commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=6da71832b6235965db3fe011c624616978bb28f3 branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/2012R1
Signed-off-by: Steven Miao <[email protected]> --- arch/blackfin/mach-bf609/include/mach/pm.h | 3 +++ arch/blackfin/mach-bf609/pm.c | 23 ++++++++++++++++++++++- 2 files changed, 25 insertions(+), 1 deletions(-) diff --git a/arch/blackfin/mach-bf609/include/mach/pm.h b/arch/blackfin/mach-bf609/include/mach/pm.h index 68435f9..3ca0fb9 100644 --- a/arch/blackfin/mach-bf609/include/mach/pm.h +++ b/arch/blackfin/mach-bf609/include/mach/pm.h @@ -18,4 +18,7 @@ extern void bf609_pm_finish(void); void bf609_hibernate(void); void bfin_sec_raise_irq(unsigned int sid); void coreb_enable(void); + +int bf609_nor_flash_init(void); +void bf609_nor_flash_exit(void); #endif diff --git a/arch/blackfin/mach-bf609/pm.c b/arch/blackfin/mach-bf609/pm.c index 153cc63..38a2c0b 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> @@ -292,6 +292,23 @@ 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); @@ -318,6 +335,10 @@ 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) {
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