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path: root/drivers/usb/musb/musb_dsps.c
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Diffstat (limited to 'drivers/usb/musb/musb_dsps.c')
-rw-r--r--drivers/usb/musb/musb_dsps.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index a0cfead..84512d1 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -225,8 +225,11 @@ static void dsps_musb_enable(struct musb *musb)
dsps_writel(reg_base, wrp->epintr_set, epmask);
dsps_writel(reg_base, wrp->coreintr_set, coremask);
- /* start polling for ID change. */
- mod_timer(&glue->timer, jiffies + msecs_to_jiffies(wrp->poll_timeout));
+ /* start polling for ID change in dual-role idle mode */
+ if (musb->xceiv->otg->state == OTG_STATE_B_IDLE &&
+ musb->port_mode == MUSB_PORT_MODE_DUAL_ROLE)
+ mod_timer(&glue->timer, jiffies +
+ msecs_to_jiffies(wrp->poll_timeout));
dsps_musb_try_idle(musb, 0);
}
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