From e031cd513ec2ff661465dc1198220075719e72d1 Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Tue, 13 Mar 2012 18:06:36 +0800 Subject: [PATCH] ARM: mach-realview and mach-versatile: retire custom LED code This replaces the custom LED trigger code in mach-realview with some overarching platform code for the plat-versatile family that will lock down LEDs 2 thru 5 for CPU activity indication. The day we have 8 core ARM systems the plat-versatile code will have to become more elaborate. Tested on RealView PB11MPCore by invoking four different CPU hogs (yes > /dev/null&) and see the LEDs go on one at a time. They all go off as the hogs are killed. Tested on the PB1176 as well - just one activity led (led 2) goes on and off with CPU activity. (bryan.wu@canonical.com: use ledtrig-cpu instead of ledtrig-arm-cpu) Cc: Richard Purdie Signed-off-by: Linus Walleij Signed-off-by: Bryan Wu Acked-by: Pawel Moll --- arch/arm/mach-realview/core.c | 39 -------------------------------- arch/arm/mach-realview/core.h | 2 -- arch/arm/mach-realview/realview_eb.c | 5 ---- arch/arm/mach-realview/realview_pb1176.c | 5 ---- arch/arm/mach-realview/realview_pb11mp.c | 5 ---- arch/arm/mach-realview/realview_pba8.c | 5 ---- arch/arm/mach-realview/realview_pbx.c | 5 ---- arch/arm/mach-versatile/core.c | 5 ---- arch/arm/plat-versatile/Kconfig | 4 +++- arch/arm/plat-versatile/leds.c | 8 +++---- 10 files changed, 7 insertions(+), 76 deletions(-) diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 45868bb..d22dee9 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -35,7 +35,6 @@ #include #include -#include #include #include #include @@ -436,44 +435,6 @@ struct clcd_board clcd_plat_data = { .remove = versatile_clcd_remove_dma, }; -#ifdef CONFIG_LEDS -#define VA_LEDS_BASE (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LED_OFFSET) - -void realview_leds_event(led_event_t ledevt) -{ - unsigned long flags; - u32 val; - u32 led = 1 << smp_processor_id(); - - local_irq_save(flags); - val = readl(VA_LEDS_BASE); - - switch (ledevt) { - case led_idle_start: - val = val & ~led; - break; - - case led_idle_end: - val = val | led; - break; - - case led_timer: - val = val ^ REALVIEW_SYS_LED7; - break; - - case led_halted: - val = 0; - break; - - default: - break; - } - - writel(val, VA_LEDS_BASE); - local_irq_restore(flags); -} -#endif /* CONFIG_LEDS */ - /* * Where is the timer (VA)? */ diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h index f8f2c0a..f2141ae 100644 --- a/arch/arm/mach-realview/core.h +++ b/arch/arm/mach-realview/core.h @@ -26,7 +26,6 @@ #include #include -#include #define APB_DEVICE(name, busid, base, plat) \ static AMBA_APB_DEVICE(name, busid, 0, REALVIEW_##base##_BASE, base##_IRQ, plat) @@ -47,7 +46,6 @@ extern void __iomem *timer1_va_base; extern void __iomem *timer2_va_base; extern void __iomem *timer3_va_base; -extern void realview_leds_event(led_event_t ledevt); extern void realview_timer_init(unsigned int timer_irq); extern int realview_flash_register(struct resource *res, u32 num); extern int realview_eth_register(const char *name, struct resource *res); diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index baf382c..21661ad 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -30,7 +30,6 @@ #include #include -#include #include #include #include @@ -462,10 +461,6 @@ static void __init realview_eb_init(void) struct amba_device *d = amba_devs[i]; amba_device_register(d, &iomem_resource); } - -#ifdef CONFIG_LEDS - leds_event = realview_leds_event; -#endif } MACHINE_START(REALVIEW_EB, "ARM-RealView EB") diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c index b1d7caf..c0ff882 100644 --- a/arch/arm/mach-realview/realview_pb1176.c +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -32,7 +32,6 @@ #include #include -#include #include #include #include @@ -375,10 +374,6 @@ static void __init realview_pb1176_init(void) struct amba_device *d = amba_devs[i]; amba_device_register(d, &iomem_resource); } - -#ifdef CONFIG_LEDS - leds_event = realview_leds_event; -#endif } MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176") diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c index a98c536..30779ae 100644 --- a/arch/arm/mach-realview/realview_pb11mp.c +++ b/arch/arm/mach-realview/realview_pb11mp.c @@ -30,7 +30,6 @@ #include #include -#include #include #include #include @@ -357,10 +356,6 @@ static void __init realview_pb11mp_init(void) struct amba_device *d = amba_devs[i]; amba_device_register(d, &iomem_resource); } - -#ifdef CONFIG_LEDS - leds_event = realview_leds_event; -#endif } MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore") diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c index 5965017..081cd72 100644 --- a/arch/arm/mach-realview/realview_pba8.c +++ b/arch/arm/mach-realview/realview_pba8.c @@ -29,7 +29,6 @@ #include #include -#include #include #include #include @@ -299,10 +298,6 @@ static void __init realview_pba8_init(void) struct amba_device *d = amba_devs[i]; amba_device_register(d, &iomem_resource); } - -#ifdef CONFIG_LEDS - leds_event = realview_leds_event; -#endif } MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8") diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c index 3f2f605..1ce62b9 100644 --- a/arch/arm/mach-realview/realview_pbx.c +++ b/arch/arm/mach-realview/realview_pbx.c @@ -28,7 +28,6 @@ #include #include -#include #include #include #include @@ -394,10 +393,6 @@ static void __init realview_pbx_init(void) struct amba_device *d = amba_devs[i]; amba_device_register(d, &iomem_resource); } - -#ifdef CONFIG_LEDS - leds_event = realview_leds_event; -#endif } MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX") diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index cd8ea35..855ca02 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -37,7 +37,6 @@ #include #include -#include #include #include #include @@ -763,10 +762,6 @@ void __init versatile_init(void) struct amba_device *d = amba_devs[i]; amba_device_register(d, &iomem_resource); } - -#ifdef CONFIG_LEDS - leds_event = versatile_leds_event; -#endif } /* diff --git a/arch/arm/plat-versatile/Kconfig b/arch/arm/plat-versatile/Kconfig index 81ee7cc..5c73e31 100644 --- a/arch/arm/plat-versatile/Kconfig +++ b/arch/arm/plat-versatile/Kconfig @@ -13,8 +13,10 @@ config PLAT_VERSATILE_FPGA_IRQ_NR depends on PLAT_VERSATILE_FPGA_IRQ config PLAT_VERSATILE_LEDS - def_bool y if LEDS_CLASS + def_bool y if NEW_LEDS depends on ARCH_REALVIEW || ARCH_VERSATILE + select LEDS_CLASS + select LEDS_TRIGGER config PLAT_VERSATILE_SCHED_CLOCK def_bool y diff --git a/arch/arm/plat-versatile/leds.c b/arch/arm/plat-versatile/leds.c index 3169fa5..d2490d0 100644 --- a/arch/arm/plat-versatile/leds.c +++ b/arch/arm/plat-versatile/leds.c @@ -37,10 +37,10 @@ static const struct { } versatile_leds[] = { { "versatile:0", "heartbeat", }, { "versatile:1", "mmc0", }, - { "versatile:2", }, - { "versatile:3", }, - { "versatile:4", }, - { "versatile:5", }, + { "versatile:2", "cpu0" }, + { "versatile:3", "cpu1" }, + { "versatile:4", "cpu2" }, + { "versatile:5", "cpu3" }, { "versatile:6", }, { "versatile:7", }, }; -- 2.7.4