* [PATCH] arm64: dts: qcom: add IPA qcom,qmp property
@ 2022-04-21 22:00 Alex Elder
2022-04-26 6:40 ` Greg KH
0 siblings, 1 reply; 3+ messages in thread
From: Alex Elder @ 2022-04-21 22:00 UTC (permalink / raw)
To: stable
Cc: agross, bjorn.andersson, robh+dt, davem, elder, linux-arm-msm,
devicetree, linux-kernel
commit 73419e4d2fd1b838fcb1df6a978d67b3ae1c5c01 upstream.
At least three platforms require the "qcom,qmp" property to be
specified, so the IPA driver can request register retention across
power collapse. Update DTS files accordingly.
Cc: <stable@vger.kernel.org> # 5.15.x
Fixes: 1aac309d3207 ("net: ipa: use autosuspend")
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220201140723.467431-1-elder@linaro.org
---
Enable this feature, now that 8ff8bdb8c92d6 ("net: ipa: request IPA
register values be retained") has been accepted into linux-5.15.y.
arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++
arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 ++
arch/arm64/boot/dts/qcom/sm8350.dtsi | 2 ++
3 files changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 495c15deacb7d..de86ae3a7fd27 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -1460,6 +1460,8 @@ ipa: ipa@1e40000 {
"imem",
"config";
+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 692973c4f4344..b795a9993cc1b 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -615,6 +615,8 @@ ipa: ipa@1e40000 {
interconnect-names = "memory",
"config";
+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index 3d32d55818168..9ffb7355850c7 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -736,6 +736,8 @@ ipa: ipa@1e40000 {
interconnect-names = "memory",
"config";
+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
--
2.32.0
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] arm64: dts: qcom: add IPA qcom,qmp property
2022-04-21 22:00 [PATCH] arm64: dts: qcom: add IPA qcom,qmp property Alex Elder
@ 2022-04-26 6:40 ` Greg KH
0 siblings, 0 replies; 3+ messages in thread
From: Greg KH @ 2022-04-26 6:40 UTC (permalink / raw)
To: Alex Elder
Cc: stable, agross, bjorn.andersson, robh+dt, davem, linux-arm-msm,
devicetree, linux-kernel
On Thu, Apr 21, 2022 at 05:00:11PM -0500, Alex Elder wrote:
> commit 73419e4d2fd1b838fcb1df6a978d67b3ae1c5c01 upstream.
>
> At least three platforms require the "qcom,qmp" property to be
> specified, so the IPA driver can request register retention across
> power collapse. Update DTS files accordingly.
>
> Cc: <stable@vger.kernel.org> # 5.15.x
> Fixes: 1aac309d3207 ("net: ipa: use autosuspend")
> Signed-off-by: Alex Elder <elder@linaro.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> Link: https://lore.kernel.org/r/20220201140723.467431-1-elder@linaro.org
> ---
> Enable this feature, now that 8ff8bdb8c92d6 ("net: ipa: request IPA
> register values be retained") has been accepted into linux-5.15.y.
Both now queued up, thanks.
greg k-h
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH] arm64: dts: qcom: add IPA qcom,qmp property
@ 2022-04-21 21:59 Alex Elder
0 siblings, 0 replies; 3+ messages in thread
From: Alex Elder @ 2022-04-21 21:59 UTC (permalink / raw)
To: stable
Cc: agross, bjorn.andersson, robh+dt, davem, elder, linux-arm-msm,
devicetree, linux-kernel
commit 73419e4d2fd1b838fcb1df6a978d67b3ae1c5c01 upstream.
At least three platforms require the "qcom,qmp" property to be
specified, so the IPA driver can request register retention across
power collapse. Update DTS files accordingly.
Cc: <stable@vger.kernel.org> # 5.17.x
Fixes: 1aac309d3207 ("net: ipa: use autosuspend")
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220201140723.467431-1-elder@linaro.org
---
The code for this feature was included in the v5.17 cycle, but the
DTS file updates were not accepted until v5.18-rc1.
arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++
arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 ++
arch/arm64/boot/dts/qcom/sm8350.dtsi | 2 ++
3 files changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 2151cd8c8c7ab..e1c46b80f14a0 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -1459,6 +1459,8 @@ ipa: ipa@1e40000 {
"imem",
"config";
+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index eab7a85050531..d66865131ef90 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -1714,6 +1714,8 @@ ipa: ipa@1e40000 {
interconnect-names = "memory",
"config";
+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index 765d018e6306c..0bde6bbb3bc74 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -1443,6 +1443,8 @@ ipa: ipa@1e40000 {
interconnect-names = "memory",
"config";
+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
--
2.32.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
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