diff options
Diffstat (limited to 'drivers/reset')
-rw-r--r-- | drivers/reset/Kconfig | 6 | ||||
-rw-r--r-- | drivers/reset/Makefile | 1 | ||||
-rw-r--r-- | drivers/reset/reset-ath79.c | 4 | ||||
-rw-r--r-- | drivers/reset/reset-axs10x.c | 4 | ||||
-rw-r--r-- | drivers/reset/reset-brcmstb-rescal.c | 4 | ||||
-rw-r--r-- | drivers/reset/reset-hsdk.c | 7 | ||||
-rw-r--r-- | drivers/reset/reset-lpc18xx.c | 4 | ||||
-rw-r--r-- | drivers/reset/reset-meson-audio-arb.c | 7 | ||||
-rw-r--r-- | drivers/reset/reset-meson.c | 4 | ||||
-rw-r--r-- | drivers/reset/reset-oxnas.c | 114 | ||||
-rw-r--r-- | drivers/reset/starfive/Kconfig | 3 | ||||
-rw-r--r-- | drivers/reset/sti/Kconfig | 4 | ||||
-rw-r--r-- | drivers/reset/sti/Makefile | 4 | ||||
-rw-r--r-- | drivers/reset/sti/reset-syscfg.c | 18 |
14 files changed, 18 insertions, 166 deletions
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index d9ac540c00ab..ccd59ddd7610 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -150,9 +150,6 @@ config RESET_NUVOTON_MA35D1 help This enables the reset controller driver for Nuvoton MA35D1 SoC. -config RESET_OXNAS - bool - config RESET_PISTACHIO bool "Pistachio Reset Driver" depends on MIPS || COMPILE_TEST @@ -161,7 +158,8 @@ config RESET_PISTACHIO config RESET_POLARFIRE_SOC bool "Microchip PolarFire SoC (MPFS) Reset Driver" - depends on AUXILIARY_BUS && MCHP_CLK_MPFS + depends on MCHP_CLK_MPFS + select AUXILIARY_BUS default MCHP_CLK_MPFS help This driver supports peripheral reset for the Microchip PolarFire SoC diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 411b45ba0da7..8270da8a4baa 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -22,7 +22,6 @@ obj-$(CONFIG_RESET_MESON) += reset-meson.o obj-$(CONFIG_RESET_MESON_AUDIO_ARB) += reset-meson-audio-arb.o obj-$(CONFIG_RESET_NPCM) += reset-npcm.o obj-$(CONFIG_RESET_NUVOTON_MA35D1) += reset-ma35d1.o -obj-$(CONFIG_RESET_OXNAS) += reset-oxnas.o obj-$(CONFIG_RESET_PISTACHIO) += reset-pistachio.o obj-$(CONFIG_RESET_POLARFIRE_SOC) += reset-mpfs.o obj-$(CONFIG_RESET_QCOM_AOSS) += reset-qcom-aoss.o diff --git a/drivers/reset/reset-ath79.c b/drivers/reset/reset-ath79.c index e48d8fcb3133..a8b8f5ea77ec 100644 --- a/drivers/reset/reset-ath79.c +++ b/drivers/reset/reset-ath79.c @@ -86,7 +86,6 @@ static int ath79_reset_restart_handler(struct notifier_block *nb, static int ath79_reset_probe(struct platform_device *pdev) { struct ath79_reset *ath79_reset; - struct resource *res; int err; ath79_reset = devm_kzalloc(&pdev->dev, @@ -96,8 +95,7 @@ static int ath79_reset_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ath79_reset); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ath79_reset->base = devm_ioremap_resource(&pdev->dev, res); + ath79_reset->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(ath79_reset->base)) return PTR_ERR(ath79_reset->base); diff --git a/drivers/reset/reset-axs10x.c b/drivers/reset/reset-axs10x.c index a854ef41364d..115f69e0db33 100644 --- a/drivers/reset/reset-axs10x.c +++ b/drivers/reset/reset-axs10x.c @@ -44,14 +44,12 @@ static const struct reset_control_ops axs10x_reset_ops = { static int axs10x_reset_probe(struct platform_device *pdev) { struct axs10x_rst *rst; - struct resource *mem; rst = devm_kzalloc(&pdev->dev, sizeof(*rst), GFP_KERNEL); if (!rst) return -ENOMEM; - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - rst->regs_rst = devm_ioremap_resource(&pdev->dev, mem); + rst->regs_rst = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rst->regs_rst)) return PTR_ERR(rst->regs_rst); diff --git a/drivers/reset/reset-brcmstb-rescal.c b/drivers/reset/reset-brcmstb-rescal.c index 433fa0c40e47..823317772bac 100644 --- a/drivers/reset/reset-brcmstb-rescal.c +++ b/drivers/reset/reset-brcmstb-rescal.c @@ -66,14 +66,12 @@ static const struct reset_control_ops brcm_rescal_reset_ops = { static int brcm_rescal_reset_probe(struct platform_device *pdev) { struct brcm_rescal_reset *data; - struct resource *res; data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - data->base = devm_ioremap_resource(&pdev->dev, res); + data->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(data->base)) return PTR_ERR(data->base); diff --git a/drivers/reset/reset-hsdk.c b/drivers/reset/reset-hsdk.c index 4c7b8647b49c..98460e08752c 100644 --- a/drivers/reset/reset-hsdk.c +++ b/drivers/reset/reset-hsdk.c @@ -92,19 +92,16 @@ static const struct reset_control_ops hsdk_reset_ops = { static int hsdk_reset_probe(struct platform_device *pdev) { struct hsdk_rst *rst; - struct resource *mem; rst = devm_kzalloc(&pdev->dev, sizeof(*rst), GFP_KERNEL); if (!rst) return -ENOMEM; - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - rst->regs_ctl = devm_ioremap_resource(&pdev->dev, mem); + rst->regs_ctl = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rst->regs_ctl)) return PTR_ERR(rst->regs_ctl); - mem = platform_get_resource(pdev, IORESOURCE_MEM, 1); - rst->regs_rst = devm_ioremap_resource(&pdev->dev, mem); + rst->regs_rst = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(rst->regs_rst)) return PTR_ERR(rst->regs_rst); diff --git a/drivers/reset/reset-lpc18xx.c b/drivers/reset/reset-lpc18xx.c index 35d8dd4cccfc..36ec95518905 100644 --- a/drivers/reset/reset-lpc18xx.c +++ b/drivers/reset/reset-lpc18xx.c @@ -139,7 +139,6 @@ static const struct reset_control_ops lpc18xx_rgu_ops = { static int lpc18xx_rgu_probe(struct platform_device *pdev) { struct lpc18xx_rgu_data *rc; - struct resource *res; u32 fcclk, firc; int ret; @@ -147,8 +146,7 @@ static int lpc18xx_rgu_probe(struct platform_device *pdev) if (!rc) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - rc->base = devm_ioremap_resource(&pdev->dev, res); + rc->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rc->base)) return PTR_ERR(rc->base); diff --git a/drivers/reset/reset-meson-audio-arb.c b/drivers/reset/reset-meson-audio-arb.c index 1dc06e08a8da..6a3f6a6a3bbf 100644 --- a/drivers/reset/reset-meson-audio-arb.c +++ b/drivers/reset/reset-meson-audio-arb.c @@ -151,11 +151,8 @@ static int meson_audio_arb_probe(struct platform_device *pdev) platform_set_drvdata(pdev, arb); arb->clk = devm_clk_get(dev, NULL); - if (IS_ERR(arb->clk)) { - if (PTR_ERR(arb->clk) != -EPROBE_DEFER) - dev_err(dev, "failed to get clock\n"); - return PTR_ERR(arb->clk); - } + if (IS_ERR(arb->clk)) + return dev_err_probe(dev, PTR_ERR(arb->clk), "failed to get clock\n"); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); arb->regs = devm_ioremap_resource(dev, res); diff --git a/drivers/reset/reset-meson.c b/drivers/reset/reset-meson.c index 26dc54778615..13878ca2779d 100644 --- a/drivers/reset/reset-meson.c +++ b/drivers/reset/reset-meson.c @@ -116,14 +116,12 @@ MODULE_DEVICE_TABLE(of, meson_reset_dt_ids); static int meson_reset_probe(struct platform_device *pdev) { struct meson_reset *data; - struct resource *res; data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - data->reg_base = devm_ioremap_resource(&pdev->dev, res); + data->reg_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(data->reg_base)) return PTR_ERR(data->reg_base); diff --git a/drivers/reset/reset-oxnas.c b/drivers/reset/reset-oxnas.c deleted file mode 100644 index 8209f922dc16..000000000000 --- a/drivers/reset/reset-oxnas.c +++ /dev/null @@ -1,114 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Oxford Semiconductor Reset Controller driver - * - * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com> - * Copyright (C) 2014 Ma Haijun <mahaijuns@gmail.com> - * Copyright (C) 2009 Oxford Semiconductor Ltd - */ -#include <linux/err.h> -#include <linux/init.h> -#include <linux/of.h> -#include <linux/platform_device.h> -#include <linux/reset-controller.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/types.h> -#include <linux/regmap.h> -#include <linux/mfd/syscon.h> - -/* Regmap offsets */ -#define RST_SET_REGOFFSET 0x34 -#define RST_CLR_REGOFFSET 0x38 - -struct oxnas_reset { - struct regmap *regmap; - struct reset_controller_dev rcdev; -}; - -static int oxnas_reset_reset(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct oxnas_reset *data = - container_of(rcdev, struct oxnas_reset, rcdev); - - regmap_write(data->regmap, RST_SET_REGOFFSET, BIT(id)); - msleep(50); - regmap_write(data->regmap, RST_CLR_REGOFFSET, BIT(id)); - - return 0; -} - -static int oxnas_reset_assert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct oxnas_reset *data = - container_of(rcdev, struct oxnas_reset, rcdev); - - regmap_write(data->regmap, RST_SET_REGOFFSET, BIT(id)); - - return 0; -} - -static int oxnas_reset_deassert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct oxnas_reset *data = - container_of(rcdev, struct oxnas_reset, rcdev); - - regmap_write(data->regmap, RST_CLR_REGOFFSET, BIT(id)); - - return 0; -} - -static const struct reset_control_ops oxnas_reset_ops = { - .reset = oxnas_reset_reset, - .assert = oxnas_reset_assert, - .deassert = oxnas_reset_deassert, -}; - -static const struct of_device_id oxnas_reset_dt_ids[] = { - { .compatible = "oxsemi,ox810se-reset", }, - { .compatible = "oxsemi,ox820-reset", }, - { /* sentinel */ }, -}; - -static int oxnas_reset_probe(struct platform_device *pdev) -{ - struct oxnas_reset *data; - struct device *parent; - - parent = pdev->dev.parent; - if (!parent) { - dev_err(&pdev->dev, "no parent\n"); - return -ENODEV; - } - - data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); - if (!data) - return -ENOMEM; - - data->regmap = syscon_node_to_regmap(parent->of_node); - if (IS_ERR(data->regmap)) { - dev_err(&pdev->dev, "failed to get parent regmap\n"); - return PTR_ERR(data->regmap); - } - - platform_set_drvdata(pdev, data); - - data->rcdev.owner = THIS_MODULE; - data->rcdev.nr_resets = 32; - data->rcdev.ops = &oxnas_reset_ops; - data->rcdev.of_node = pdev->dev.of_node; - - return devm_reset_controller_register(&pdev->dev, &data->rcdev); -} - -static struct platform_driver oxnas_reset_driver = { - .probe = oxnas_reset_probe, - .driver = { - .name = "oxnas-reset", - .of_match_table = oxnas_reset_dt_ids, - }, -}; -builtin_platform_driver(oxnas_reset_driver); diff --git a/drivers/reset/starfive/Kconfig b/drivers/reset/starfive/Kconfig index 1fa706a2c3dc..d832339f61bc 100644 --- a/drivers/reset/starfive/Kconfig +++ b/drivers/reset/starfive/Kconfig @@ -13,7 +13,8 @@ config RESET_STARFIVE_JH7100 config RESET_STARFIVE_JH7110 bool "StarFive JH7110 Reset Driver" - depends on AUXILIARY_BUS && CLK_STARFIVE_JH7110_SYS + depends on CLK_STARFIVE_JH7110_SYS + select AUXILIARY_BUS select RESET_STARFIVE_JH71X0 default ARCH_STARFIVE help diff --git a/drivers/reset/sti/Kconfig b/drivers/reset/sti/Kconfig index 9455e1c7a5aa..a2622e146b8b 100644 --- a/drivers/reset/sti/Kconfig +++ b/drivers/reset/sti/Kconfig @@ -1,11 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only if ARCH_STI -config STI_RESET_SYSCFG - bool - config STIH407_RESET bool - select STI_RESET_SYSCFG endif diff --git a/drivers/reset/sti/Makefile b/drivers/reset/sti/Makefile index 3eb30f7e8e3d..5e833496cee3 100644 --- a/drivers/reset/sti/Makefile +++ b/drivers/reset/sti/Makefile @@ -1,4 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-$(CONFIG_STI_RESET_SYSCFG) += reset-syscfg.o - -obj-$(CONFIG_STIH407_RESET) += reset-stih407.o +obj-$(CONFIG_STIH407_RESET) += reset-stih407.o reset-syscfg.o diff --git a/drivers/reset/sti/reset-syscfg.c b/drivers/reset/sti/reset-syscfg.c index b4b46e0f207e..c1ba04f6f155 100644 --- a/drivers/reset/sti/reset-syscfg.c +++ b/drivers/reset/sti/reset-syscfg.c @@ -64,22 +64,12 @@ static int syscfg_reset_program_hw(struct reset_controller_dev *rcdev, return err; if (ch->ack) { - unsigned long timeout = jiffies + msecs_to_jiffies(1000); u32 ack_val; - while (true) { - err = regmap_field_read(ch->ack, &ack_val); - if (err) - return err; - - if (ack_val == ctrl_val) - break; - - if (time_after(jiffies, timeout)) - return -ETIME; - - cpu_relax(); - } + err = regmap_field_read_poll_timeout(ch->ack, ack_val, (ack_val == ctrl_val), + 100, USEC_PER_SEC); + if (err) + return err; } return 0; |