Commit 49635141 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: musb: drop musb_platform_save/restore_context 



... that can be easily folded into the
musb_platform_suspend/resume calls.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent fa56df91

drivers/usb/musb/am35x.c

+9 −6
Original line number Diff line number Diff line
@@ -462,19 +462,19 @@ static int am35x_musb_exit(struct musb *musb) 
	return 0;

}



#ifdef CONFIG_PM

void musb_platform_save_context(struct musb *musb,

	struct musb_context_registers *musb_context)

static int am35x_musb_suspend(struct musb *musb)

{

	phy_off();



	return 0;

}



void musb_platform_restore_context(struct musb *musb,

	struct musb_context_registers *musb_context)

static int am35x_musb_resume(struct musb *musb)

{

	phy_on();



	return 0;

}

#endif



/* AM35x supports only 32bit read operation */

void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
@@ -516,6 +516,9 @@ static const struct musb_platform_ops am35x_ops = { 
	.set_mode	= am35x_musb_set_mode,

	.try_idle	= am35x_musb_try_idle,



	.suspend	= am35x_musb_suspend,

	.resume		= am35x_musb_resume,



	.set_vbus	= am35x_musb_set_vbus,

};

drivers/usb/musb/blackfin.c

+9 −6
Original line number Diff line number Diff line
@@ -406,9 +406,7 @@ static int bfin_musb_init(struct musb *musb) 
	return 0;

}



#ifdef CONFIG_PM

void musb_platform_save_context(struct musb *musb,

			struct musb_context_registers *musb_context)

static int bfin_musb_suspend(struct musb *musb)

{

	if (is_host_active(musb))

		/*
@@ -418,14 +416,16 @@ void musb_platform_save_context(struct musb *musb, 
		 * wakeup event.

		 */

		gpio_set_value(musb->config->gpio_vrsel, 0);



	return 0;

}



void musb_platform_restore_context(struct musb *musb,

			struct musb_context_registers *musb_context)

static int bfin_musb_resume(struct musb *musb)

{

	bfin_musb_reg_init(musb);



	return 0;

}

#endif



static int bfin_musb_exit(struct musb *musb)

{
@@ -446,6 +446,9 @@ static const struct musb_platform_ops bfin_ops = { 
	.set_mode	= bfin_musb_set_mode,

	.try_idle	= bfin_musb_try_idle,



	.suspend	= bfin_musb_suspend,

	.resume		= bfin_musb_resume,



	.vbus_status	= bfin_musb_vbus_status,

	.set_vbus	= bfin_musb_set_vbus,

};

drivers/usb/musb/musb_core.c

+2 −2
Original line number Diff line number Diff line
@@ -2307,7 +2307,7 @@ void musb_save_context(struct musb *musb) 
		}

	}



	musb_platform_save_context(musb, &musb->context);

	musb_platform_suspend(musb);

}



void musb_restore_context(struct musb *musb)
@@ -2317,7 +2317,7 @@ void musb_restore_context(struct musb *musb) 
	void __iomem *ep_target_regs;

	void __iomem *epio;



	musb_platform_restore_context(musb, &musb->context);

	musb_platform_resume(musb);



	if (is_host_enabled(musb)) {

		musb_writew(musb_base, MUSB_FRAME, musb->context.frame);

drivers/usb/musb/musb_core.h

+0 −14
Original line number Diff line number Diff line
@@ -603,20 +603,6 @@ extern irqreturn_t musb_interrupt(struct musb *); 


extern void musb_hnp_stop(struct musb *musb);



#ifdef CONFIG_PM

#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \

    defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_BLACKFIN)

extern void musb_platform_save_context(struct musb *musb,

		struct musb_context_registers *musb_context);

extern void musb_platform_restore_context(struct musb *musb,

		struct musb_context_registers *musb_context);

#else

#define musb_platform_save_context(m, x)	do {} while (0)

#define musb_platform_restore_context(m, x)	do {} while (0)

#endif



#endif



static inline void musb_platform_set_vbus(struct musb *musb, int is_on)

{

	if (musb->ops->set_vbus)

drivers/usb/musb/omap2430.c

+10 −10
Original line number Diff line number Diff line
@@ -258,21 +258,17 @@ static int omap2430_musb_init(struct musb *musb) 
	return 0;

}



#ifdef CONFIG_PM

void musb_platform_save_context(struct musb *musb,

		struct musb_context_registers *musb_context)

static void omap2430_save_context(struct musb *musb)

{

	musb_context->otg_sysconfig = musb_readl(musb->mregs, OTG_SYSCONFIG);

	musb_context->otg_forcestandby = musb_readl(musb->mregs, OTG_FORCESTDBY);

	musb->context.otg_sysconfig = musb_readl(musb->mregs, OTG_SYSCONFIG);

	musb->context.otg_forcestandby = musb_readl(musb->mregs, OTG_FORCESTDBY);

}



void musb_platform_restore_context(struct musb *musb,

		struct musb_context_registers *musb_context)

static void omap2430_restore_context(struct musb *musb)

{

	musb_writel(musb->mregs, OTG_SYSCONFIG, musb_context->otg_sysconfig);

	musb_writel(musb->mregs, OTG_FORCESTDBY, musb_context->otg_forcestandby);

	musb_writel(musb->mregs, OTG_SYSCONFIG, musb->context.otg_sysconfig);

	musb_writel(musb->mregs, OTG_FORCESTDBY, musb->context.otg_forcestandby);

}

#endif



static int omap2430_musb_suspend(struct musb *musb)

{
@@ -287,6 +283,8 @@ static int omap2430_musb_suspend(struct musb *musb) 
	l |= ENABLEWAKEUP;	/* enable wakeup */

	musb_writel(musb->mregs, OTG_SYSCONFIG, l);



	omap2430_save_context(musb);



	otg_set_suspend(musb->xceiv, 1);



	return 0;
@@ -298,6 +296,8 @@ static int omap2430_musb_resume(struct musb *musb) 


	otg_set_suspend(musb->xceiv, 0);



	omap2430_restore_context(musb);



	l = musb_readl(musb->mregs, OTG_SYSCONFIG);

	l &= ~ENABLEWAKEUP;	/* disable wakeup */

	musb_writel(musb->mregs, OTG_SYSCONFIG, l);