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Groups > linux.kernel > #1595771
| From | Kishon Vijay Abraham I <kishon@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 23/23] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP |
| Date | 2017-03-09 09:10 +0100 |
| Message-ID | <tj1j5-2og-65@gated-at.bofh.it> (permalink) |
| References | <tj19o-25r-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The PCIe programming sequence in TRM suggests CLKSTCTRL of PCIe should
be set to SW_WKUP. There are no issues when CLKSTCTRL is set to HW_AUTO
in RC mode. However in EP mode, the host system is not able to access the
MEMSPACE and setting the CLKSTCTRL to SW_WKUP fixes it.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
arch/arm/mach-omap2/clockdomains7xx_data.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/clockdomains7xx_data.c b/arch/arm/mach-omap2/clockdomains7xx_data.c
index 6c67965..67ebff8 100644
--- a/arch/arm/mach-omap2/clockdomains7xx_data.c
+++ b/arch/arm/mach-omap2/clockdomains7xx_data.c
@@ -524,7 +524,7 @@
.dep_bit = DRA7XX_PCIE_STATDEP_SHIFT,
.wkdep_srcs = pcie_wkup_sleep_deps,
.sleepdep_srcs = pcie_wkup_sleep_deps,
- .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .flags = CLKDM_CAN_SWSUP,
};
static struct clockdomain atl_7xx_clkdm = {
--
1.7.9.5
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[PATCH v3 00/23] PCI: Support for configurable PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-09 09:10 +0100 [PATCH v3 23/23] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-09 09:10 +0100 [PATCH v3 11/23] PCI: dwc: dra7xx: Facilitate wrapper and msi interrupts to be enabled independently Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-09 09:10 +0100 [PATCH v3 10/23] dt-bindings: PCI: Add dt bindings for pci designware EP mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-09 09:10 +0100 [PATCH v3 19/23] tools: PCI: Add a userspace tool to test PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-09 09:10 +0100 [PATCH v3 13/23] dt-bindings: PCI: dra7xx: Add dt bindings for pci dra7xx EP mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-09 10:00 +0100 [PATCH v3 16/23] PCI: Add device IDs for DRA74x and DRA72x Kishon Vijay Abraham I <kishon@ti.com> - 2017-03-09 11:00 +0100
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