Messages in this thread Patch in this message | | | From | Bryan Wu <> | Subject | [PATCH 10/18] mach-clps711x: retire custom LED code of P720T machine | Date | Fri, 26 Aug 2011 17:03:27 +0800 |
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Add tigger based LED driver into board file of P720T. Remove old LED driver file.
Signed-off-by: Bryan Wu <bryan.wu@canonical.com> --- arch/arm/mach-clps711x/Makefile | 2 - arch/arm/mach-clps711x/include/mach/time.h | 2 - arch/arm/mach-clps711x/p720t-leds.c | 67 ---------------------------- arch/arm/mach-clps711x/p720t.c | 60 +++++++++++++++++++++++++ arch/arm/mach-clps711x/time.c | 1 - 5 files changed, 60 insertions(+), 72 deletions(-) delete mode 100644 arch/arm/mach-clps711x/p720t-leds.c
diff --git a/arch/arm/mach-clps711x/Makefile b/arch/arm/mach-clps711x/Makefile index 4a19731..af9dcce 100644 --- a/arch/arm/mach-clps711x/Makefile +++ b/arch/arm/mach-clps711x/Makefile @@ -16,5 +16,3 @@ obj-$(CONFIG_ARCH_CLEP7312) += clep7312.o obj-$(CONFIG_ARCH_EDB7211) += edb7211-arch.o edb7211-mm.o obj-$(CONFIG_ARCH_FORTUNET) += fortunet.o obj-$(CONFIG_ARCH_P720T) += p720t.o -leds-$(CONFIG_ARCH_P720T) += p720t-leds.o -obj-$(CONFIG_LEDS) += $(leds-y) diff --git a/arch/arm/mach-clps711x/include/mach/time.h b/arch/arm/mach-clps711x/include/mach/time.h index 61fef91..bafc325 100644 --- a/arch/arm/mach-clps711x/include/mach/time.h +++ b/arch/arm/mach-clps711x/include/mach/time.h @@ -17,7 +17,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <asm/leds.h> #include <asm/hardware/clps7111.h> extern void clps711x_setup_timer(void); @@ -29,7 +28,6 @@ static irqreturn_t p720t_timer_interrupt(int irq, void *dev_id) { struct pt_regs *regs = get_irq_regs(); - do_leds(); xtime_update(1); #ifndef CONFIG_SMP update_process_times(user_mode(regs)); diff --git a/arch/arm/mach-clps711x/p720t-leds.c b/arch/arm/mach-clps711x/p720t-leds.c deleted file mode 100644 index 1512144..0000000 --- a/arch/arm/mach-clps711x/p720t-leds.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * linux/arch/arm/mach-clps711x/leds.c - * - * Integrator LED control routines - * - * Copyright (C) 2000 Deep Blue Solutions Ltd - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/system.h> -#include <asm/mach-types.h> - -#include <asm/hardware/clps7111.h> -#include <asm/hardware/ep7212.h> - -static void p720t_leds_event(led_event_t ledevt) -{ - unsigned long flags; - u32 pddr; - - local_irq_save(flags); - switch(ledevt) { - case led_idle_start: - break; - - case led_idle_end: - break; - - case led_timer: - pddr = clps_readb(PDDR); - clps_writeb(pddr ^ 1, PDDR); - break; - - default: - break; - } - - local_irq_restore(flags); -} - -static int __init leds_init(void) -{ - if (machine_is_p720t()) - leds_event = p720t_leds_event; - - return 0; -} - -arch_initcall(leds_init); diff --git a/arch/arm/mach-clps711x/p720t.c b/arch/arm/mach-clps711x/p720t.c index cefbce0..13fd262 100644 --- a/arch/arm/mach-clps711x/p720t.c +++ b/arch/arm/mach-clps711x/p720t.c @@ -23,6 +23,8 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/io.h> +#include <linux/slab.h> +#include <linux/leds.h> #include <mach/hardware.h> #include <asm/pgtable.h> @@ -34,6 +36,8 @@ #include <asm/mach/map.h> #include <mach/syspld.h> +#include <asm/hardware/clps7111.h> + #include "common.h" /* @@ -121,3 +125,59 @@ static int p720t_hw_init(void) __initcall(p720t_hw_init); +/* + * LED controled by CPLD + */ +static void p720t_led_set(struct led_classdev *cdev, + enum led_brightness b) +{ + u8 reg = clps_readb(PDDR); + + if (b != LED_OFF) + reg |= 0x1; + else + reg &= ~0x1; + + clps_writeb(reg, PDDR); +} + +static enum led_brightness p720t_led_get(struct led_classdev *cdev) +{ + u8 reg = clps_readb(PDDR); + + return (reg & 0x1) ? LED_FULL : LED_OFF; +} + +static int __init p720t_leds_init(void) +{ + + struct led_classdev *cdev; + int ret; + + if (!machine_is_p720t()) + return -ENODEV; + + cdev = kzalloc(sizeof(*cdev), GFP_KERNEL); + if (!cdev) + return -ENOMEM; + + cdev->name = "p720t:0"; + cdev->brightness_set = p720t_led_set; + cdev->brightness_get = p720t_led_get; + cdev->default_trigger = "heartbeat"; + + ret = led_classdev_register(NULL, cdev); + if (ret < 0) { + kfree(cdev); + return ret; + } + + return 0; +} + +/* + * Since we may have triggers on any subsystem, defer registration + * until after subsystem_init. + */ +fs_initcall(p720t_leds_init); + diff --git a/arch/arm/mach-clps711x/time.c b/arch/arm/mach-clps711x/time.c index d581ef0..d79fe79 100644 --- a/arch/arm/mach-clps711x/time.c +++ b/arch/arm/mach-clps711x/time.c @@ -25,7 +25,6 @@ #include <mach/hardware.h> #include <asm/irq.h> -#include <asm/leds.h> #include <asm/hardware/clps7111.h> #include <asm/mach/time.h> -- 1.7.5
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