All of lore.kernel.org
 help / color / mirror / Atom feed
From: Johan Hovold <johan+linaro@kernel.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Andy Gross <agross@kernel.org>,
	Konrad Dybcio <konrad.dybcio@somainline.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Johan Hovold <johan+linaro@kernel.org>
Subject: [PATCH 1/3] arm64: dts: qcom: sc8280xp-crd: disallow regulator mode switches
Date: Wed,  3 Aug 2022 14:19:40 +0200	[thread overview]
Message-ID: <20220803121942.30236-2-johan+linaro@kernel.org> (raw)
In-Reply-To: <20220803121942.30236-1-johan+linaro@kernel.org>

Do not allow the RPMh regulators to switch to low-power mode with an
exception for the UFS regulators (l7c and l3d) as UFS supports an idle
mode.

This specifically avoids having regulators be but in low-power mode when
only some consumers specify loads while the actual total load really
warrants high-power mode.

Fixes: ccd3517faf18 ("arm64: dts: qcom: sc8280xp: Add reference device")
Link: https://lore.kernel.org/all/YtkrDcjTGhpaU1e0@hovoldconsulting.com
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index 45058ad0a1c8..6792e88b2c6c 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -87,7 +87,6 @@ vreg_l3b: ldo3 {
 			regulator-min-microvolt = <1200000>;
 			regulator-max-microvolt = <1200000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-			regulator-allow-set-load;
 			regulator-boot-on;
 			regulator-always-on;
 		};
@@ -97,7 +96,6 @@ vreg_l4b: ldo4 {
 			regulator-min-microvolt = <912000>;
 			regulator-max-microvolt = <912000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-			regulator-allow-set-load;
 		};
 
 		vreg_l6b: ldo6 {
@@ -105,7 +103,6 @@ vreg_l6b: ldo6 {
 			regulator-min-microvolt = <880000>;
 			regulator-max-microvolt = <880000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-			regulator-allow-set-load;
 			regulator-boot-on;
 		};
 	};
@@ -119,7 +116,6 @@ vreg_l1c: ldo1 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-			regulator-allow-set-load;
 		};
 
 		vreg_l7c: ldo7 {
@@ -135,7 +131,6 @@ vreg_l13c: ldo13 {
 			regulator-min-microvolt = <3072000>;
 			regulator-max-microvolt = <3072000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-			regulator-allow-set-load;
 		};
 	};
 
@@ -158,7 +153,6 @@ vreg_l4d: ldo4 {
 			regulator-min-microvolt = <1200000>;
 			regulator-max-microvolt = <1200000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-			regulator-allow-set-load;
 		};
 
 		vreg_l6d: ldo6 {
@@ -166,7 +160,6 @@ vreg_l6d: ldo6 {
 			regulator-min-microvolt = <880000>;
 			regulator-max-microvolt = <880000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-			regulator-allow-set-load;
 		};
 
 		vreg_l7d: ldo7 {
@@ -174,7 +167,6 @@ vreg_l7d: ldo7 {
 			regulator-min-microvolt = <3072000>;
 			regulator-max-microvolt = <3072000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-			regulator-allow-set-load;
 		};
 
 		vreg_l9d: ldo9 {
@@ -182,7 +174,6 @@ vreg_l9d: ldo9 {
 			regulator-min-microvolt = <912000>;
 			regulator-max-microvolt = <912000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
-			regulator-allow-set-load;
 		};
 	};
 };
-- 
2.35.1


  reply	other threads:[~2022-08-03 12:26 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-03 12:19 [PATCH 0/3] arm64: dts: qcom: sc8280xp: disallow regulator mode switches Johan Hovold
2022-08-03 12:19 ` Johan Hovold [this message]
2022-08-03 12:19 ` [PATCH 2/3] arm64: dts: qcom: sc8280xp-lenovo-thinkpad-x13s: " Johan Hovold
2022-08-03 12:19 ` [PATCH 3/3] arm64: dts: qcom: sa8295p-adp: " Johan Hovold
2022-08-08  8:10 ` [PATCH 0/3] arm64: dts: qcom: sc8280xp: " Manivannan Sadhasivam
2022-08-29 23:45 ` Bjorn Andersson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220803121942.30236-2-johan+linaro@kernel.org \
    --to=johan+linaro@kernel.org \
    --cc=agross@kernel.org \
    --cc=bjorn.andersson@linaro.org \
    --cc=devicetree@vger.kernel.org \
    --cc=konrad.dybcio@somainline.org \
    --cc=krzysztof.kozlowski+dt@linaro.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=manivannan.sadhasivam@linaro.org \
    --cc=robh+dt@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.