diff options
Diffstat (limited to 'drivers/pci/dwc/pcie-designware-host.c')
-rw-r--r-- | drivers/pci/dwc/pcie-designware-host.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/drivers/pci/dwc/pcie-designware-host.c b/drivers/pci/dwc/pcie-designware-host.c index 5ba334938b52..28ed32ba4f1b 100644 --- a/drivers/pci/dwc/pcie-designware-host.c +++ b/drivers/pci/dwc/pcie-designware-host.c @@ -56,24 +56,25 @@ static struct irq_chip dw_msi_irq_chip = { /* MSI int handler */ irqreturn_t dw_handle_msi_irq(struct pcie_port *pp) { - unsigned long val; + u32 val; int i, pos, irq; irqreturn_t ret = IRQ_NONE; for (i = 0; i < MAX_MSI_CTRLS; i++) { dw_pcie_rd_own_conf(pp, PCIE_MSI_INTR0_STATUS + i * 12, 4, - (u32 *)&val); - if (val) { - ret = IRQ_HANDLED; - pos = 0; - while ((pos = find_next_bit(&val, 32, pos)) != 32) { - irq = irq_find_mapping(pp->irq_domain, - i * 32 + pos); - dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_STATUS + - i * 12, 4, 1 << pos); - generic_handle_irq(irq); - pos++; - } + &val); + if (!val) + continue; + + ret = IRQ_HANDLED; + pos = 0; + while ((pos = find_next_bit((unsigned long *) &val, 32, + pos)) != 32) { + irq = irq_find_mapping(pp->irq_domain, i * 32 + pos); + dw_pcie_wr_own_conf(pp, PCIE_MSI_INTR0_STATUS + i * 12, + 4, 1 << pos); + generic_handle_irq(irq); + pos++; } } @@ -338,8 +339,9 @@ int dw_pcie_host_init(struct pcie_port *pp) } if (!pci->dbi_base) { - pci->dbi_base = devm_ioremap(dev, pp->cfg->start, - resource_size(pp->cfg)); + pci->dbi_base = devm_pci_remap_cfgspace(dev, + pp->cfg->start, + resource_size(pp->cfg)); if (!pci->dbi_base) { dev_err(dev, "error with ioremap\n"); ret = -ENOMEM; @@ -350,8 +352,8 @@ int dw_pcie_host_init(struct pcie_port *pp) pp->mem_base = pp->mem->start; if (!pp->va_cfg0_base) { - pp->va_cfg0_base = devm_ioremap(dev, pp->cfg0_base, - pp->cfg0_size); + 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"); ret = -ENOMEM; @@ -360,7 +362,8 @@ int dw_pcie_host_init(struct pcie_port *pp) } if (!pp->va_cfg1_base) { - pp->va_cfg1_base = devm_ioremap(dev, pp->cfg1_base, + pp->va_cfg1_base = devm_pci_remap_cfgspace(dev, + pp->cfg1_base, pp->cfg1_size); if (!pp->va_cfg1_base) { dev_err(dev, "error with ioremap\n"); |