From nobody Tue Feb 10 13:18:17 2026 Received: from srv01.abscue.de (abscue.de [89.58.28.240]) (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 0E6912206A7; Tue, 7 Oct 2025 18:20:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=89.58.28.240 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759861251; cv=none; b=CC2bYpPMvE94vPg4zOycJolqnBm0eQsiuwXDXkpj8lwPryWvrroHAqSkLiqRM9qh2loeweWG2TsnzYEbcYROwA5ZbwD0VharXrWOh5LiQBwT1haY1b6uewts3si51GHyX27FZvhUgyz6zKDZut7NovP2abSsEViK8BqZysspL5g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759861251; c=relaxed/simple; bh=8/b7jwWBDbOGO7fjgsRdi05ElyTw54npNSsGTIgmHMk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FVuJc+RUDCZMDVImeF8T9t59EcJ8Li9DwIQJ9D5GL0kcFNj57UG4MQAZoAlbQ5GVEk7Y6IadAx50NIKrL4GR0rOzgDb6WTioyp4QeCEe62IXqO3qkl+RF0raxguYkVnoYj95ftoUunbXTFyhpG1wIoS9R4qKThlrJhXSq2bI4pk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=abscue.de; spf=pass smtp.mailfrom=abscue.de; arc=none smtp.client-ip=89.58.28.240 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=abscue.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=abscue.de Received: from srv01.abscue.de (localhost [127.0.0.1]) by spamfilter.srv.local (Postfix) with ESMTP id DE8A01C3AC5; Tue, 07 Oct 2025 20:15:21 +0200 (CEST) X-Spam-Level: Received: from fluffy-mammal.metal.fwg-cag.de (unknown [IPv6:2001:9e8:cdfe:cd00:889e:d706:979d:b1a]) by srv01.abscue.de (Postfix) with ESMTPSA id CA4E61C40C9; Tue, 07 Oct 2025 20:15:18 +0200 (CEST) From: =?utf-8?q?Otto_Pfl=C3=BCger?= Date: Tue, 07 Oct 2025 20:14:21 +0200 Subject: [PATCH 3/3] power: reset: sc27xx: Drop unused driver Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251007-sc27xx-mfd-poweroff-v1-3-89a2f919b731@abscue.de> References: <20251007-sc27xx-mfd-poweroff-v1-0-89a2f919b731@abscue.de> In-Reply-To: <20251007-sc27xx-mfd-poweroff-v1-0-89a2f919b731@abscue.de> To: Lee Jones , Orson Zhai , Baolin Wang , Chunyan Zhang , Mark Brown , Sebastian Reichel Cc: Rob Herring , linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-pm@vger.kernel.org, =?utf-8?q?Otto_Pfl=C3=BCger?= X-Mailer: b4 0.14.2 This driver was never actually probed because it was missing an OF match table and was not integrated into the MFD driver. Remove it now that the power off functionality is handled directly in the MFD driver. Signed-off-by: Otto Pfl=C3=BCger Acked-by: Sebastian Reichel --- drivers/power/reset/Kconfig | 9 ---- drivers/power/reset/Makefile | 1 - drivers/power/reset/sc27xx-poweroff.c | 79 -------------------------------= ---- 3 files changed, 89 deletions(-) diff --git a/drivers/power/reset/Kconfig b/drivers/power/reset/Kconfig index 8248895ca90389c1db33c7b09e5f5925a9034cee..c4a28f6f04f6be13d20ce2b0842= 7fd1679b1df5a 100644 --- a/drivers/power/reset/Kconfig +++ b/drivers/power/reset/Kconfig @@ -320,15 +320,6 @@ config SYSCON_REBOOT_MODE register, then the bootloader can read it to take different action according to the mode. =20 -config POWER_RESET_SC27XX - tristate "Spreadtrum SC27xx PMIC power-off driver" - depends on MFD_SC27XX_PMIC || COMPILE_TEST - help - This driver supports powering off a system through - Spreadtrum SC27xx series PMICs. The SC27xx series - PMICs includes the SC2720, SC2721, SC2723, SC2730 - and SC2731 chips. - config NVMEM_REBOOT_MODE tristate "Generic NVMEM reboot mode driver" depends on OF diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile index 51da87e05ce76bc608d961485063555c3ba5d96c..cabaa0de2de68794bea5f952385= 5bb9ef0083ef0 100644 --- a/drivers/power/reset/Makefile +++ b/drivers/power/reset/Makefile @@ -37,6 +37,5 @@ obj-$(CONFIG_POWER_RESET_SYSCON_POWEROFF) +=3D syscon-pow= eroff.o obj-$(CONFIG_POWER_RESET_RMOBILE) +=3D rmobile-reset.o obj-$(CONFIG_REBOOT_MODE) +=3D reboot-mode.o obj-$(CONFIG_SYSCON_REBOOT_MODE) +=3D syscon-reboot-mode.o -obj-$(CONFIG_POWER_RESET_SC27XX) +=3D sc27xx-poweroff.o obj-$(CONFIG_NVMEM_REBOOT_MODE) +=3D nvmem-reboot-mode.o obj-$(CONFIG_POWER_MLXBF) +=3D pwr-mlxbf.o diff --git a/drivers/power/reset/sc27xx-poweroff.c b/drivers/power/reset/sc= 27xx-poweroff.c deleted file mode 100644 index 90287c31992c4889f9241e82a21a1949ecca7702..000000000000000000000000000= 0000000000000 --- a/drivers/power/reset/sc27xx-poweroff.c +++ /dev/null @@ -1,79 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2018 Spreadtrum Communications Inc. - * Copyright (C) 2018 Linaro Ltd. - */ - -#include -#include -#include -#include -#include -#include -#include - -#define SC27XX_PWR_PD_HW 0xc2c -#define SC27XX_PWR_OFF_EN BIT(0) -#define SC27XX_SLP_CTRL 0xdf0 -#define SC27XX_LDO_XTL_EN BIT(3) - -static struct regmap *regmap; - -/* - * On Spreadtrum platform, we need power off system through external SC27xx - * series PMICs, and it is one similar SPI bus mapped by regmap to access = PMIC, - * which is not fast io access. - * - * So before stopping other cores, we need release other cores' resource by - * taking cpus down to avoid racing regmap or spi mutex lock when poweroff - * system through PMIC. - */ -static void sc27xx_poweroff_shutdown(void) -{ -#ifdef CONFIG_HOTPLUG_CPU - int cpu; - - for_each_online_cpu(cpu) { - if (cpu !=3D smp_processor_id()) - remove_cpu(cpu); - } -#endif -} - -static struct syscore_ops poweroff_syscore_ops =3D { - .shutdown =3D sc27xx_poweroff_shutdown, -}; - -static void sc27xx_poweroff_do_poweroff(void) -{ - /* Disable the external subsys connection's power firstly */ - regmap_write(regmap, SC27XX_SLP_CTRL, SC27XX_LDO_XTL_EN); - - regmap_write(regmap, SC27XX_PWR_PD_HW, SC27XX_PWR_OFF_EN); -} - -static int sc27xx_poweroff_probe(struct platform_device *pdev) -{ - if (regmap) - return -EINVAL; - - regmap =3D dev_get_regmap(pdev->dev.parent, NULL); - if (!regmap) - return -ENODEV; - - pm_power_off =3D sc27xx_poweroff_do_poweroff; - register_syscore_ops(&poweroff_syscore_ops); - return 0; -} - -static struct platform_driver sc27xx_poweroff_driver =3D { - .probe =3D sc27xx_poweroff_probe, - .driver =3D { - .name =3D "sc27xx-poweroff", - }, -}; -module_platform_driver(sc27xx_poweroff_driver); - -MODULE_DESCRIPTION("Power off driver for SC27XX PMIC Device"); -MODULE_AUTHOR("Baolin Wang "); -MODULE_LICENSE("GPL v2"); --=20 2.50.0