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 544C02FDC30; Sat, 12 Sep 2026 14:16:09 +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=1789222570; cv=none; b=sLWiCsoBdOs1F3M0djuNugRVu32jofp1i2xZfl9njhOAWqyhclfKA5WDqY8C/G+Qkm4eNYF0/FkYp1sxmNqmYA/AV/M3H85cjICwebiYagbhLuNyF4cGHDh22fftpLyoupdP0ND64B//RdAnymZ5fljntLnBm+L+V1m+S9Y+ccg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789222570; c=relaxed/simple; bh=c202RCH+i4XVdyMQ5By2kqS51YSOxNrL2ZHwScqzPNM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AllUDdz8aDvwvcP5hZaiEmtuUqxnHEahbaRcd06z2Lzv/rkywRLE+ZqhI0i1t5Ofb7LIAz3wsV8vqxzmXsTJ32BmrImp/2l25QM/9ugc2t9ATObDYWLaQd9EDF6HZ4rw/8oXBY5Wns6aGt3dyfJmQbqVYDgeazKP7DKZI9qLd/w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=dytDBe5o; 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="dytDBe5o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 268521F000FF; Sat, 12 Sep 2026 14:16:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789222569; bh=hkDVSZocgex6jP0k12wsWMz+l/FICnVeUnOfRhgSn98=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=dytDBe5oMvz1kY8olqn3rWOC5+BfpsO0q0eCcIkb/RBHu7+lrHVUpvV/zBCv6/eh2 eu5lCTQu4RTpFD6ASu3m/C83wVNMM1q+TX7tR1+BrJ72GfmPUPk2RvFHO5c8N7Wp6R Sat9uk0/CgnRnwFJ6ot0MJ6YZFhW5hJ5uzP7+tdM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Christophe JAILLET , Mark Brown , Sasha Levin Subject: [PATCH 6.6 0612/1424] regulator: tps6594-regulator: Constify struct tps6594_regulator_irq_type Date: Sat, 12 Sep 2026 08:50:44 +0200 Message-ID: <20260912065620.996821553@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: Christophe JAILLET [ Upstream commit c266209eaef4fef863363557817f7d6a68314321 ] 'struct tps6594_regulator_irq_type' are not modified in this driver. Constifying this structure moves some data to a read-only section, so increases overall security. On a x86_64, with allmodconfig, as an example: Before: ====== text data bss dec hex filename 25645 14480 64 40189 9cfd drivers/regulator/tps6594-regulator.o After: ===== text data bss dec hex filename 27949 12176 64 40189 9cfd drivers/regulator/tps6594-regulator.o Signed-off-by: Christophe JAILLET Link: https://patch.msgid.link/1446fb1938f3f38115be3e53f5dda3c8bb0ba5a1.1748103005.git.christophe.jaillet@wanadoo.fr Signed-off-by: Mark Brown Stable-dep-of: 7fd28093b3ef ("regulator: tps6594: Fix device node reference leaks in multiphase loop") Signed-off-by: Sasha Levin --- drivers/regulator/tps6594-regulator.c | 60 +++++++++++++-------------- 1 file changed, 30 insertions(+), 30 deletions(-) diff --git a/drivers/regulator/tps6594-regulator.c b/drivers/regulator/tps6594-regulator.c index ac53792e3fede..0193efb5dffa9 100644 --- a/drivers/regulator/tps6594-regulator.c +++ b/drivers/regulator/tps6594-regulator.c @@ -56,7 +56,7 @@ struct tps6594_regulator_irq_type { unsigned long event; }; -static struct tps6594_regulator_irq_type tps6594_ext_regulator_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ext_regulator_irq_types[] = { { TPS6594_IRQ_NAME_VCCA_OV, "VCCA", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_VCCA_UV, "VCCA", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_VMON1_OV, "VMON1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, @@ -69,7 +69,7 @@ static struct tps6594_regulator_irq_type tps6594_ext_regulator_irq_types[] = { REGULATOR_EVENT_OVER_VOLTAGE_WARN }, }; -static struct tps6594_regulator_irq_type tps65224_ext_regulator_irq_types[] = { +static const struct tps6594_regulator_irq_type tps65224_ext_regulator_irq_types[] = { { TPS65224_IRQ_NAME_VCCA_UVOV, "VCCA", "voltage out of range", REGULATOR_EVENT_REGULATION_OUT }, { TPS65224_IRQ_NAME_VMON1_UVOV, "VMON1", "voltage out of range", @@ -80,13 +80,13 @@ static struct tps6594_regulator_irq_type tps65224_ext_regulator_irq_types[] = { struct tps6594_regulator_irq_data { struct device *dev; - struct tps6594_regulator_irq_type *type; + const struct tps6594_regulator_irq_type *type; struct regulator_dev *rdev; }; struct tps6594_ext_regulator_irq_data { struct device *dev; - struct tps6594_regulator_irq_type *type; + const struct tps6594_regulator_irq_type *type; }; #define TPS6594_REGULATOR(_name, _of, _id, _type, _ops, _n, _vr, _vm, _er, \ @@ -262,7 +262,7 @@ static const struct regulator_desc tps65224_buck_regs[] = { 4, 0, 0, NULL, 0, 0), }; -static struct tps6594_regulator_irq_type tps6594_buck1_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_buck1_irq_types[] = { { TPS6594_IRQ_NAME_BUCK1_OV, "BUCK1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK1_UV, "BUCK1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK1_SC, "BUCK1", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -270,7 +270,7 @@ static struct tps6594_regulator_irq_type tps6594_buck1_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_buck2_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_buck2_irq_types[] = { { TPS6594_IRQ_NAME_BUCK2_OV, "BUCK2", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK2_UV, "BUCK2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK2_SC, "BUCK2", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -278,7 +278,7 @@ static struct tps6594_regulator_irq_type tps6594_buck2_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_buck3_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_buck3_irq_types[] = { { TPS6594_IRQ_NAME_BUCK3_OV, "BUCK3", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK3_UV, "BUCK3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK3_SC, "BUCK3", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -286,7 +286,7 @@ static struct tps6594_regulator_irq_type tps6594_buck3_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_buck4_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_buck4_irq_types[] = { { TPS6594_IRQ_NAME_BUCK4_OV, "BUCK4", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK4_UV, "BUCK4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK4_SC, "BUCK4", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -294,7 +294,7 @@ static struct tps6594_regulator_irq_type tps6594_buck4_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_buck5_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_buck5_irq_types[] = { { TPS6594_IRQ_NAME_BUCK5_OV, "BUCK5", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_BUCK5_UV, "BUCK5", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_BUCK5_SC, "BUCK5", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -302,7 +302,7 @@ static struct tps6594_regulator_irq_type tps6594_buck5_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_ldo1_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ldo1_irq_types[] = { { TPS6594_IRQ_NAME_LDO1_OV, "LDO1", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO1_UV, "LDO1", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO1_SC, "LDO1", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -310,7 +310,7 @@ static struct tps6594_regulator_irq_type tps6594_ldo1_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_ldo2_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ldo2_irq_types[] = { { TPS6594_IRQ_NAME_LDO2_OV, "LDO2", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO2_UV, "LDO2", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO2_SC, "LDO2", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -318,7 +318,7 @@ static struct tps6594_regulator_irq_type tps6594_ldo2_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_ldo3_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ldo3_irq_types[] = { { TPS6594_IRQ_NAME_LDO3_OV, "LDO3", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO3_UV, "LDO3", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO3_SC, "LDO3", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -326,7 +326,7 @@ static struct tps6594_regulator_irq_type tps6594_ldo3_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps6594_ldo4_irq_types[] = { +static const struct tps6594_regulator_irq_type tps6594_ldo4_irq_types[] = { { TPS6594_IRQ_NAME_LDO4_OV, "LDO4", "overvoltage", REGULATOR_EVENT_OVER_VOLTAGE_WARN }, { TPS6594_IRQ_NAME_LDO4_UV, "LDO4", "undervoltage", REGULATOR_EVENT_UNDER_VOLTAGE }, { TPS6594_IRQ_NAME_LDO4_SC, "LDO4", "short circuit", REGULATOR_EVENT_REGULATION_OUT }, @@ -334,42 +334,42 @@ static struct tps6594_regulator_irq_type tps6594_ldo4_irq_types[] = { REGULATOR_EVENT_OVER_CURRENT }, }; -static struct tps6594_regulator_irq_type tps65224_buck1_irq_types[] = { +static const struct tps6594_regulator_irq_type tps65224_buck1_irq_types[] = { { TPS65224_IRQ_NAME_BUCK1_UVOV, "BUCK1", "voltage out of range", REGULATOR_EVENT_REGULATION_OUT }, }; -static struct tps6594_regulator_irq_type tps65224_buck2_irq_types[] = { +static const struct tps6594_regulator_irq_type tps65224_buck2_irq_types[] = { { TPS65224_IRQ_NAME_BUCK2_UVOV, "BUCK2", "voltage out of range", REGULATOR_EVENT_REGULATION_OUT }, }; -static struct tps6594_regulator_irq_type tps65224_buck3_irq_types[] = { +static const struct tps6594_regulator_irq_type tps65224_buck3_irq_types[] = { { TPS65224_IRQ_NAME_BUCK3_UVOV, "BUCK3", "voltage out of range", REGULATOR_EVENT_REGULATION_OUT }, }; -static struct tps6594_regulator_irq_type tps65224_buck4_irq_types[] = { +static const struct tps6594_regulator_irq_type tps65224_buck4_irq_types[] = { { TPS65224_IRQ_NAME_BUCK4_UVOV, "BUCK4", "voltage out of range", REGULATOR_EVENT_REGULATION_OUT }, }; -static struct tps6594_regulator_irq_type tps65224_ldo1_irq_types[] = { +static const struct tps6594_regulator_irq_type tps65224_ldo1_irq_types[] = { { TPS65224_IRQ_NAME_LDO1_UVOV, "LDO1", "voltage out of range", REGULATOR_EVENT_REGULATION_OUT }, }; -static struct tps6594_regulator_irq_type tps65224_ldo2_irq_types[] = { +static const struct tps6594_regulator_irq_type tps65224_ldo2_irq_types[] = { { TPS65224_IRQ_NAME_LDO2_UVOV, "LDO2", "voltage out of range", REGULATOR_EVENT_REGULATION_OUT }, }; -static struct tps6594_regulator_irq_type tps65224_ldo3_irq_types[] = { +static const struct tps6594_regulator_irq_type tps65224_ldo3_irq_types[] = { { TPS65224_IRQ_NAME_LDO3_UVOV, "LDO3", "voltage out of range", REGULATOR_EVENT_REGULATION_OUT }, }; -static struct tps6594_regulator_irq_type *tps6594_bucks_irq_types[] = { +static const struct tps6594_regulator_irq_type *tps6594_bucks_irq_types[] = { tps6594_buck1_irq_types, tps6594_buck2_irq_types, tps6594_buck3_irq_types, @@ -377,21 +377,21 @@ static struct tps6594_regulator_irq_type *tps6594_bucks_irq_types[] = { tps6594_buck5_irq_types, }; -static struct tps6594_regulator_irq_type *tps6594_ldos_irq_types[] = { +static const struct tps6594_regulator_irq_type *tps6594_ldos_irq_types[] = { tps6594_ldo1_irq_types, tps6594_ldo2_irq_types, tps6594_ldo3_irq_types, tps6594_ldo4_irq_types, }; -static struct tps6594_regulator_irq_type *tps65224_bucks_irq_types[] = { +static const struct tps6594_regulator_irq_type *tps65224_bucks_irq_types[] = { tps65224_buck1_irq_types, tps65224_buck2_irq_types, tps65224_buck3_irq_types, tps65224_buck4_irq_types, }; -static struct tps6594_regulator_irq_type *tps65224_ldos_irq_types[] = { +static const struct tps6594_regulator_irq_type *tps65224_ldos_irq_types[] = { tps65224_ldo1_irq_types, tps65224_ldo2_irq_types, tps65224_ldo3_irq_types, @@ -516,11 +516,11 @@ static irqreturn_t tps6594_regulator_irq_handler(int irq, void *data) static int tps6594_request_reg_irqs(struct platform_device *pdev, struct regulator_dev *rdev, struct tps6594_regulator_irq_data *irq_data, - struct tps6594_regulator_irq_type *regs_irq_types, + const struct tps6594_regulator_irq_type *regs_irq_types, size_t interrupt_cnt, int *irq_idx) { - struct tps6594_regulator_irq_type *irq_type; + const struct tps6594_regulator_irq_type *irq_type; struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); size_t j; int irq; @@ -558,8 +558,8 @@ static int tps6594_regulator_probe(struct platform_device *pdev) struct regulator_config config = {}; struct tps6594_regulator_irq_data *irq_data; struct tps6594_ext_regulator_irq_data *irq_ext_reg_data; - struct tps6594_regulator_irq_type *irq_type; - struct tps6594_regulator_irq_type *irq_types; + const struct tps6594_regulator_irq_type *irq_type; + const struct tps6594_regulator_irq_type *irq_types; bool buck_configured[BUCK_NB] = { false }; bool buck_multi[MULTI_PHASE_NB] = { false }; @@ -573,9 +573,9 @@ static int tps6594_regulator_probe(struct platform_device *pdev) unsigned int irq_count; unsigned int multi_phase_cnt; size_t reg_irq_nb; - struct tps6594_regulator_irq_type **bucks_irq_types; + const struct tps6594_regulator_irq_type **bucks_irq_types; const struct regulator_desc *multi_regs; - struct tps6594_regulator_irq_type **ldos_irq_types; + const struct tps6594_regulator_irq_type **ldos_irq_types; const struct regulator_desc *ldo_regs; size_t interrupt_count; -- 2.53.0