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Commit e25bec16 authored by Hema HK's avatar Hema HK Committed by Felipe Balbi
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usb: musb: omap2+: save and restore OTG_INTERFSEL 



we need to save and restore OTG_INTERFSEL register
else we will be unable to function on resume after
OFF mode.

Reported-by: default avatarDevaraj Rangasamy <dev@ti.com>
Signed-off-by: default avatarHema HK <hemahk@ti.com>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarVikram Pandita <vikram.pandita@ti.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent ea737554

drivers/usb/musb/musb_core.h

+1 −0
Original line number Diff line number Diff line
@@ -311,6 +311,7 @@ struct musb_context_registers { 
	u8 index, testmode;



	u8 devctl, busctl, misc;

	u32 otg_interfsel;



	struct musb_csr_regs index_regs[MUSB_C_NUM_EPS];

};

drivers/usb/musb/omap2430.c

+6 −0
Original line number Diff line number Diff line
@@ -491,6 +491,9 @@ static int omap2430_runtime_suspend(struct device *dev) 
	struct omap2430_glue		*glue = dev_get_drvdata(dev);

	struct musb			*musb = glue_to_musb(glue);



	musb->context.otg_interfsel = musb_readl(musb->mregs,

						OTG_INTERFSEL);



	omap2430_low_level_exit(musb);

	otg_set_suspend(musb->xceiv, 1);
@@ -503,6 +506,9 @@ static int omap2430_runtime_resume(struct device *dev) 
	struct musb			*musb = glue_to_musb(glue);



	omap2430_low_level_init(musb);

	musb_writel(musb->mregs, OTG_INTERFSEL,

					musb->context.otg_interfsel);



	otg_set_suspend(musb->xceiv, 0);



	return 0;