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@xxxxxx>
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
drivers/pci/dwc/pci-dra7xx.c | 24 ++++++++++++++++++------
1 file changed, 18 insertions(+), 6 deletions(-)
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 7c9ed6a6675c..d78974d20360 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -140,18 +140,30 @@ 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_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,
+
+ 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);
+}
+
+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)
{
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
--
2.11.0
--
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