From 0f702757c68b9790a844e5c07073d3d1c777b13a Mon Sep 17 00:00:00 2001 From: Gaosheng Cui Date: Mon, 26 Aug 2024 11:34:11 +0800 Subject: [PATCH 1/6] ARM: samsung: Remove obsoleted declaration for s3c_hwmon_set_platdata The s3c_hwmon_set_platdata() have been removed since commit 0d297df03890 ("ARM: s3c: simplify platform code"), and now it is useless, so remove it. Signed-off-by: Gaosheng Cui Link: https://lore.kernel.org/r/20240826033411.4022822-1-cuigaosheng1@huawei.com Signed-off-by: Krzysztof Kozlowski --- include/linux/platform_data/hwmon-s3c.h | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/include/linux/platform_data/hwmon-s3c.h b/include/linux/platform_data/hwmon-s3c.h index 1707ad4147df2..7d21e0c410378 100644 --- a/include/linux/platform_data/hwmon-s3c.h +++ b/include/linux/platform_data/hwmon-s3c.h @@ -33,14 +33,4 @@ struct s3c_hwmon_pdata { struct s3c_hwmon_chcfg *in[8]; }; -/** - * s3c_hwmon_set_platdata - Set platform data for S3C HWMON device - * @pd: Platform data to register to device. - * - * Register the given platform data for use with the S3C HWMON device. - * The call will copy the platform data, so the board definitions can - * make the structure itself __initdata. - */ -extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd); - #endif /* __HWMON_S3C_H__ */ From 3a6ad95d97eb62a7b7c804ef7eeb329a1f697d00 Mon Sep 17 00:00:00 2001 From: Gaosheng Cui Date: Mon, 26 Aug 2024 11:31:18 +0800 Subject: [PATCH 2/6] ASoC: samsung: Remove obsoleted declaration for s3c64xx_ac97_setup_gpio The s3c64xx_ac97_setup_gpio() have been removed since commit 0d297df03890 ("ARM: s3c: simplify platform code"), and now it is useless, so remove it. Signed-off-by: Gaosheng Cui Link: https://lore.kernel.org/r/20240826033118.4021727-1-cuigaosheng1@huawei.com Signed-off-by: Krzysztof Kozlowski --- include/linux/platform_data/asoc-s3c.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/platform_data/asoc-s3c.h b/include/linux/platform_data/asoc-s3c.h index f9c00f839e9f6..085dd8e8af762 100644 --- a/include/linux/platform_data/asoc-s3c.h +++ b/include/linux/platform_data/asoc-s3c.h @@ -13,8 +13,6 @@ #include -extern void s3c64xx_ac97_setup_gpio(int); - struct samsung_i2s_type { /* If the Primary DAI has 5.1 Channels */ #define QUIRK_PRI_6CHAN (1 << 0) From 4972111505158555b9b256f17b032463381bb38e Mon Sep 17 00:00:00 2001 From: Gaosheng Cui Date: Tue, 13 Aug 2024 18:35:56 +0800 Subject: [PATCH 3/6] ARM: zynq: Remove unused zynq_slcr_init() declaration The zynq_slcr_init() has been removed since commit 3329659df030 ("ARM: zynq: Simplify SLCR initialization"), so remove it. Signed-off-by: Gaosheng Cui Link: https://lore.kernel.org/r/20240813103556.1138061-1-cuigaosheng1@huawei.com Signed-off-by: Michal Simek --- arch/arm/mach-zynq/common.h | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm/mach-zynq/common.h b/arch/arm/mach-zynq/common.h index 60e662324699f..83a79d0c0bec5 100644 --- a/arch/arm/mach-zynq/common.h +++ b/arch/arm/mach-zynq/common.h @@ -9,7 +9,6 @@ #ifndef __MACH_ZYNQ_COMMON_H__ #define __MACH_ZYNQ_COMMON_H__ -extern int zynq_slcr_init(void); extern int zynq_early_slcr_init(void); extern void zynq_slcr_cpu_stop(int cpu); extern void zynq_slcr_cpu_start(int cpu); From 60d76ce9fa621286ed6c41a1f85afe95563e9e5d Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Mon, 23 Sep 2024 21:49:21 +0200 Subject: [PATCH 4/6] ARM: bcm: Support BCMBCA debug UART The debug UART on the BCMBCA SoCs are in a different place than on the other BCM platforms. Support this with a static map when debugging is explicitly configured. Right now I can only test this on BCM6846 so this is the only compatible I list for the debug boardfile, but other compatibles from the BCMBCA family can be added to get LL_DEBUG support. Signed-off-by: Linus Walleij Acked-by: William Zhang Link: https://lore.kernel.org/r/20240923-bcm-arm-bcm6846-v2-1-f4a7191b501a@linaro.org Signed-off-by: Florian Fainelli --- arch/arm/Kconfig.debug | 12 +++++++++--- arch/arm/mach-bcm/Makefile | 1 + arch/arm/mach-bcm/board_bcmbca.c | 31 +++++++++++++++++++++++++++++++ 3 files changed, 41 insertions(+), 3 deletions(-) create mode 100644 arch/arm/mach-bcm/board_bcmbca.c diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 7f47b4f335c3d..366f162e147d1 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -242,6 +242,10 @@ choice depends on ARCH_BCM_5301X || ARCH_BCM_NSP select DEBUG_UART_8250 + config DEBUG_BCMBCA + bool "Kernel low-level debugging on BCMBCA UART0" + depends on ARCH_BCMBCA + config DEBUG_BCM_HR2 bool "Kernel low-level debugging on Hurricane 2 UART2" depends on ARCH_BCM_HR2 @@ -1526,7 +1530,7 @@ config DEBUG_LL_INCLUDE default "debug/vf.S" if DEBUG_VF_UART default "debug/vt8500.S" if DEBUG_VT8500_UART0 default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 - default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART + default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART || DEBUG_BCMBCA default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART default "mach/debug-macro.S" @@ -1640,6 +1644,7 @@ config DEBUG_UART_PHYS default 0xfe531000 if DEBUG_STIH41X_SBC_ASC1 default 0xfed32000 if DEBUG_STIH41X_ASC2 default 0xff690000 if DEBUG_RK32_UART2 + default 0xff800640 if DEBUG_BCMBCA default 0xffc02000 if DEBUG_SOCFPGA_UART0 default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1 default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 @@ -1664,7 +1669,7 @@ config DEBUG_UART_PHYS DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ DEBUG_RMOBILE_SCIFA4 || \ DEBUG_S3C64XX_UART || \ - DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ + DEBUG_BCM63XX_UART || DEBUG_BCMBCA || DEBUG_ASM9260_UART || \ DEBUG_DIGICOLOR_UA0 || \ DEBUG_AT91_UART || DEBUG_STM32_UART || \ DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ @@ -1734,6 +1739,7 @@ config DEBUG_UART_VIRT default 0xfe018000 if DEBUG_MMP_UART3 default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART default 0xfe300000 if DEBUG_BCM_KONA_UART + default 0xfe300640 if DEBUG_BCMBCA default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART default 0xfeb24000 if DEBUG_RK3X_UART0 default 0xfeb26000 if DEBUG_RK3X_UART1 @@ -1765,7 +1771,7 @@ config DEBUG_UART_VIRT DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ DEBUG_QCOM_UARTDM || \ DEBUG_S3C64XX_UART || \ - DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ + DEBUG_BCM63XX_UART || DEBUG_BCMBCA || DEBUG_ASM9260_UART || \ DEBUG_DIGICOLOR_UA0 || \ DEBUG_AT91_UART || DEBUG_STM32_UART || \ DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile index 2e523f29ec3b2..6baedf4c63041 100644 --- a/arch/arm/mach-bcm/Makefile +++ b/arch/arm/mach-bcm/Makefile @@ -58,5 +58,6 @@ endif # BCMBCA ifeq ($(CONFIG_ARCH_BCMBCA),y) +obj-$(CONFIG_DEBUG_BCMBCA) += board_bcmbca.o obj-$(CONFIG_SMP) += bcm63xx_smp.o bcm63xx_pmb.o endif diff --git a/arch/arm/mach-bcm/board_bcmbca.c b/arch/arm/mach-bcm/board_bcmbca.c new file mode 100644 index 0000000000000..b510d959870ae --- /dev/null +++ b/arch/arm/mach-bcm/board_bcmbca.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Copyright (C) 2024 Linus Walleij + +#include +#include + +/* This is needed for LL-debug/earlyprintk/debug-macro.S */ +static struct map_desc bcmbca_io_desc[] __initdata = { + { + .virtual = CONFIG_DEBUG_UART_VIRT, + .pfn = __phys_to_pfn(CONFIG_DEBUG_UART_PHYS), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +static void __init bcmbca_map_io(void) +{ + iotable_init(bcmbca_io_desc, ARRAY_SIZE(bcmbca_io_desc)); +} + +static const char * const bcmbca_dt_compat[] = { + /* TODO: Add other BCMBCA SoCs here to get debug UART support */ + "brcm,bcm6846", + NULL, +}; + +DT_MACHINE_START(BCMBCA_DT, "BCMBCA Broadband Access Processors") + .map_io = bcmbca_map_io, + .dt_compat = bcmbca_dt_compat, +MACHINE_END From 4ee0bd85dd0a505ea3a1117bf4fad429c1f013ab Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 24 Sep 2024 11:42:22 -0700 Subject: [PATCH 5/6] ARM: bcm: brcmstb: Drop custom init_irq callback The default is to call irqchip_init() in the absence of a machine descriptor init_irq callback. Signed-off-by: Florian Fainelli --- arch/arm/mach-bcm/brcmstb.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/arm/mach-bcm/brcmstb.c b/arch/arm/mach-bcm/brcmstb.c index 43bc98e388bff..27948b5159938 100644 --- a/arch/arm/mach-bcm/brcmstb.c +++ b/arch/arm/mach-bcm/brcmstb.c @@ -23,11 +23,6 @@ u32 brcmstb_uart_config[3] = { 0, }; -static void __init brcmstb_init_irq(void) -{ - irqchip_init(); -} - static const char *const brcmstb_match[] __initconst = { "brcm,bcm7445", "brcm,brcmstb", @@ -36,5 +31,4 @@ static const char *const brcmstb_match[] __initconst = { DT_MACHINE_START(BRCMSTB, "Broadcom STB (Flattened Device Tree)") .dt_compat = brcmstb_match, - .init_irq = brcmstb_init_irq, MACHINE_END From 2f76989999a7434e95fabf7d9d9f9449f746c827 Mon Sep 17 00:00:00 2001 From: Andrew Davis Date: Fri, 11 Oct 2024 15:16:41 -0500 Subject: [PATCH 6/6] ARM: imx: Switch to new sys-off handler API Kernel now supports chained power-off handlers. Use register_platform_power_off() that registers a platform level power-off handler. Legacy pm_power_off() will be removed once all drivers and archs are converted to the new sys-off API. Signed-off-by: Andrew Davis Signed-off-by: Shawn Guo --- arch/arm/mach-imx/pm-imx6.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index b36f05b54cc76..a671ca498f887 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -634,13 +634,11 @@ static void imx6_pm_stby_poweroff(void) static int imx6_pm_stby_poweroff_probe(void) { - if (pm_power_off) { - pr_warn("%s: pm_power_off already claimed %p %ps!\n", - __func__, pm_power_off, pm_power_off); + if (register_platform_power_off(imx6_pm_stby_poweroff)) { + pr_warn("%s: platform power off already claimed!\n", __func__); return -EBUSY; } - pm_power_off = imx6_pm_stby_poweroff; return 0; }