From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D2BB15475F; Sat, 12 Sep 2026 14:43:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789224184; cv=none; b=mc++V1TzXSCqJj72uBqF1zoNeQUDVSQu7pJEbMH4pc61bfEXECJ9iEU98N3p1GU7LfMjNP7nLE/lA/c0YnHL4AsQQG1WcUM6uk2gASg+QI35J7Y6H8OUhT21gHEYw/53YMkf+g2UWeCQarz3zfrItJh+gOlon6k2wXaipqQE5Jc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789224184; c=relaxed/simple; bh=cLOzghHp++lfjFBHxAnjliEWwJKqXmaOy8V+2WcznXg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EDttck9RUbg9Io1GH2vc5jDsiae7F43QJ09qSt1E06UXz/REThLqsy0mTnNZJi6Zvq0JhCHMljvABB1Q1Lv5a8Wzf5wu7F0ZaW7pfKR9Kr0tnEAnZb32R3Z3uMsIA8+yF8xJLyXmoQacXhPO8E3HYEtIrJdtVeIxcgwJfN17mZI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ULGftoJD; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ULGftoJD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 730E21F000FF; Sat, 12 Sep 2026 14:43:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789224182; bh=HU67BgFJeNgsOapJ0xDHFPUzS6vFnSLPgMRyZmcCy2s=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ULGftoJDPra/2t8P007gHygMa7VnOfw/A09NRURkiukdtu7hcTboK4bcAoHBrCamW IPjROYzDyBZVkvEoD5TC4GFYz5QrQ0F5I3p+xXYVhio5NGBXunrRpF3JI31NEWfiMB BEvx5Yddtvq1jem/t6QAsuMZ615Kus+oo1xm3ie0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Konrad Dybcio , Bjorn Andersson , Sasha Levin Subject: [PATCH 6.6 0940/1424] arm64: dts: qcom: msm8998: Dont pull-up I2C pins by default in sleep Date: Sat, 12 Sep 2026 08:56:12 +0200 Message-ID: <20260912065628.371965217@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065607.279695368@linuxfoundation.org> References: <20260912065607.279695368@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Konrad Dybcio [ Upstream commit 58ce9a2b9099bb26aed55d4e350c32af94930532 ] When the I2C controller is disabled, no communication is expected to take place. Without traffic on the bus, the pull-up is unnecessary. Both the vendor kernel for this platform and DTs of other SoCs in upstream concur this logic. Change the default and clean up now-NOP overrides. Fixes: 0fee55fc0de7 ("arm64: dts: qcom: msm8998: Add I2C pinctrl and fix BLSP2_I2C naming") Signed-off-by: Konrad Dybcio Link: https://lore.kernel.org/r/20260717-topic-june26_dts_fixes-v2-1-797cd46e5d9f@oss.qualcomm.com Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- .../dts/qcom/msm8998-sony-xperia-yoshino.dtsi | 4 ---- .../boot/dts/qcom/msm8998-xiaomi-sagit.dts | 5 ---- arch/arm64/boot/dts/qcom/msm8998.dtsi | 24 +++++++++---------- 3 files changed, 12 insertions(+), 21 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi index 876c6921ddf07..7604b4725de63 100644 --- a/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8998-sony-xperia-yoshino.dtsi @@ -224,10 +224,6 @@ rmi4-f11@11 { }; }; -&blsp1_i2c5_sleep { - bias-disable; -}; - &blsp1_uart3 { status = "okay"; diff --git a/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dts b/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dts index 437b30cc8bdc6..7eb8456aed1b2 100644 --- a/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dts +++ b/arch/arm64/boot/dts/qcom/msm8998-xiaomi-sagit.dts @@ -217,11 +217,6 @@ rmi4-f1a@1a { }; }; -&blsp1_i2c5_sleep { - /delete-property/ bias-pull-up; - bias-disable; -}; - &blsp1_uart3 { status = "okay"; diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi index 7fcc15b6946ae..c0dbc4f05b907 100644 --- a/arch/arm64/boot/dts/qcom/msm8998.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi @@ -1183,7 +1183,7 @@ blsp1_i2c1_sleep: blsp1-i2c1-sleep-state-state { pins = "gpio2", "gpio3"; function = "blsp_i2c1"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp1_i2c2_default: blsp1-i2c2-default-state { @@ -1197,7 +1197,7 @@ blsp1_i2c2_sleep: blsp1-i2c2-sleep-state-state { pins = "gpio32", "gpio33"; function = "blsp_i2c2"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp1_i2c3_default: blsp1-i2c3-default-state { @@ -1211,7 +1211,7 @@ blsp1_i2c3_sleep: blsp1-i2c3-sleep-state { pins = "gpio47", "gpio48"; function = "blsp_i2c3"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp1_i2c4_default: blsp1-i2c4-default-state { @@ -1225,7 +1225,7 @@ blsp1_i2c4_sleep: blsp1-i2c4-sleep-state { pins = "gpio10", "gpio11"; function = "blsp_i2c4"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp1_i2c5_default: blsp1-i2c5-default-state { @@ -1239,7 +1239,7 @@ blsp1_i2c5_sleep: blsp1-i2c5-sleep-state { pins = "gpio87", "gpio88"; function = "blsp_i2c5"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp1_i2c6_default: blsp1-i2c6-default-state { @@ -1253,7 +1253,7 @@ blsp1_i2c6_sleep: blsp1-i2c6-sleep-state { pins = "gpio43", "gpio44"; function = "blsp_i2c6"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp1_spi_b_default: blsp1-spi-b-default-state { @@ -1318,7 +1318,7 @@ blsp2_i2c1_sleep: blsp2-i2c1-sleep-state { pins = "gpio55", "gpio56"; function = "blsp_i2c7"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp2_i2c2_default: blsp2-i2c2-default-state { @@ -1332,7 +1332,7 @@ blsp2_i2c2_sleep: blsp2-i2c2-sleep-state { pins = "gpio6", "gpio7"; function = "blsp_i2c8"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp2_i2c3_default: blsp2-i2c3-default-state { @@ -1346,7 +1346,7 @@ blsp2_i2c3_sleep: blsp2-i2c3-sleep-state { pins = "gpio51", "gpio52"; function = "blsp_i2c9"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp2_i2c4_default: blsp2-i2c4-default-state { @@ -1360,7 +1360,7 @@ blsp2_i2c4_sleep: blsp2-i2c4-sleep-state { pins = "gpio67", "gpio68"; function = "blsp_i2c10"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp2_i2c5_default: blsp2-i2c5-default-state { @@ -1374,7 +1374,7 @@ blsp2_i2c5_sleep: blsp2-i2c5-sleep-state { pins = "gpio60", "gpio61"; function = "blsp_i2c11"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp2_i2c6_default: blsp2-i2c6-default-state { @@ -1388,7 +1388,7 @@ blsp2_i2c6_sleep: blsp2-i2c6-sleep-state { pins = "gpio83", "gpio84"; function = "blsp_i2c12"; drive-strength = <2>; - bias-pull-up; + bias-disable; }; blsp2_spi1_default: blsp2-spi1-default-state { -- 2.53.0