PCI: dwc: dra7xx: Facilitate wrapper and MSI interrupts to be enabled independently
No functional change. Split dra7xx_pcie_enable_interrupts() into
dra7xx_pcie_enable_wrapper_interrupts() and
dra7xx_pcie_enable_msi_interrupts() so that wrapper interrupts and MSI
interrupts can be enabled independently. This is in preparation for adding
EP mode support to dra7xx driver since EP mode doesn't have to enable
msi_interrupts.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 7c9ed6a..d78974d 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -140,16 +140,28 @@ static int dra7xx_pcie_establish_link(struct dra7xx_pcie *dra7xx)
return dw_pcie_wait_for_link(pci);
}
-static void dra7xx_pcie_enable_interrupts(struct dra7xx_pcie *dra7xx)
+static void dra7xx_pcie_enable_msi_interrupts(struct dra7xx_pcie *dra7xx)
+{
+ dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI,
+ ~LEG_EP_INTERRUPTS & ~MSI);
+
+ dra7xx_pcie_writel(dra7xx,
+ PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MSI,
+ MSI | LEG_EP_INTERRUPTS);
+}
+
+static void dra7xx_pcie_enable_wrapper_interrupts(struct dra7xx_pcie *dra7xx)
{
dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MAIN,
~INTERRUPTS);
- dra7xx_pcie_writel(dra7xx,
- PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MAIN, INTERRUPTS);
- dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI,
- ~LEG_EP_INTERRUPTS & ~MSI);
- dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MSI,
- MSI | LEG_EP_INTERRUPTS);
+ dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MAIN,
+ INTERRUPTS);
+}
+
+static void dra7xx_pcie_enable_interrupts(struct dra7xx_pcie *dra7xx)
+{
+ dra7xx_pcie_enable_wrapper_interrupts(dra7xx);
+ dra7xx_pcie_enable_msi_interrupts(dra7xx);
}
static void dra7xx_pcie_host_init(struct pcie_port *pp)