musb_hdrc: Allow suspend if host is already suspended

Allow suspend if host is already suspended

Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 091ae8f548ac7fe63a9813280c886728b1027560..4eeff91b9268634b77edcf4ce98011574e61097e 100644 (file)
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2128,6 +2128,9 @@ static int musb_bus_suspend(struct usb_hcd *hcd)
 {
        struct musb     *musb = hcd_to_musb(hcd);
 
+       if (musb->xceiv.state == OTG_STATE_A_SUSPEND)
+               return 0;
+
        if (is_host_active(musb) && musb->is_active) {
                WARN("trying to suspend as %s is_active=%i\n",
                        otg_state_string(musb), musb->is_active);