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[PATCH 36/37] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP

From Kishon Vijay Abraham I <kishon@ti.com>
Newsgroups linux.kernel
Subject [PATCH 36/37] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP
Date 2017-01-12 11:40 +0100
Message-ID <sYKXx-2QD-53@gated-at.bofh.it> (permalink)
References <sYKNQ-2Nu-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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.

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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Thread

[PATCH 00/37] PCI: Support for configurable PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:30 +0100
  [PATCH 23/37] PCI: dwc: Add *ops* to start and stop pcie link Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:30 +0100
  [PATCH 26/37] PCI: dwc: dra7xx: Facilitate wrapper and msi interrupts to be enabled independently Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 32/37] Documentation: misc-devices: Add Documentation for pci-endpoint-test driver Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 09/37] PCI: dwc: designware: Parse *num-lanes* property in dw_pcie_setup_rc Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
    Re: [PATCH 09/37] PCI: dwc: designware: Parse *num-lanes* property in  dw_pcie_setup_rc Joao Pinto <Joao.Pinto@synopsys.com> - 2017-01-13 18:30 +0100
      Re: [PATCH 09/37] PCI: dwc: designware: Parse *num-lanes* property in  dw_pcie_setup_rc Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-16 06:30 +0100
        Re: [PATCH 09/37] PCI: dwc: designware: Parse *num-lanes* property in  dw_pcie_setup_rc Joao Pinto <Joao.Pinto@synopsys.com> - 2017-01-16 11:30 +0100
  [PATCH 29/37] PCI: dwc: dra7xx: Workaround for errata id i870 Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 07/37] PCI: dwc: designware: Get device pointer at the start of dw_pcie_host_init Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
    Re: [PATCH 07/37] PCI: dwc: designware: Get device pointer at the  start of dw_pcie_host_init Joao Pinto <Joao.Pinto@synopsys.com> - 2017-01-13 18:30 +0100
  [PATCH 20/37] Documentation: PCI: Add binding documentation for pci-test endpoint function Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 33/37] tools: PCI: Add a userspace tool to test PCI endpoint Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 35/37] MAINTAINERS: add PCI EP maintainer Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 37/37] ARM: dts: DRA7: Add pcie1 dt node for EP mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 30/37] dt-bindings: PCI: dra7xx: Add dt bindings to enable legacy mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 17/37] Documentation: PCI: Guide to use pci endpoint configfs Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 34/37] tools: PCI: Add sample test script to invoke pcitest Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 22/37] PCI: dwc: Modify dbi accessors to access data of 4/2/1 bytes Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 15/37] Documentation: PCI: Guide to use PCI Endpoint Core Layer Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 36/37] ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
    Re: [PATCH 36/37] ARM: DRA7: clockdomain: Change the CLKTRCTRL of  CM_PCIE_CLKSTCTRL to SW_WKUP Tony Lindgren <tony@atomide.com> - 2017-01-13 18:20 +0100
      Re: [PATCH 36/37] ARM: DRA7: clockdomain: Change the CLKTRCTRL of  CM_PCIE_CLKSTCTRL to SW_WKUP Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-16 07:10 +0100
  [PATCH 05/37] PCI: dwc: Add platform_set_drvdata Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
    Re: [PATCH 05/37] PCI: dwc: Add platform_set_drvdata Joao Pinto <Joao.Pinto@synopsys.com> - 2017-01-13 18:20 +0100
  [PATCH 19/37] PCI: endpoint: functions: Add an EP function to test PCI Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 18/37] Documentation: PCI: Add specification for the *pci test* function device Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 25/37] dt-bindings: PCI: Add dt bindings for pci designware EP mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 27/37] PCI: dwc: dra7xx: Add EP mode support Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 28/37] dt-bindings: PCI: dra7xx: Add dt bindings for pci dra7xx EP mode Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 31/37] misc: Add host side pci driver for pci test function device Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 24/37] PCI: dwc: designware: Add EP mode support Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 21/37] PCI: dwc: Modify dbi accessors to take dbi_base as argument Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:40 +0100
  [PATCH 10/37] PCI: dwc: designware: Fix style errors in pcie-designware.c Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:50 +0100
    Re: [PATCH 10/37] PCI: dwc: designware: Fix style errors in  pcie-designware.c Joao Pinto <Joao.Pinto@synopsys.com> - 2017-01-13 17:50 +0100
  [PATCH 11/37] PCI: dwc: Split pcie-designware.c into host and core  files Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:50 +0100
    Re: [PATCH 11/37] PCI: dwc: Split pcie-designware.c into host and  core files Joao Pinto <Joao.Pinto@synopsys.com> - 2017-01-13 18:00 +0100
      Re: [PATCH 11/37] PCI: dwc: Split pcie-designware.c into host and  core files Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-16 06:30 +0100
        Re: [PATCH 11/37] PCI: dwc: Split pcie-designware.c into host and  core files Joao Pinto <Joao.Pinto@synopsys.com> - 2017-01-16 11:30 +0100
          Re: [PATCH 11/37] PCI: dwc: Split pcie-designware.c into host and  core files Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-16 12:40 +0100
            Re: [PATCH 11/37] PCI: dwc: Split pcie-designware.c into host and  core files Joao Pinto <Joao.Pinto@synopsys.com> - 2017-01-16 14:40 +0100
  [PATCH 03/37] PCI: dwc: dra7xx: Populate cpu_addr_fixup ops Kishon Vijay Abraham I <kishon@ti.com> - 2017-01-12 11:50 +0100

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