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Groups > linux.kernel > #1599461
| From | Kishon Vijay Abraham I <kishon@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 11/23] PCI: dwc: dra7xx: Facilitate wrapper and msi interrupts to be enabled independently |
| Date | 2017-03-13 15:40 +0100 |
| Message-ID | <tkziH-1PZ-47@gated-at.bofh.it> (permalink) |
| References | <tkz8Z-1Mu-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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>
---
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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[GIT PULL 00/23] PCI: Support for configurable PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 16/23] PCI: Add device IDs for DRA74x and DRA72x Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 14/23] PCI: dwc: dra7xx: Workaround for errata id i870 Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 15/23] dt-bindings: PCI: dra7xx: Add dt bindings to enable unaligned access Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 07/23] PCI: endpoint: functions: Add an EP function to test PCI Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 19/23] tools: PCI: Add a userspace tool to test PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 13/23] dt-bindings: PCI: dra7xx: Add dt bindings for pci dra7xx EP mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 09/23] PCI: dwc: designware: Add EP mode support Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 08/23] Documentation: PCI: Add binding documentation for pci-test endpoint function Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 23/23] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 17/23] misc: Add host side pci driver for pci test function device Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 22/23] MAINTAINERS: add PCI EP maintainer Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 18/23] Documentation: misc-devices: Add Documentation for pci-endpoint-test driver Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 20/23] tools: PCI: Add sample test script to invoke pcitest Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 12/23] PCI: dwc: dra7xx: Add EP mode support Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 21/23] Documentation: PCI: Add userguide for PCI endpoint test function Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 02/23] Documentation: PCI: Guide to use PCI Endpoint Core Layer Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:30 +0100 [PATCH v4 10/23] dt-bindings: PCI: Add dt bindings for pci designware EP mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:40 +0100 [PATCH v4 06/23] Documentation: PCI: Add specification for the *pci test* function device Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:40 +0100 [PATCH v4 11/23] PCI: dwc: dra7xx: Facilitate wrapper and msi interrupts to be enabled independently Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:40 +0100 [PATCH v4 04/23] Documentation: PCI: Guide to use pci endpoint configfs Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:40 +0100 [PATCH v4 03/23] PCI: endpoint: Introduce configfs entry for configuring EP functions Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:40 +0100 [PATCH v4 05/23] PCI: endpoint: Create configfs entry for EPC device and EPF driver Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-13 15:40 +0100
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