Commit 923680cb authored by Steven Miao's avatar Steven Miao Committed by Bob Liu
Browse files

bf60x: pm: add smc nor flash syscore ops 



Signed-off-by: default avatarSteven Miao <realmz6@gmail.com>
Signed-off-by: default avatarBob Liu <lliubbo@gmail.com>
parent 5f78028b

arch/blackfin/mach-bf609/include/mach/pm.h

+3 −0
Original line number Diff line number Diff line
@@ -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

arch/blackfin/mach-bf609/pm.c

+22 −1
Original line number Diff line number Diff line
@@ -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) {