ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP
authorKishon Vijay Abraham I <kishon@ti.com>
Mon, 27 Mar 2017 09:45:20 +0000 (15:15 +0530)
committerBjorn Helgaas <bhelgaas@google.com>
Fri, 28 Apr 2017 15:23:20 +0000 (10:23 -0500)
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>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
arch/arm/mach-omap2/clockdomains7xx_data.c

index 6c679659cda5d502d97f31cf53fe8abce82ae22f..67ebff829cf258a3ec457d3b62e01a522f0d6a28 100644 (file)
@@ -524,7 +524,7 @@ static struct clockdomain pcie_7xx_clkdm = {
        .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 = {