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ARM: dts: msm: PCIe SM related power control override

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We need to override the PCIe SM PWR_CTRL and PWR_CTRL_MASK
registers so that CXPC can happen when pcie driver is not probed.

Without this change, CXPC will be blocked when the pcie driver is
not probed as there will be no notification from PCIe SM entity to
allow CXPC. Once we these registers are written 0x1, no one will
wait for PCIe SM to allow CXPC.

Change-Id: I8d1542deb4fcc10849c848aa73718a47af556719
Signed-off-by: Prudhvi Yarlagadda <quic_pyarlaga@quicinc.com>
This commit is contained in:
Prudhvi Yarlagadda
2024-01-24 11:51:03 -08:00
parent fd00509225
commit af53bd39cf
1 changed files with 1 additions and 1 deletions
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qcom/sun.dtsi
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@@ -35,7 +35,7 @@
chosen: chosen { chosen: chosen {
bootargs = "log_buf_len=512K loglevel=6 cpufreq.default_governor=performance sysctl.kernel.sched_pelt_multiplier=4 no-steal-acc kpti=0 swiotlb=0 loop.max_part=7 irqaffinity=0-1 pcie_ports=compat mem-offline.bypass_send_msg=1 printk.console_no_auto_verbose=1 kasan=off rcupdate.rcu_expedited=1 rcu_nocbs=0-7 kernel.panic_on_rcu_stall=1 fw_devlink.strict=1 can.stats_timer=0"; bootargs = "log_buf_len=512K loglevel=6 cpufreq.default_governor=performance sysctl.kernel.sched_pelt_multiplier=4 no-steal-acc kpti=0 swiotlb=0 loop.max_part=7 irqaffinity=0-1 pcie_ports=compat mem-offline.bypass_send_msg=1 printk.console_no_auto_verbose=1 kasan=off rcupdate.rcu_expedited=1 rcu_nocbs=0-7 kernel.panic_on_rcu_stall=1 fw_devlink.strict=1 can.stats_timer=0 pci-msm-drv.pcie_sm_regs=0x1D07000,0x1040,0x1048,0x3000,0x1";
stdout-path = "/soc/qcom,qupv3_1_geni_se@ac0000/qcom,qup_uart@a9c000:115200n8"; stdout-path = "/soc/qcom,qupv3_1_geni_se@ac0000/qcom,qup_uart@a9c000:115200n8";
}; };