diff options
author | Steven Miao <realmz6@gmail.com> | 2012-06-07 08:17:12 +0200 |
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committer | Bob Liu <lliubbo@gmail.com> | 2012-07-24 07:39:50 +0200 |
commit | 923680cbee19bf7be11c3ec3ad6e5c14c4aa2194 (patch) | |
tree | 5bbef34c76134c285b9ce1ecd1fecf2d76232ccb /arch/blackfin/mach-bf609/pm.c | |
parent | bfin: simple_timer: add READ_COUNTER ioctl and add NOIRQ timer mode (diff) | |
download | linux-923680cbee19bf7be11c3ec3ad6e5c14c4aa2194.tar.xz linux-923680cbee19bf7be11c3ec3ad6e5c14c4aa2194.zip |
bf60x: pm: add smc nor flash syscore ops
Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to '')
-rw-r--r-- | arch/blackfin/mach-bf609/pm.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/arch/blackfin/mach-bf609/pm.c b/arch/blackfin/mach-bf609/pm.c index 6094c7d3b1f2..4f6977762630 100644 --- a/arch/blackfin/mach-bf609/pm.c +++ b/arch/blackfin/mach-bf609/pm.c @@ -11,8 +11,8 @@ #include <linux/interrupt.h> #include <linux/gpio.h> #include <linux/irq.h> - #include <linux/delay.h> +#include <linux/syscore_ops.h> #include <asm/dpmc.h> #include <asm/pm.h> @@ -293,6 +293,23 @@ static struct bfin_cpu_pm_fns bf609_cpu_pm = { .finish = bf609_cpu_pm_finish, }; +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static void smc_pm_syscore_suspend(void) +{ + bf609_nor_flash_exit(); +} + +static void smc_pm_syscore_resume(void) +{ + bf609_nor_flash_init(); +} + +static struct syscore_ops smc_pm_syscore_ops = { + .suspend = smc_pm_syscore_suspend, + .resume = smc_pm_syscore_resume, +}; +#endif + static irqreturn_t test_isr(int irq, void *dev_id) { printk(KERN_DEBUG "gpio irq %d\n", irq); @@ -312,6 +329,10 @@ static int __init bf609_init_pm(void) int irq; int error; +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) + register_syscore_ops(&smc_pm_syscore_ops); +#endif + #ifdef CONFIG_PM_BFIN_WAKE_PE12 irq = gpio_to_irq(GPIO_PE12); if (irq < 0) { |