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    Subject[PATCH 09/18] ARM: mach-clps711x: retire custom LED code of P720T machine
    Date
    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/common.c | 1 -
    arch/arm/mach-clps711x/include/mach/time.h | 2 -
    arch/arm/mach-clps711x/p720t-leds.c | 66 ----------------------------
    arch/arm/mach-clps711x/p720t.c | 59 +++++++++++++++++++++++++
    5 files changed, 59 insertions(+), 71 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 f2f0256..5872b49 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/common.c b/arch/arm/mach-clps711x/common.c
    index 3c5b5bb..c9ba167 100644
    --- a/arch/arm/mach-clps711x/common.c
    +++ b/arch/arm/mach-clps711x/common.c
    @@ -31,7 +31,6 @@
    #include <asm/sizes.h>
    #include <mach/hardware.h>
    #include <asm/irq.h>
    -#include <asm/leds.h>
    #include <asm/pgtable.h>
    #include <asm/page.h>
    #include <asm/mach/map.h>
    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 dd9a6cd..0000000
    --- a/arch/arm/mach-clps711x/p720t-leds.c
    +++ /dev/null
    @@ -1,66 +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/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 42ee8f3..c782cbf 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 +125,58 @@ 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);
    --
    1.7.9.5


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