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Commit 486fc20a authored by Alexandre Bailon's avatar Alexandre Bailon Committed by Greg Kroah-Hartman
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usb: musb: da8xx: Fix host mode suspend 



On da8xx, VBUS is not maintained during suspend when musb is in host mode.
On resume, all the connected devices will be disconnected and then will
be enumerated again.
This happens because MUSB_DEVCTL is cleared during suspend.

Use the quirk MUSB_PRESERVE_SESSION to preseve MUSB_DEVCTL during suspend.

Signed-off-by: default avatarAlexandre Bailon <abailon@baylibre.com>
Signed-off-by: default avatarBin Liu <b-liu@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a926ed11

drivers/usb/musb/da8xx.c

+1 −1
Original line number Diff line number Diff line
@@ -457,7 +457,7 @@ static inline u8 get_vbus_power(struct device *dev) 
}



static const struct musb_platform_ops da8xx_ops = {

	.quirks		= MUSB_INDEXED_EP,

	.quirks		= MUSB_INDEXED_EP | MUSB_PRESERVE_SESSION,

	.init		= da8xx_musb_init,

	.exit		= da8xx_musb_exit,