Commit c6a26ce9 authored by Steven Miao's avatar Steven Miao
Browse files

pm: bf609: cleanup smc nor flash 



drop smc pin state change code, pin state will be saved in pinctrl-adi2 driver
cleanup nor flash init/exit for pm suspend/resume

Signed-off-by: default avatarSteven Miao <realmz6@gmail.com>
parent 9a3c4145

arch/blackfin/mach-bf609/boards/ezkit.c

+0 −3
Original line number Diff line number Diff line
@@ -698,8 +698,6 @@ int bf609_nor_flash_init(struct platform_device *pdev) 
{

#define CONFIG_SMC_GCTL_VAL     0x00000010



	if (!devm_pinctrl_get_select_default(&pdev->dev))

		return -EBUSY;

	bfin_write32(SMC_GCTL, CONFIG_SMC_GCTL_VAL);

	bfin_write32(SMC_B0CTL, 0x01002011);

	bfin_write32(SMC_B0TIM, 0x08170977);
@@ -709,7 +707,6 @@ int bf609_nor_flash_init(struct platform_device *pdev) 


void bf609_nor_flash_exit(struct platform_device *pdev)

{

	devm_pinctrl_put(pdev->dev.pins->p);

	bfin_write32(SMC_GCTL, 0);

}

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

+3 −2
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
#define __MACH_BF609_PM_H__



#include <linux/suspend.h>

#include <linux/platform_device.h>



extern int bfin609_pm_enter(suspend_state_t state);

extern int bf609_pm_prepare(void);
@@ -19,6 +20,6 @@ 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);

int bf609_nor_flash_init(struct platform_device *pdev);

void bf609_nor_flash_exit(struct platform_device *pdev);

#endif

arch/blackfin/mach-bf609/pm.c

+2 −2
Original line number Diff line number Diff line
@@ -291,13 +291,13 @@ static struct bfin_cpu_pm_fns bf609_cpu_pm = { 
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)

static int smc_pm_syscore_suspend(void)

{

	bf609_nor_flash_exit();

	bf609_nor_flash_exit(NULL);

	return 0;

}



static void smc_pm_syscore_resume(void)

{

	bf609_nor_flash_init();

	bf609_nor_flash_init(NULL);

}



static struct syscore_ops smc_pm_syscore_ops = {

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