not program the ATU here. */ if (!pp->ops->rd_other_conf) { - /* get iATU unroll support */ + /* Get iATU unroll support */ pci->iatu_unroll_enabled = dw_pcie_iatu_unroll_enabled(pci); dev_dbg(pci->dev, "iATU unroll: %s\n", pci->iatu_unroll_enabled ? "enabled" : "disabled"); @@ -701,7 +704,7 @@ void dw_pcie_setup_rc(struct pcie_port *pp) /* Enable write permission for the DBI read-only register */ dw_pcie_dbi_ro_wr_en(pci); - /* program correct class for RC */ + /* Program correct class for RC */ dw_pcie_wr_own_conf(pp, PCI_CLASS_DEVICE, 2, PCI_CLASS_BRIDGE_PCI); /* Better disable write permission right after the update */ dw_pcie_dbi_ro_wr_dis(pci); diff --git a/drivers/pci/dwc/pcie-designware.c b/drivers/pci/dwc/pcie-designware.c index 1b7282e..778c4f7 100644 --- a/drivers/pci/dwc/pcie-designware.c +++ b/drivers/pci/dwc/pcie-designware.c @@ -69,7 +69,7 @@ u32 __dw_pcie_read_dbi(struct dw_pcie *pci, void __iomem *base, u32 reg, ret = dw_pcie_read(base + reg, size, &val); if (ret) - dev_err(pci->dev, "read DBI address failed\n"); + dev_err(pci->dev, "Read DBI address failed\n"); return val; } @@ -86,7 +86,7 @@ void __dw_pcie_write_dbi(struct dw_pcie *pci, void __iomem *base, u32 reg, ret = dw_pcie_write(base + reg, size, val); if (ret) - dev_err(pci->dev, "write DBI address failed\n"); + dev_err(pci->dev, "Write DBI address failed\n"); } static u32 dw_pcie_readl_ob_unroll(struct dw_pcie *pci, u32 index, u32 reg) @@ -137,7 +137,7 @@ static void dw_pcie_prog_outbound_atu_unroll(struct dw_pcie *pci, int index, usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX); } - dev_err(pci->dev, "outbound iATU is not being enabled\n"); + dev_err(pci->dev, "Outbound iATU is not being enabled\n"); } void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type, @@ -180,7 +180,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type, usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX); } - dev_err(pci->dev, "outbound iATU is not being enabled\n"); + dev_err(pci->dev, "Outbound iATU is not being enabled\n"); } static u32 dw_pcie_readl_ib_unroll(struct dw_pcie *pci, u32 index, u32 reg) @@ -238,7 +238,7 @@ static int dw_pcie_prog_inbound_atu_unroll(struct dw_pcie *pci, int index, usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX); } - dev_err(pci->dev, "inbound iATU is not being enabled\n"); + dev_err(pci->dev, "Inbound iATU is not being enabled\n"); return -EBUSY; } @@ -284,7 +284,7 @@ int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, int index, int bar, usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX); } - dev_err(pci->dev, "inbound iATU is not being enabled\n"); + dev_err(pci->dev, "Inbound iATU is not being enabled\n"); return -EBUSY; } @@ -313,16 +313,16 @@ int dw_pcie_wait_for_link(struct dw_pcie *pci) { int retries; - /* check if the link is up or not */ + /* Check if the link is up or not */ for (retries = 0; retries < LINK_WAIT_MAX_RETRIES; retries++) { if (dw_pcie_link_up(pci)) { - dev_info(pci->dev, "link up\n"); + dev_info(pci->dev, "Link up\n"); return 0; } usleep_range(LINK_WAIT_USLEEP_MIN, LINK_WAIT_USLEEP_MAX); } - dev_err(pci->dev, "phy link never came up\n"); + dev_err(pci->dev, "Phy link never came up\n"); return -ETIMEDOUT; } @@ -351,7 +351,7 @@ void dw_pcie_setup(struct dw_pcie *pci) if (ret) lanes = 0; - /* set the number of lanes */ + /* Set the number of lanes */ val = dw_pcie_readl_dbi(pci, PCIE_PORT_LINK_CONTROL); val &= ~PORT_LINK_MODE_MASK; switch (lanes) { @@ -373,7 +373,7 @@ void dw_pcie_setup(struct dw_pcie *pci) } dw_pcie_writel_dbi(pci, PCIE_PORT_LINK_CONTROL, val); - /* set link width speed control register */ + /* Set link width speed control register */ val = dw_pcie_readl_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL); val &= ~PORT_LOGIC_LINK_WIDTH_MASK; switch (lanes) { -- 2.7.4